MX240 3D Universal Edge Router
Hardware Guide
Published: 2013-08-29
Copyright © 2013, Juniper Networks, Inc.
Juniper Networks, Inc.
1194 North Mathilda Avenue
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
This product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. Copyright © 1986-1997,
Epilogue Technology Corporation. All rights reserved. This program and its documentation were developed at private expense, and no part
of them is in the public domain.
This product includes memory allocation software developed by Mark Moraes, copyright © 1988, 1989, 1993, University of Toronto.
This product includes FreeBSD software developed by the University of California, Berkeley, and its contributors. All of the documentation
and software included in the 4.4BSD and 4.4BSD-Lite Releases is copyrighted by the Regents of the University of California. Copyright ©
1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994. The Regents of the University of California. All rights reserved.
GateD software copyright © 1995, the Regents of the University. All rights reserved. Gate Daemon was originated and developed through
release 3.0 by Cornell University and its collaborators. Gated is based on Kirton’s EGP, UC Berkeley’s routing daemon (routed), and DCN’s
HELLO routing protocol. Development of Gated has been supported in part by the National Science Foundation. Portions of the GateD
software copyright © 1988, Regents of the University of California. All rights reserved. Portions of the GateD software copyright © 1991, D.
L. S. Associates.
This product includes software developed by Maker Communications, Inc., copyright © 1996, 1997, Maker Communications, Inc.
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
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owned by or licensed to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312,
6,429,706, 6,459,579, 6,493,347, 6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.
MX240 3D Universal Edge Router Hardware Guide
Copyright © 2013, Juniper Networks, Inc.
All rights reserved.
Revision History
August 2013—Added new topics for CLI hardware terminology and port and interface numbering.
September 2011—Added the upgrade procedure for the Enhanced MX SCB and information for the new SCB
July 2011—Added updated power specifications.
April 2011—Added high-capacity installation information.
March 2011—Updated Routing Engine content.
December 2010—Added RE-S-1800 content.
August 2010—Updated site electrical guidelines.
April 2010—Added installation and removal instructions for dual-wide MICs.
January 2010—Added support for Modular Port Concentrators and Modular Interface Cards.
July 2009—Updated information about LEDs. Updated product names. Updated information about securing the power cable lug.
10 April 2009—530-022140-01. Revision 5. Added information about MX series FPC2. Added warning about removing transceivers.
6 February 2009—530-022140-01. Revision 4. Added information about MX series FPCs and PICs. Revised sections into modular topics for
easier customer access.
18 July 2008—530-022140-01. Revision 3. Corrected the examples for calculating maximum power consumption for AC-powered routers.
29 February 2008—530-022140-01. Revision 2.
1 February 2008—530-022140-01. Revision 1.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Copyright © 2013, Juniper Networks, Inc.ii
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the
year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
iiiCopyright © 2013, Juniper Networks, Inc.
Copyright © 2013, Juniper Networks, Inc.iv
Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
JUNOS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Part 1 MX240 3D Universal Edge Router Overview
Chapter 1 MX240 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
MX240 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
MX240 Router Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . . 4
MX240 Component Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2 MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MX240 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MX240 Midplane Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
MX240 Dense Port Concentrator (DPC) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 10
MX240 Dense Port Concentrator (DPC) Description . . . . . . . . . . . . . . . . . . . 10
DPC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MX240 Dense Port Concentrator (DPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 12
MX240 DPC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
MX240 Flexible PIC Concentrator (FPC) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 15
MX240 Flexible PIC Concentrator (FPC) Description . . . . . . . . . . . . . . . . . . . 15
FPC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
MX240 Flexible PIC Concentrator (FPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 16
FPCs Supported by the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MX240 PIC Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MX240 PIC Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MX240 PIC LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
MX240 PIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
MX240 Modular Port Concentrator (MPC) Overview . . . . . . . . . . . . . . . . . . . . . . . 20
MX240 Modular Port Concentrator (MPC) Description . . . . . . . . . . . . . . . . . 20
MPC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
MX240 Modular Port Concentrator (MPC) LEDs . . . . . . . . . . . . . . . . . . . . . . . 22
MX240 Modular Interface Card (MIC) Description . . . . . . . . . . . . . . . . . . . . . . . . . 22
MX240 Modular Interface Card (MIC) Description . . . . . . . . . . . . . . . . . . . . . 22
MX240 Modular Interface Card (MIC) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 23
MX240 MIC Port and Interface Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
vCopyright © 2013, Juniper Networks, Inc.
MX240 Host Subsystem Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MX240 Host Subsystem Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MX240 Host Subsystem LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
MX240 Switch Control Board (SCB) Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
MX240 Switch Control Board (SCB) Description . . . . . . . . . . . . . . . . . . . . . . 27
SCB Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
SCB Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
SCB Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
MX240 SCB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
MX240 Enhanced Switch Control Board Description . . . . . . . . . . . . . . . . . . . 29
MX SCBE Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
MX SCBE Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
MX SCBE Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
MX240 Enhanced Switch Control Board LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 31
MX240 Routing Engine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
MX240 Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Routing Engine Interface Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
RE-S-1800 Routing Engine Description for MX Series . . . . . . . . . . . . . . . . . . 34
RE-S-1800 Routing Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . 35
RE-S-1800 Routing Engine Boot Sequence . . . . . . . . . . . . . . . . . . . . . . . 36
MX240 Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
RE-S-1800 Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
MX240 Craft Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
MX240 Craft Interface Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
MX240 Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . . . 38
MX240 Component LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . 39
Host Subsystem LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . 39
Power Supply LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . 40
DPC and MPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . 40
FPC LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . 40
SCB LEDs on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Fan LED on the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
MX240 Alarm Relay Contacts on the Craft Interface . . . . . . . . . . . . . . . . . . . . 41
MX240 Power Supplies Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
MX240 Power System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
MX240 AC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
AC Power Supply Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
MX240 AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
MX240 DC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
DC Power Supply Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
MX240 DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
MX240 Cooling System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
MX240 Cooling System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
MX240 Fan LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Copyright © 2013, Juniper Networks, Inc.vi
MX240 3D Universal Edge Router Hardware Guide
Part 2 Setting Up the MX240 Router
Chapter 3 MX240 Router Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Installing an MX240 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 4 Preparing the Site for MX240 Router Installation . . . . . . . . . . . . . . . . . . . . . . 55
MX240 Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
MX240 Router Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
MX240 Router Clearance Requirements for Airflow and Hardware
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
MX240 Router Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
MX240 Router Cabinet Size and Clearance Requirements . . . . . . . . . . . . . . . 59
MX240 Router Cabinet Airflow Requirements . . . . . . . . . . . . . . . . . . . . . . . . 60
Chapter 5 Unpacking the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Tools and Parts Required to Unpack the MX240 Router . . . . . . . . . . . . . . . . . . . . . 61
Unpacking the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Verifying the MX240 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Chapter 6 Installing the MX240 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . 65
Installing the MX240 Router Mounting Hardware for a Rack or Cabinet . . . . . . . . 65
Moving the Mounting Brackets for Center-Mounting the MX240 Router . . . . . . . . 67
Chapter 7 Installing the MX240 Router with a Mechanical Lift . . . . . . . . . . . . . . . . . . . 69
Tools Required to Install the MX240 Router with a Mechanical Lift . . . . . . . . . . . 69
Removing Components from the MX240 Router Before Installing It With a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Removing the Power Supplies Before Installing the MX240 Router With a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Removing the Fan Tray Before Installing the MX240 Router With a Lift . . . . . 70
Removing the SCBs Before Installing the MX240 Router With a Lift . . . . . . . . 71
Removing the DPCs Before Installing the MX240 Router With a Lift . . . . . . . 72
Removing the FPC Before Installing the MX240 Router With a Lift . . . . . . . . 73
Installing the MX240 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . . . . 74
Reinstalling Components in the MX240 Router After Installing it With a Lift . . . . 76
Reinstalling the Power Supplies After Installing the MX240 Router With a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Reinstalling the Fan Tray After Installing the MX240 Router With a Lift . . . . . 77
Reinstalling the SCBs After Installing the MX240 Router With a Lift . . . . . . . 77
Reinstalling the DPCs After Installing the MX240 Router With a Lift . . . . . . . 78
Reinstalling the FPCs After Installing the MX240 Router With a Lift . . . . . . . 79
Chapter 8 Installing the MX240 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . 81
Tools Required to Install the MX240 Router Without a Mechanical Lift . . . . . . . . 81
Removing Components from the MX240 Router Before Installing It Without a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Removing the Power Supplies Before Installing the MX240 Router Without
a Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Removing the Fan Tray Before Installing the MX240 Router Without a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Removing the SCBs Before Installing the MX240 Router Without a Lift . . . . 83
viiCopyright © 2013, Juniper Networks, Inc.
Table of Contents
Removing the DPCs Before Installing the MX240 Router Without a Lift . . . . 84
Removing the FPC Before Installing the MX240 Router Without a Lift . . . . . 85
Installing the MX240 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . . . . . . 86
Reinstalling Components in the MX240 Router After Installing It Without a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Reinstalling the Power Supplies After Installing the MX240 Router Without
a Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Reinstalling the Fan Tray After Installing the MX240 Router Without a
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Reinstalling the SCBs After Installing the MX240 Router Without a Lift . . . . 90
Reinstalling the DPCs After Installing the MX240 Router Without a Lift . . . . 90
Reinstalling the FPCs After Installing the MX240 Router Without a Lift . . . . . 91
Chapter 9 Connecting the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Tools and Parts Required for MX240 Router Connections . . . . . . . . . . . . . . . . . . . 93
Connecting the MX240 Router to Management and Alarm Devices . . . . . . . . . . . 93
Connecting the MX240 Router to a Network for Out-of-Band
Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Connecting the MX240 Router to a Management Console or Auxiliary
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Connecting the MX240 Router to an External Alarm-Reporting Device . . . . 95
Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router . . . . . . . . . . . . . 96
Chapter 10 Grounding and Providing Power to the MX240 Router . . . . . . . . . . . . . . . . . 99
Tools and Parts Required for MX240 Router Grounding and Power
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Grounding the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Connecting Power to an AC-Powered MX240 Router with Normal-Capacity
Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Installing the MX240 AC High-Capacity Power Supplies . . . . . . . . . . . . . . . . . . . 102
Powering On an AC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Installing an MX240 DC High-Capacity Power Supply . . . . . . . . . . . . . . . . . . . . . 107
Powering On a DC-Powered MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Powering Off the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Chapter 11 Configuring Junos OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Initially Configuring the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Copyright © 2013, Juniper Networks, Inc.viii
MX240 3D Universal Edge Router Hardware Guide
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 12 Maintaining MX240 Router Hardware Components . . . . . . . . . . . . . . . . . . . 117
Tools and Parts Required to Maintain the MX240 Router . . . . . . . . . . . . . . . . . . . 117
Routine Maintenance Procedures for the MX240 Router . . . . . . . . . . . . . . . . . . . . 117
Maintaining the MX240 Cooling System Components . . . . . . . . . . . . . . . . . . . . . 118
Maintaining the MX240 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Maintaining the MX240 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Maintaining the MX240 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Maintaining MX240 Packet Forwarding Engine Components . . . . . . . . . . . . . . . . 122
Maintaining MX240 DPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Maintaining MX240 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Maintaining MX240 PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Maintaining MX240 MPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Maintaining MX240 MICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Maintaining Cables that Connect to MX240 DPCs, MPCs, MICs, or PICs . . . 128
Holding and Storing MX Series DPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
MX240 DPC Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Holding an MX240 DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Storing an MX240 DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Holding and Storing MX Series FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
MX240 FPC Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Holding an MX240 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Storing an MX240 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Maintaining the MX240 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Chapter 13 Troubleshooting MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . 141
Troubleshooting Resources for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Command-Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Chassis and Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Craft Interface LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Component LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Juniper Networks Technical Assistance Center . . . . . . . . . . . . . . . . . . . . . . . 143
Troubleshooting the MX240 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Troubleshooting the MX240 DPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Troubleshooting the MX240 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Troubleshooting the MX240 PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Troubleshooting the MX240 MPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Troubleshooting the MX240 MICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Troubleshooting the MX240 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
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Chapter 14 Replacing MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
MX240 Field-Replaceable Units (FRUs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Tools and Parts Required to Replace MX240 Hardware Components . . . . . . . . . 152
Replacing the MX240 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Removing the MX240 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Installing the MX240 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Replacing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Disconnecting the Alarm Relay Wires from the MX240 Craft Interface . . . . 156
Removing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Installing the MX240 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Connecting the Alarm Relay Wires to the MX240 Craft Interface . . . . . . . . . 158
Replacing the MX240 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Removing the MX240 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Installing the MX240 Normal-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . 160
Installing the MX240 High-Capacity Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Replacing MX240 Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . . . 161
Effect of Taking the MX240 Host Subsystem Offline . . . . . . . . . . . . . . . . . . . 161
Taking an MX240 Host Subsystem Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Operating and Positioning the MX240 SCB Ejectors . . . . . . . . . . . . . . . . . . . 164
Replacing an MX240 SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Removing an MX240 SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Installing an MX240 SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Upgrading an MX240 SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Replacing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Removing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Installing an MX240 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Replacing an SSD Drive on an RE-A-1800 or RE-S-1800 . . . . . . . . . . . . . . . 177
Replacing Connections to MX240 Routing Engine Interface Ports . . . . . . . . 178
Replacing the Management Ethernet Cable on an MX240 Router . . . . 178
Replacing the Console or Auxiliary Cable on an MX240 Router . . . . . . . 179
Replacing an MX240 DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Removing an MX240 DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Installing an MX240 DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Replacing an MX240 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Removing an MX240 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Installing an MX240 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Replacing an MX240 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Removing an MX240 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Installing an MX240 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Replacing an MX240 MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Removing an MX240 MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Installing an MX240 MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Replacing an MX240 MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Removing an MX240 MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Installing an MX240 MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Installing an MX240 Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Replacing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . . . . 203
Removing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . 203
Installing a Cable on an MX240 DPC, MPC, MIC, or PIC . . . . . . . . . . . . . . . . 204
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Replacing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or PIC . . 206
Removing an SFP or XFP Transceiver from an MX240 DPC, MPC, MIC, or
PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Installing an SFP or XFP Transceiver into an MX240 DPC, MPC, MIC, or
PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Replacing MX240 Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Replacing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . . . . 208
Removing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . 208
Installing an MX240 AC Normal-Capacity Power Supply . . . . . . . . . . . 209
Replacing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . . . . 210
Removing an MX240 DC Normal-Capacity Power Supply . . . . . . . . . . . 210
Installing an MX240 DC Normal Capacity Power Supply . . . . . . . . . . . . 212
Replacing an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . . . . . . 214
Disconnecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . 215
Connecting an MX240 AC Power Supply Cord . . . . . . . . . . . . . . . . . . . . 215
Replacing an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . 215
Disconnecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . 216
Connecting an MX240 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . 216
Part 4 Appendixes
Appendix A Safety and Regulatory Compliance Information for the MX240 Router . . 221
Definition of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Safety Guidelines and Warnings for the MX240 Router . . . . . . . . . . . . . . . . . . . . 223
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . 223
General Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . 224
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Restricted Access Area Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Preventing Electrostatic Discharge Damage to an MX240 Router . . . . . . . . 226
Fire Safety Requirements for Juniper Networks Devices . . . . . . . . . . . . . . . . 227
General Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Fire Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Fire Suppression Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Installation Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . 228
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . 229
Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
MX240 Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
General Laser Safety Guidelines for Juniper Networks Devices . . . . . . . . . . 234
Laser Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . 234
Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . 236
Maintenance and Operational Safety Warnings for Juniper Networks
Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
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Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Electrical Safety Guidelines and Warnings for the MX240 Router . . . . . . . . 242
General Electrical Safety Warnings for Juniper Networks Devices . . . . . 242
In Case of an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
General Electrical Safety Guidelines and Electrical Codes for Juniper
Networks Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
OBSOLETE TN Power Warning for M Series, MX Series, and T Series
Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
MX240 AC Power Electrical Safety Guidelines and Warnings . . . . . . . . 247
MX240 DC Power Electrical Safety Guidelines and Warnings . . . . . . . . 248
Agency Approvals and Compliance Statements for the MX240 Router . . . . . . . 252
Agency Approvals for MX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
MX240 Compliance Statements for NEBS . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Compliance Statements for EMC Requirements for the MX240 Router . . . 254
Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
European Community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Compliance Statements for Environmental Requirements for Juniper
Networks Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Compliance Statements for Acoustic Noise for the MX240 Router . . . . . . . 256
Appendix B MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Appendix C MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 259
MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Appendix D Power Guidelines, Requirements, and Specifications for the MX240
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Calculating Power Requirements for MX240 Routers . . . . . . . . . . . . . . . . . . . . . . 261
Power Requirements for an MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
MX240 Chassis Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
MX240 Chassis Grounding Points Specifications . . . . . . . . . . . . . . . . . . . . . 270
MX240 Router Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . 271
MX240 Router Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . 271
MX240 Router AC Power Specifications and Requirements . . . . . . . . . . . . . . . . 272
AC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . 272
AC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . 273
AC Power Cord Specifications for the MX240 Router . . . . . . . . . . . . . . . . . . 273
MX240 Router DC Power Specifications and Requirements . . . . . . . . . . . . . . . . 276
DC Power Supply Electrical Specifications for the MX240 Router . . . . . . . . 276
DC Power Circuit Breaker Requirements for the MX240 Router . . . . . . . . . . 277
DC Power Source Cabling and Cable Specifications for the MX240
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
DC Power Source Cabling for the MX240 Router . . . . . . . . . . . . . . . . . . 278
DC Power Cable Specifications for the MX240 Router . . . . . . . . . . . . . 279
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Site Electrical Wiring Guidelines for MX Series Routers . . . . . . . . . . . . . . . . . . . . 280
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Radio Frequency Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Appendix E Cable and Wire Guidelines and Specifications for the MX240 Router . . . 283
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . 283
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . 283
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 283
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . 284
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 284
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 285
Routing Engine Interface Cable and Wire Specifications for MX Series
Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Appendix F MX240 Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
RJ-45 Connector Pinouts for an MX Series Routing Engine ETHERNET Port . . . 289
RJ-45 Connector Pinouts for MX Series Routing Engine AUX and CONSOLE
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Appendix G Contacting Customer Support and Returning MX240 Hardware . . . . . . . . 291
Locating MX240 Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Displaying MX240 Router Components and Serial Numbers . . . . . . . . . . . . 291
MX240 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
MX240 SCB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
MX240 DPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
MX240 FPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
MX240 PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
MX240 MPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
MX240 MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
MX240 Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 300
MX240 Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 301
Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . 302
Packing the MX240 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Guidelines for Packing Router Components for Shipment . . . . . . . . . . . . . . . . . 305
Part 5 Index
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
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MX240 3D Universal Edge Router Hardware Guide
List of Figures
Part 1 MX240 3D Universal Edge Router Overview
Chapter 2 MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 1: Front View of a Fully Configured Routers Chassis . . . . . . . . . . . . . . . . . . . . 8
Figure 2: Rear View of a Fully Configured AC-Powered Routers Chassis
(110 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 3: Rear View of a Fully Configured AC-Powered Routers Chassis
(220 V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4: Rear View of a Fully Configured DC-Powered Routers Chassis . . . . . . . . . 9
Figure 5: Midplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6: Typical DPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . . . 11
Figure 7: DPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . . . 12
Figure 8: MX240 DPC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 9: Typical FPCs Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . . 15
Figure 10: FPC Installed in the MX240 Router Chassis . . . . . . . . . . . . . . . . . . . . . . 16
Figure 11: MX240 PIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 12: Typical MPC Supported on the MX240 Router . . . . . . . . . . . . . . . . . . . . 21
Figure 13: MPC Installed Horizontally in the MX240 Router . . . . . . . . . . . . . . . . . . . 21
Figure 14: MX240 MIC Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 15: SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 16: MX SCBE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 17: Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 18: RE-S-1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 19: RE-S-1800 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 20: Routing Engine–RE-S-1800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 21: Front Panel of the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 22: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 23: AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 24: High-Capacity AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 25: DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 26: High-Capacity DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 27: Airflow Through Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 28: Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 29: Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Part 2 Setting Up the MX240 Router
Chapter 4 Preparing the Site for MX240 Router Installation . . . . . . . . . . . . . . . . . . . . . . 55
Figure 30: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 31: Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . . . . . 59
Figure 32: Airflow Through Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
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Chapter 5 Unpacking the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 33: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Chapter 6 Installing the MX240 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . 65
Figure 34: Installing the Front Mounting Hardware for a Four-Post Rack or
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure 35: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . . 67
Chapter 7 Installing the MX240 Router with a Mechanical Lift . . . . . . . . . . . . . . . . . . . 69
Figure 36: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 70
Figure 37: Removing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 38: Removing an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 39: Removing a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 40: Removing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 41: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 42: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 43: Reinstalling a Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 44: Reinstalling an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Figure 45: Reinstalling a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Figure 46: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Chapter 8 Installing the MX240 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . 81
Figure 47: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . . 82
Figure 48: Removing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 49: Removing an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure 50: Removing a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Figure 51: Removing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Figure 52: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 53: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure 54: Reinstalling a Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure 55: Reinstalling an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 56: Reinstalling a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 57: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Chapter 9 Connecting the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 58: Ethernet Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Figure 59: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 94
Figure 60: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 61: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . . 95
Figure 62: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 63: Attaching a Cable to a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 64: Attaching a Cable to a MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 10 Grounding and Providing Power to the MX240 Router . . . . . . . . . . . . . . . . . 99
Figure 65: Connecting AC Power to the Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 66: Installing a High-Capacity AC Power Supply . . . . . . . . . . . . . . . . . . . . 103
Figure 67: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 68: DC High-Capacity Power Supply Input Mode Switch . . . . . . . . . . . . . 107
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MX240 3D Universal Edge Router Hardware Guide
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 12 Maintaining MX240 Router Hardware Components . . . . . . . . . . . . . . . . . . . 117
Figure 69: DPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Figure 70: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 71: Do Not Rest the DPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 72: FPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Figure 73: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 74: Do Not Carry an FPC with Only One Hand . . . . . . . . . . . . . . . . . . . . . . 136
Figure 75: Do Not Rest the FPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Figure 76: Holding an FPC Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure 77: Do Not Stack FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Chapter 14 Replacing MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 78: Removing the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 79: Installing the Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 80: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 81: Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 82: Installing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 83: Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 84: Removing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 85: Installing the Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 86: Reinstalling a Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 87: Removing an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 88: Installing an SCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 89: Removing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 90: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Figure 91: RE-A-1800 Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 92: RE-S-1800 Storage Drive Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 93: Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 94: Ethernet Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 95: Auxiliary and Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Figure 96: Removing a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Figure 97: Installing a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Figure 98: Attaching a Cable to a DPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Figure 99: Removing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Figure 100: Installing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Figure 101: Removing a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 102: Installing a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Figure 103: Removing an MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Figure 104: Installing an MPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Figure 105: Removing a MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Figure 106: Removing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Figure 107: Installing the Septum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Figure 108: Installing a MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Figure 109: Removing the Septum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Figure 110: Installing a Dual-Wide MIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Figure 111: Removing SFPs or XFPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Figure 112: Removing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
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List of Figures
Figure 113: Installing an AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Figure 114: Removing a DC Power Supply from the Router . . . . . . . . . . . . . . . . . . . 211
Figure 115: Installing a DC Power Supply in the Router . . . . . . . . . . . . . . . . . . . . . 214
Figure 116: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 117: Connecting Power Cables to the DC Power Supply . . . . . . . . . . . . . . . 217
Part 4 Appendixes
Appendix A Safety and Regulatory Compliance Information for the MX240 Router . . 221
Figure 118: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . 227
Figure 119: MX240 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Appendix D Power Guidelines, Requirements, and Specifications for the MX240
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Figure 120: Connecting AC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Figure 121: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Figure 122: Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Figure 123: AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Figure 124: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . 278
Figure 125: DC Power Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Appendix G Contacting Customer Support and Returning MX240 Hardware . . . . . . . . 291
Figure 126: Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Figure 127: MX240 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 293
Figure 128: SCB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Figure 129: DPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Figure 130: FPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Figure 131: PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Figure 132: MPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
Figure 133: 2-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Figure 134: 4-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Figure 135: 20-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Figure 136: 40-Port MIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Figure 137: AC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 300
Figure 138: DC Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 301
Figure 139: Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . 301
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MX240 3D Universal Edge Router Hardware Guide
List of Tables
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii
Part 1 MX240 3D Universal Edge Router Overview
Chapter 1 MX240 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: MX240 Router Hardware Components and CLI Terminology . . . . . . . . . . 4
Chapter 2 MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 4: FPCs Supported by MX240 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 5: SCB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 6: Enhanced MX SCB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 7: Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 8: Routing Engine LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 9: Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . . . . . . 39
Table 10: Host Subsystem LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . 39
Table 11: Power Supply LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 12: DPC and MPC LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . 40
Table 13: FPC LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 14: SCB LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 15: Fan LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 16: AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Table 17: DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Part 2 Setting Up the MX240 Router
Chapter 4 Preparing the Site for MX240 Router Installation . . . . . . . . . . . . . . . . . . . . . . 55
Table 18: Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Table 19: Rack Requirements and Specifications for an MX240 Router . . . . . . . . 56
Chapter 5 Unpacking the MX240 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Table 20: Parts List for a Fully Configured Routers . . . . . . . . . . . . . . . . . . . . . . . . . 63
Table 21: Accessory Box Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Chapter 6 Installing the MX240 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . 65
Table 22: Four-Post Rack or Cabinet Mounting Hole Locations . . . . . . . . . . . . . . . 65
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 14 Replacing MX240 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
xixCopyright © 2013, Juniper Networks, Inc.
Table 23: Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Table 24: Tools and Parts Required to Replace Hardware Components . . . . . . . 153
Table 25: Effect of Taking the Host Subsystem Offline . . . . . . . . . . . . . . . . . . . . . 162
Part 4 Appendixes
Appendix B MX240 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Table 26: Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Appendix C MX240 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 259
Table 27: Routers Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 259
Appendix D Power Guidelines, Requirements, and Specifications for the MX240
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Table 28: Sample Power Requirements for an MX240 Router . . . . . . . . . . . . . . . 262
Table 29: Calculating Power Budget . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Table 30: Calculating Input Power Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Table 31: Calculating Thermal Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Table 32: MX240 Common Component Power Requirements . . . . . . . . . . . . . . 264
Table 33: FRU Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Table 34: AC Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . 272
Table 35: AC Power System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Table 36: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Table 37: Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 276
Table 38: Power System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Appendix E Cable and Wire Guidelines and Specifications for the MX240 Router . . . 283
Table 39: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . 285
Table 40: Cable and Wire Specifications for Routing Engine Management and
Alarm Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Appendix F MX240 Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Table 41: RJ-45 Connector Pinout for the Routing Engine ETHERNET Port . . . . 289
Table 42: RJ-45 Connector Pinout for the AUX and CONSOLE Ports . . . . . . . . . 290
Copyright © 2013, Juniper Networks, Inc.xx
MX240 3D Universal Edge Router Hardware Guide
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