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Raritan EMX
User Guide
Xerus
â„¢
Firmware v3.6.0
Copyright © 2020 Raritan, Inc.
EMX-1D-v3.6.0-E
March 2020
255-80-6107-00
This document contains proprietary information that is protected by copyright. All rights reserved. No part of
this document may be photocopied, reproduced, or translated into another language without express prior
written consent of Raritan, Inc.
© Copyright 2020 Raritan, Inc. All third-party software and hardware mentioned in this document are
registered trademarks or trademarks of and are the property of their respective holders.
FCC Information
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a commercial installation. This equipment generates, uses, and can radiate radio frequency
energy and if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. Operation of this equipment in a residential environment may cause harmful
interference.
VCCI Information (Japan)
Raritan is not responsible for damage to this product resulting from accident, disaster, misuse, abuse,
non-Raritan modification of the product, or other events outside of Raritan's reasonable control or not arising
under normal operating conditions.
If a power cable is included with this product, it must be used exclusively for this product.
iii
Contents
What's New in the EMX User Guide xi
Chapter 1 Introduction 1
Overview ...................................................................................................................................................... 1
Product Models ............................................................................................................................................ 2
EMX2-111 .......................................................................................................................................... 2
EMX2-888 .......................................................................................................................................... 2
Package Contents ......................................................................................................................................... 3
APIPA and Link-Local Addressing.................................................................................................................. 4
Before You Begin .......................................................................................................................................... 5
Chapter 2 Rack Mounting an EMX 6
Mounting a Zero U EMX ............................................................................................................................... 6
Mounting a 1U EMX ..................................................................................................................................... 7
Chapter 3 Initial Installation and Configuration 9
Connecting the EMX to a Power Source ....................................................................................................... 9
Connecting the EMX to Your Network ....................................................................................................... 10
USB Wireless LAN Adapters ............................................................................................................ 11
Supported Wireless LAN Configuration .......................................................................................... 11
Configuring the EMX................................................................................................................................... 12
Connecting a Mobile Device to EMX ............................................................................................... 13
Connecting the EMX to a Computer ............................................................................................... 18
Bulk Configuration Methods ...................................................................................................................... 19
Cascading Multiple EMX Devices for Sharing Ethernet Connectivity ......................................................... 20
Cascading Guidelines for Port Forwarding ...................................................................................... 22
Cascading All Devices via USB ......................................................................................................... 22
Chapter 4 Connecting External Equipment (Optional) 25
Connecting Asset Management Strips ....................................................................................................... 25
Combining Regular Asset Strips ...................................................................................................... 26
Introduction to Asset Tags .............................................................................................................. 28
Connecting Regular Asset Strips to EMX ......................................................................................... 28
Connecting Blade Extension Strips .................................................................................................. 32
Connecting Composite Asset Strips (AMS-Mx-Z) ............................................................................ 34
Connecting Raritan Environmental Sensor Packages ................................................................................. 39
Identifying the Sensor Port ............................................................................................................. 40
Contents
iv
DX2 Sensor Packages....................................................................................................................... 40
DX Sensor Packages......................................................................................................................... 42
DPX3 Sensor Packages .................................................................................................................... 43
DPX2 Sensor Packages .................................................................................................................... 45
DPX Sensor Packages ...................................................................................................................... 48
Using an Optional DPX3-ENVHUB4 Sensor Hub .............................................................................. 54
Mixing Diverse Sensor Types ........................................................................................................... 55
Connecting a Logitech Webcam ................................................................................................................. 61
Connecting a GSM Modem ........................................................................................................................ 62
Connecting an Analog Modem ................................................................................................................... 62
Connecting an External Beeper .................................................................................................................. 63
Connecting a Schroff LHX/SHX Heat Exchanger ......................................................................................... 63
Connecting the Schneider Electric PowerLogic PM710 .............................................................................. 64
Connecting a Modbus RTU Device or Bus .................................................................................................. 65
Chapter 5 Using the EMX 66
Power Switch .............................................................................................................................................. 66
Connection Ports ........................................................................................................................................ 66
LCD Display Panel ....................................................................................................................................... 69
Overview of the LCD Display ........................................................................................................... 69
Control Buttons ............................................................................................................................... 70
Operating the LCD Display .............................................................................................................. 71
EMX2-888 Contact Closure Sensor Termination ........................................................................................ 79
Connecting Contact Closure Sensors to EMX2-888 ......................................................................... 80
EMX2-888 Contact Closure Sensor LEDs ......................................................................................... 84
Reset Button ............................................................................................................................................... 85
Beeper ........................................................................................................................................................ 85
Chapter 6 Using the Web Interface 86
Supported Web Browsers .......................................................................................................................... 86
Login, Logout and Password Change .......................................................................................................... 86
Login ................................................................................................................................................ 86
Changing Your Password ................................................................................................................. 89
Remembering User Names and Passwords .................................................................................... 90
Logout ............................................................................................................................................. 90
Web Interface Overview ............................................................................................................................ 91
Menu ............................................................................................................................................... 93
Quick Access to a Specific Page ....................................................................................................... 95
Sorting a List .................................................................................................................................... 96
Dashboard .................................................................................................................................................. 97
Dashboard - Alerted Sensors ........................................................................................................... 98
Dashboard - Alarms ......................................................................................................................... 99
EMX .......................................................................................................................................................... 100
Internal Beeper State .................................................................................................................... 101
Peripherals ............................................................................................................................................... 101
Yellow- or Red-Highlighted Sensors .............................................................................................. 108
Contents
v
Managed vs Unmanaged Sensors/Actuators ................................................................................ 109
Sensor/Actuator States ................................................................................................................. 110
Finding the Sensor's Serial Number .............................................................................................. 112
Identifying the Sensor Position and Channel ................................................................................ 113
How the Automatic Management Function Works ...................................................................... 114
Managing One Sensor or Actuator ................................................................................................ 115
Individual Sensor/Actuator Pages ................................................................................................. 117
Z Coordinate Format ..................................................................................................................... 122
Feature Port(s).......................................................................................................................................... 123
Asset Strip ..................................................................................................................................... 125
External Beeper ............................................................................................................................. 134
Schroff LHX/SHX ............................................................................................................................ 134
Auxiliary Port(s) ........................................................................................................................................ 139
Schneider Electric PowerLogic PM710 .......................................................................................... 142
Switching among Diverse Device Pages of EMX2-888 .................................................................. 144
User Management .................................................................................................................................... 146
Creating Users ............................................................................................................................... 147
Editing or Deleting Users ............................................................................................................... 150
Creating Roles ............................................................................................................................... 152
Editing or Deleting Roles ............................................................................................................... 154
Setting Your Preferred Measurement Units ................................................................................. 155
Setting Default Measurement Units ............................................................................................. 156
Device Settings ......................................................................................................................................... 157
Configuring Network Settings ....................................................................................................... 158
Configuring Network Services ....................................................................................................... 181
Configuring Security Settings ........................................................................................................ 192
Setting the Date and Time ............................................................................................................ 216
Event Rules and Actions ................................................................................................................ 220
Setting Data Logging ..................................................................................................................... 272
Configuring Data Push Settings ..................................................................................................... 274
Monitoring Server Accessibility ..................................................................................................... 281
Configuring the Serial Port ............................................................................................................ 285
Lua Scripts ..................................................................................................................................... 287
Miscellaneous ............................................................................................................................... 292
Maintenance ............................................................................................................................................ 293
Device Information........................................................................................................................ 295
Viewing Connected Users ............................................................................................................. 300
Viewing or Clearing the Local Event Log ....................................................................................... 302
Updating the EMX Firmware ......................................................................................................... 303
Viewing Firmware Update History ................................................................................................ 306
Bulk Configuration ......................................................................................................................... 307
Backup and Restore of Device Settings ......................................................................................... 312
Network Diagnostics ..................................................................................................................... 314
Downloading Diagnostic Information ........................................................................................... 315
Hardware Issue Detection ............................................................................................................. 315
Rebooting the EMX ....................................................................................................................... 316
Resetting All Settings to Factory Defaults ..................................................................................... 317
Retrieving Software Packages Information ................................................................................... 318
Contents
vi
Webcam Management ............................................................................................................................. 318
Configuring Webcams and Viewing Live Images ........................................................................... 320
Sending Links to Snapshots or Videos ........................................................................................... 323
Viewing and Managing Locally-Saved Snapshots .......................................................................... 325
Changing Storage Settings............................................................................................................. 327
Chapter 7 Using SNMP 331
Enabling and Configuring SNMP ............................................................................................................... 331
SNMPv2c Notifications .................................................................................................................. 332
SNMPv3 Notifications ................................................................................................................... 333
Downloading SNMP MIB .......................................................................................................................... 336
SNMP Gets and Sets ................................................................................................................................. 337
The EMX MIB ................................................................................................................................. 337
A Note about Enabling Thresholds ................................................................................................ 339
Chapter 8 Using the Command Line Interface 340
About the Interface .................................................................................................................................. 340
Logging in to CLI ....................................................................................................................................... 341
With HyperTerminal ...................................................................................................................... 341
With SSH or Telnet ........................................................................................................................ 342
With an Analog Modem ................................................................................................................ 343
Different CLI Modes and Prompts ................................................................................................. 343
Closing a Local Connection ............................................................................................................ 344
The ? Command for Showing Available Commands ................................................................................. 344
Querying Available Parameters for a Command ...................................................................................... 345
Showing Information ................................................................................................................................ 346
Network Configuration.................................................................................................................. 346
Device Configuration ..................................................................................................................... 350
Date and Time Settings ................................................................................................................. 351
Default Measurement Units .......................................................................................................... 351
Environmental Sensor Information ............................................................................................... 352
Environmental Sensor Package Information ................................................................................. 353
Actuator Information .................................................................................................................... 354
Environmental Sensor Threshold Information .............................................................................. 355
Environmental Sensor Default Thresholds .................................................................................... 356
Security Settings ............................................................................................................................ 357
Authentication Settings ................................................................................................................. 358
Existing User Profiles ..................................................................................................................... 359
Existing Roles ................................................................................................................................. 360
Serial Port Settings ........................................................................................................................ 360
Asset Strip Settings ........................................................................................................................ 361
Rack Unit Settings of an Asset Strip .............................................................................................. 361
Blade Extension Strip Settings ....................................................................................................... 362
Event Log ....................................................................................................................................... 363
Network Connections Diagnostic Log ........................................................................................... 364
Server Reachability Information ................................................................................................... 364
Contents
vii
Command History ......................................................................................................................... 365
Reliability Data .............................................................................................................................. 366
Reliability Error Log ....................................................................................................................... 366
Examples ....................................................................................................................................... 366
Clearing Information ................................................................................................................................ 368
Clearing Event Log ......................................................................................................................... 369
Clearing Diagnostic Log for Network Connections ........................................................................ 369
Configuring the EMX Device and Network ............................................................................................... 369
Entering Configuration Mode ....................................................................................................... 369
Quitting Configuration Mode ........................................................................................................ 370
Device Configuration Commands .................................................................................................. 370
Network Configuration Commands .............................................................................................. 373
Time Configuration Commands .................................................................................................... 399
Checking the Accessibility of NTP Servers ..................................................................................... 404
Security Configuration Commands ............................................................................................... 404
User Configuration Commands ..................................................................................................... 423
Role Configuration Commands ..................................................................................................... 435
Authentication Commands ........................................................................................................... 438
Environmental Sensor Configuration Commands ......................................................................... 450
Configuring Environmental Sensors' Default Thresholds .............................................................. 454
Environmental Sensor Threshold Configuration Commands ........................................................ 456
Actuator Configuration Commands .............................................................................................. 459
Server Reachability Configuration Commands .............................................................................. 460
Asset Management Commands .................................................................................................... 463
Serial Port Configuration Commands ............................................................................................ 470
Multi-Command Syntax ................................................................................................................ 472
Actuator Control Operations .................................................................................................................... 473
Switching On an Actuator ............................................................................................................. 473
Switching Off an Actuator ............................................................................................................. 474
Example - Turning On a Specific Actuator ..................................................................................... 474
Unblocking a User .................................................................................................................................... 474
Resetting the EMX .................................................................................................................................... 475
Restarting the Device .................................................................................................................... 475
Resetting to Factory Defaults ........................................................................................................ 475
Network Troubleshooting ........................................................................................................................ 476
Entering Diagnostic Mode ............................................................................................................. 476
Quitting Diagnostic Mode ............................................................................................................. 476
Diagnostic Commands ................................................................................................................... 476
Contents
viii
Retrieving Previous Commands ............................................................................................................... 479
Automatically Completing a Command .................................................................................................... 479
Logging out of CLI ..................................................................................................................................... 480
Chapter 9 Using SCP Commands 481
Firmware Update via SCP ......................................................................................................................... 481
Bulk Configuration via SCP ....................................................................................................................... 482
Backup and Restore via SCP ..................................................................................................................... 483
Downloading Diagnostic Data via SCP ...................................................................................................... 484
Uploading or Downloading Raw Configuration Data ............................................................................... 486
Keys that Cannot Be Uploaded ..................................................................................................... 489
Appendix A Specifications 491
Maximum Ambient Operating Temperature ........................................................................................... 491
EMX2-111 Feature RJ-45 Port Pinouts ..................................................................................................... 491
EMX2-888 Feature RJ-45 Port Pinouts ..................................................................................................... 492
Sensor RJ-12 Port Pinouts ........................................................................................................................ 492
Serial RS-232 "DB9" Port Pinouts ............................................................................................................. 493
RS-485 Port Pinouts .................................................................................................................................. 493
Appendix B Configuration or Firmware Upgrade with a USB Drive 495
Device Configuration/Upgrade Procedure ............................................................................................... 495
System and USB Requirements ................................................................................................................ 496
Configuration Files .................................................................................................................................... 497
fwupdate.cfg ................................................................................................................................. 497
config.txt ....................................................................................................................................... 501
devices.csv .................................................................................................................................... 503
Data Encryption in 'config.txt' ....................................................................................................... 503
Firmware Upgrade via USB ....................................................................................................................... 505
Appendix C Bulk Configuration or Firmware Upgrade via DHCP/TFTP 507
Bulk Configuration/Upgrade Procedure ................................................................................................... 508
TFTP Requirements .................................................................................................................................. 509
DHCP IPv4 Configuration in Windows ...................................................................................................... 509
DHCP IPv6 Configuration in Windows ...................................................................................................... 519
DHCP IPv4 Configuration in Linux ............................................................................................................. 526
DHCP IPv6 Configuration in Linux ............................................................................................................. 528
Appendix D Raw Configuration Upload and Download 530
Downloading Raw Configuration .............................................................................................................. 530
Download via Web Browsers ........................................................................................................ 530
Contents
ix
Download via Curl ......................................................................................................................... 531
Uploading Raw Configuration .................................................................................................................. 532
Upload via Curl .............................................................................................................................. 533
Curl Upload Return Codes ............................................................................................................. 534
Appendix E Resetting to Factory Defaults 536
Using the Reset Button ............................................................................................................................. 536
Using the CLI Command ........................................................................................................................... 537
Appendix F LDAP Configuration Illustration 538
Step A. Determine User Accounts and Roles ............................................................................................ 538
Step B. Configure User Groups on the AD Server ..................................................................................... 539
Step C. Configure LDAP Authentication on the EMX ................................................................................ 541
Step D. Configure Roles on the EMX Device ............................................................................................. 544
Appendix G Updating the LDAP Schema 547
Returning User Group Information .......................................................................................................... 547
From LDAP/LDAPS ......................................................................................................................... 547
From Microsoft Active Directory ................................................................................................... 547
Setting the Registry to Permit Write Operations to the Schema ............................................................. 548
Creating a New Attribute ......................................................................................................................... 548
Adding Attributes to the Class .................................................................................................................. 549
Updating the Schema Cache .................................................................................................................... 551
Editing rciusergroup Attributes for User Members .................................................................................. 551
Appendix H RADIUS Configuration Illustration 554
Standard Attributes .................................................................................................................................. 554
NPS Standard Attribute Illustration............................................................................................... 554
FreeRADIUS Standard Attribute Illustration.................................................................................. 572
Vendor-Specific Attributes ....................................................................................................................... 573
NPS VSA Illustration ...................................................................................................................... 573
FreeRADIUS VSA Illustration ......................................................................................................... 585
AD-Related Configuration ........................................................................................................................ 586
Appendix I Additional EMX Information 590
Reserving IP Addresses in DHCP Servers .................................................................................................. 590
Reserving IP in Windows ............................................................................................................... 591
Reserving IP in Linux ...................................................................................................................... 592
Sensor Threshold Settings ........................................................................................................................ 594
Thresholds and Sensor States ....................................................................................................... 594
Contents
x
"To Assert" and Assertion Timeout ............................................................................................... 597
"To De-assert" and Deassertion Hysteresis ................................................................................... 599
Altitude Correction Factors ...................................................................................................................... 602
Ways to Probe Existing User Profiles ........................................................................................................ 603
Raritan Training Website .......................................................................................................................... 603
Connecting Contact Closure Sensors to OLD EMX2-888 .......................................................................... 603
Role of a DNS Server ................................................................................................................................. 605
Cascading Troubleshooting ...................................................................................................................... 605
Possible Root Causes ..................................................................................................................... 605
Slave Device Events in the Log ...................................................................................................... 608
The Ping Tool ................................................................................................................................. 608
Installing the USB-to-Serial Driver (Optional) ........................................................................................... 609
Initial Network Configuration via CLI ........................................................................................................ 610
Device-Specific Settings ............................................................................................................................ 617
TLS Certificate Chain ................................................................................................................................. 618
What is a Certificate Chain ............................................................................................................ 618
Illustration - GMAIL SMTP Certificate Chain ................................................................................. 621
Browsing through the Online Help ........................................................................................................... 624
Appendix J Integrating Asset Management Strips with Other Products 626
Asset Management Strips and Raritan PDUs ........................................................................................... 626
Asset Management Strips and dcTrack .................................................................................................... 627
Index 629
xi
The following sections have changed or information has been added to the
EMX User Guide based on enhancements and changes to the equipment
and/or user documentation.
• Mixing Diverse Sensor Types (on page 55)
Please see the Release Notes for a more detailed explanation of the changes
applied to this version of EMX.
What's New in the EMX User Guide
1
In This Chapter
Overview ............................................................................................................... 1
Product Models .................................................................................................... 2
Package Contents ................................................................................................. 3
APIPA and Link-Local Addressing .......................................................................... 4
Before You Begin .................................................................................................. 5
Overview
The EMX provides a rack management solution that combines the capabilities
of environmental monitoring, asset management, image surveillance, event
notifications and support for Schroff
®
heat exchangers.
Asset management:
You can remotely track the location of IT equipment after tagging IT
devices electronically. This feature is especially useful when there are
hundreds of IT devices to administer.
The following items are required for setting up the asset management
system:
â–ª Raritan asset tags: You tag an IT device by sticking an electronic asset
tag on it.
â–ª Raritan asset management strips (asset strips): Each asset strip
transmits the tag and position information to the EMX.
â–ª An EMX device: You can remotely locate each tagged IT device through
the EMX.
Environmental monitoring and/or system control:
After connecting Raritan environmental sensor packages to the EMX, you
can remotely monitor environmental conditions, such as temperature or
humidity in the data center, or control a system if actuators are connected.
Image surveillance:
With a Logitech
®
webcam connected, a simple camera and video
surveillance system is established so that you can remotely view real-time
snapshots or videos of the data center.
Event notifications:
Event rules and actions that are triggered when an event occurs are
supported by the EMX.
Chapter 1
Introduction
Chapter 1: Introduction
2
Email messages, log events, syslog messages, webcam snapshots, SNMP
traps and SMS messages can be triggered when the events you define
occur.
In addition, images captured by the webcam can be emailed to users in
response to a specific event.
Integration with Schroff
®
LHX/SHX heat exchangers:
The EMX can integrate with a Schroff
®
LHX-20, LHX-40 and SHX-30 heat
exchanger, which draws warm air into the air/water heat exchanger to cool
the air. This integration provides a solution for remotely monitoring the
heat exchanger.
Product Models
There are two EMX models:
• EMX2-111
• EMX2-888
All models are functionally identical, but vary in the dimension and total
number of ports.
Note: For a list of available asset strip kits and tags, visit the Raritan website's
Product Selector page (http://www.findmypdu.com/).
EMX2-111
EMX2-111 has the following ports and components:
• 1 Sensor port
• 1 Feature port
• 1 RS-485 port
• 2 USB ports (1 USB-A and 1 USB-B)
• 1 RS-232 port
• 1 Ethernet port
• 1 LCD display
• Control buttons
For details on each port, see Connection Ports (on page 66).
EMX2-888
Chapter 1: Introduction
3
EMX2-888 has the following ports and components:
• 8 Sensor ports
• 8 Feature ports
• 8 RS-485 ports
• 3 USB ports (2 USB-A and 1 USB-B)
• 1 RS-232 port
• 1 Ethernet port
• 1 LCD display
• Control buttons
• Contact closure sensor termination
For details on each port, see Connection Ports (on page 66).
Note: If your EMX is EMX2-888, which contains built-in contact closure sensor
terminals, see Connecting Contact Closure Sensors to OLD EMX2-888 (on page
603) and Connecting Contact Closure Sensors to EMX2-888 (on page 80),
respectively, based on your device type.
Package Contents
The following describes the equipment shipped with an EMX device. If anything
is missing or damaged, contact the local dealer or Raritan Technical Support for
help.
• The EMX device
• Power cord
• Bracket pack and screws
• Asset strips (optional)
• Asset tags (optional)
Chapter 1: Introduction
4
APIPA and Link-Local Addressing
EMX supports Automatic Private Internet Protocol Addressing (APIPA).
With APIPA, your EMX automatically configures a link-local IP address and a
link-local host name when it cannot obtain a valid IP address from any DHCP
server in the TCP/IP network.
Only IT devices connected to the same subnet can access the EMX using the
link-local address/host name. Those in a different subnet cannot access it.
Exception: EMX in the Port Forwarding mode does not support APIPA. See
Setting the Cascading Mode (on page 173).
Once the EMX can get a DHCP-assigned IP address, it stops using APIPA and the
link-local address is replaced by the DHCP-assigned address.
Scenarios where APIPA applies:
• DHCP is enabled on the EMX, but no IP address is assigned to the EMX.
This may be caused by the absence or malfunction of DHCP servers in the
network.
Note: Configuration by connecting the EMX to a computer using a network
cable is an application of this scenario. See Connecting the EMX to a
Computer (on page 18).
• The EMX previously obtained an IP address from the DHCP server, but the
lease of this IP address has expired, and the lease cannot be renewed, or
no new IP address is available.
Link-local addressing:
• IPv4 address:
Factory default is to enable IPv4 only. The link-local IPv4 address is
169.254.x.x/16, which ranges between 169.254.1.0 and 169.254.254.255.
• IPv6 address:
A link-local IPv6 address is available only after IPv6 is enabled on the EMX.
See Configuring Network Settings (on page 158).
• Host name - pdu.local:
You can type https://pdu.local to access the EMX instead of typing the
link-local IP address.
Retrieval of the link-local IPv4 address:
• See IPv4 Address (on page 75).
Chapter 1: Introduction
5
Before You Begin
Prepare the installation site. Make sure the installation area is clean and not
exposed to extreme temperatures or humidity. Allow sufficient space around
the EMX for cabling and equipment connections.
6
Depending on the model you purchased, the way to mount an EMX device
varies.
In This Chapter
Mounting a Zero U EMX ....................................................................................... 6
Mounting a 1U EMX .............................................................................................. 7
Mounting a Zero U EMX
This section describes how to mount a Zero U EMX device using L-brackets and
two buttons.
To mount Zero U models using L-brackets and two buttons:
1. Align the two edge slots of the L-bracket with the two screw holes on the
top of the EMX device.
2. Screw the L-bracket to the device and ensure the bracket is fastened
securely.
3. Repeat Steps 1 to 2 to screw another L-bracket to the bottom of the
device.
4. After both L-brackets are installed, you can choose either of the following
ways to mount the device in the rack.
Chapter 2
Rack Mounting an EMX
Chapter 2: Rack Mounting an EMX
7
â–ª Using rack screws, fasten the device to the rack through two identical
holes near the edge of each L-bracket.
â–ª Mount the device by screwing a mounting button in the back center of
each L-bracket and then having both buttons engage the mounting
holes in the rack. The recommended torque for the button is 1.96 N·m
(20 kgf·cm).
Mounting a 1U EMX
Using the appropriate brackets and tools, fasten the 1U EMX device to the rack
or cabinet.
To mount the 1U EMX device:
1. Attach a rackmount bracket to both sides of the EMX with the provided
screws.
2. Insert the cable-support bar into rackmount brackets.
Chapter 2: Rack Mounting an EMX
8
3. Secure with the provided end cap screws.
4. Fasten the rackmount brackets' ears to the rack using your own fasteners.
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