Juniper M7i Installation Instructions Manual

M7i
Juniper
Brand
Juniper
Model
M7i
Type
Installation Instructions Manual

This manual is also suitable for

M7i and M10i Internet Routers Power Supply
Installation Instructions
Par t No: 5
30-009921-01
Revision 1
This docu
ment describes how to remove and replace a power supply on a Juniper Networks
M7iorM10iInternetrouter.
Contents
Power Supply Description ....................................................................... 1
Power Sup
ply Specifications................................................................ 3
Power Supply LED .......................................................................... 4
AC Groundi
ng and Power Cord Specifications............................................. 4
DC Grounding, Connection, and Cable Specifications .................................... 5
Tools and Pa
rts Required ........................................................................ 6
Replace an AC Power Supply .................................................................... 6
Remove an AC P
ower Supply............................................................... 7
Install an AC Power Supply................................................................. 8
ReplaceaDCP
ower Supply ..................................................................... 9
Remove a DC Power Supply................................................................ 9
Install a DC Po
wer Supply ..................................................................11
List of Technical Publications.................................................................... 14
How to Request S
upport......................................................................... 17
Power Supply Description
The router uses either AC or DC power (see Figure 1 and Figure 2). The power supplies are
internally connected to the midplane, which distributes the different output voltages they
produce throu
ghout the system and its components.
An enable control signal on the output connector ensures that the power supply is fully
seated into t
he router midplane before the power supply can be turned on. The enable pin
prevents a user-accessible energy hazard, so there is no interlocking mechanism. The
enable pin disables the voltage at the output connector if the power supply is not turned
off before re
moval.
M7i and M10i Internet Routers Power Supply Installation Instructions 1
Power Supply Desc
ription
On an M7i router, if two power supplies are installed, they are fully redundant and share the
load during normal operation. A single power supply can provide full power for as long as
the router is o
perational. Redundancy is necessary only if one of the power supplies fails.
On an M10i router, if three AC power supplies or four DC power supplies are installed, they
are fully redu
ndant and share the load during normal operation. Two power supplies can
provide full power for as long as the router is operational. Redundancy is necessary only if
one of the power supplies fails.
Power supplies are hot-removable and hot-insertable. Each power supply has a handle to
facilitate removal from the chassis. When one power supply fails or is switched off, the
remaining po
wer supplies immediately and automatically assume the entire electrical load.
Each power supply has an LED that indicates power supply status. Table 3 describes the
LED states.
For a complete list of safety warnings for this router, including
translations, see the hardware guide for your router at
www.juniper.net/techpubs/hardware/.
Figure 1: AC Power Supply
g003208
2 M7iandM10iInternetRoutersPowerSupplyInstallationInstructions
Power Supply Spec
ifications
Figure 2: DC Power Supply
CAUTION
Energy hazard from
contacting components
on midplane
or in card cage.
USE CO
PPER
CONDUCTORS
RTN
-48 V
10 A
g003329
Power Supply Specifications
Ta b l e 1 a n d T
able 2 list the electrical specifications for AC and DC power supplies.
Table 1: Electrical Specifications for AC Power Supply
Description Specification
Maximum power output 293 WDC
AC input voltage Nominal: 100–240 VAC
Operating range: 100–264 VAC
AC input line frequency
47–63 Hz
AC input current rating 6–3 A
Output voltages
+3.3 V @ 40 A, +2.5 V @ 20 A, +5.0 V @ 15 A,
+12 V@ 3 A
Table 2: Electrical Specifications for DC Power Supply
Description Specification
Maximum p
ower output
293 W
DC input voltage Nominal: –48 to –60 VDC
Operating range: –36 to –72 VDC
Input DC current rating 10 A @ –48 V
Output voltages
+3.3 V @ 40 A, +2.5 V @ 20 A, +5.0 V @ 15 A,
+12 V@ 3 A
M7i and M10i Internet Routers Power Supply Installation Instructions 3
AC Grounding and P
ower Cord Specifications
Power Supply LED
Ta b l e 3 d e s c r i
bes the LED on both AC and DC power supplies.
Table 3: States for Power Supply LED
Label Color State Description
On steadily Power supply is functioning normally, input is
occurring, outputs are within range, and the
temperature is within range.
OUTPUT
OK
Green
Blinking Power supply is starting up, is not properly
inserted, or
airflow is not sufficient.
AC Grounding and Power Cord Specifications
To ground an
AC-powered router, plug each power supply into a grounded AC power
receptacle. The receptacle provides the grounding for the router, so no additional grounding
is necessary. The receptacle must be within about 8 ft (2.5 m) of the router and must be
easily acce
ssible.
Detachable AC power cords, each 2.5 m (approximately 8 ft) long, are supplied with the
router. Th
eappliancecoupleratthefemaleendofthecordinsertsintotheapplianceinleton
the faceplate of the AC power supply. The coupler is type C13 as described by International
Electrotechnical Commission (IEC) standard 60320. The plug at the male end of the power
cord fits i
nto the power source receptacle that is standard for your geographical location.
In North America, AC power cords must not exceed 4.5 m (approximately
14.75 ft) in length, to comply with National Electrical Code (NEC) Sections
400-8 (NFPA 75, 5-2.2) and 210-52, and Canadian Electrical Code (CEC)
Section 4-010(3). The cords supplied with the router are in compliance.
Table 4 provides specifications and Figure 3 depicts the plug on the AC power cord provided
for each
country or region.
Table 4: AC Power Cord Specifications
Country Electrical Specification Plug Type
Australia
240 VAC, 50 Hz AC
SAA/3
Europe (except Italy and United Kingdom)
220 or 230 VAC, 50 Hz AC
VII
Italy
230 VAC, 50 Hz AC
I/3/16
4 M7iandM10iInternetRoutersPowerSupplyInstallationInstructions
DC Grounding, Con
nection, and C able Sp ecifications
Country Electrical Sp
ecification
Plug Type
Japan
110VAC,50or60HzAC 498G
North America
120 VAC, 60 Hz AC NEMA 5-15P
United Kingdom
240 VAC, 50 Hz A
C
BS89/3
Figure 3: AC Plug Types
ItalyEurope UKAustralia
1013
Japan North America
Power cords and cables must not block access to router components or
drape where people could trip on them.
DC Grounding, Connection, and Cable Specifications
To ground a DC-powered router, connect a grounding cable to earth ground and then attach it
to one of the chassis grounding points on the rear of the chassis. To supply power to the
router, connect power cables to a separate, dedicated DC power source for each power supply
and attach the cables to the field-wiring terminals on each power supply. Most sites distribute
DC power through a main conduit that leads to frame-mounted DC power distribution panels,
one of which might be located at the top of the rack that houses the router. A pair of cables
(one input and one return) connects the field-wiring terminals to the power distribution panel.
Table 5 summarizes the specifications for the grounding and power cables, which you supply.
Table 5: DC Power and Grounding Cable Specifications
Cable Type Quantity and Specification
Maximum
Equal
Length
Power
Two 14-AWG (2.5 mm
2
) single-strand-count wire cables for
each power supply
None
Grounding One 14-AWG (2.5 mm
2
) single-strand-count wire cable
None
M7i and M10i Internet Routers Power Supply Installation Instructions 5
Replace an AC Pow e
r Supply
For field-wiring connections, use copper conductors only.
Figure 12 and Figure 13 show how to attach the grounding and power cables. The grounding
cable attach
es to the grounding points on the router above the power supplies. The power
cables insert into the field-wiring terminals located on each power supply— the input
terminal is labeled -48V and the return terminal is labeled RTN.
Before rout
er installation begins, a licensed electrician must attach a cable
lug to the grounding and power cables that you supply. A cable with an
incorrectl
y attached lug can damage the router (for example, by causing
ashortcircuit).
Power cords and cables must not block access to router components or
drape whe
re people could trip on them.
Tools and Parts Required
To replace a power supply, you need the following tools and parts:
• Electrostatic bag or antistatic mat
• Electro
static discharge (ESD) grounding wrist strap
• Phillips (+) screwdrivers, numbers 1 and 2
Replace an AC Power Supply
To replace an AC power supply, perform the following procedures:
• Remove a
n AC Power Supply on page 7
• Install an AC Power Supply on page 8
6 M7iandM10iInternetRoutersPowerSupplyInstallationInstructions
Remove an AC Power
Supply
Remove an AC Power Supply
To remove an AC
power supply, follow this procedure (see Figure 4 and Figure 5):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to on
e of the ESD points on the chassis.
2. Press the pow
er switch on the power supply faceplate to the OFF (O)position.
Ifyouarenotremovingthepowersupply,butsimplypoweringitoff,waitat
least 60 seconds before turning it back on. If you need to power it off again,
wait for at least 60 seconds after powering it on.
3. Unplug the power co
rd from the appliance inlet on the faceplate.
4. Loosen the thumbs
crew at each corner of the power supply faceplate, using a Phillips
screwdriver if necessary.
5. Grasp the handle on the power supply faceplate and pull firmly to slide the unit
abouthalfwayoutofthechassis.
6. Place one hand under the power supply to support it, then slide it completely out of
the chassis.
Figure 4: Remove an AC Power Supply from an M7i Router
g003210
M7i and M10i Internet Routers Power Supply Installation Instructions 7
Install an AC Powe
r Sup ply
Figure 5: Remove an AC Power Supply from an M10i Router
FAN
TR
A
Y O
FA
NTRA
Y 1
NOTE:
C-FEB 0
C-FEB 1
P
/S
3
P/S
2
P/S 1
P/S 0
P/S 0 AND P/S 1 MUST BE PRESENT
FOR NORMAL OPERATION.
g003310
Install an AC Power Supply
To install
an AC power supply, follow this procedure (see Figure 6 and Figure 7):
1. Verify that the switch on the power supply faceplate is in the OFF (O)position.
2. Locate the power cord shipped with the router, which should be appropriate for your
geograph
ical location.
3. Attach an
electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
4. Place one hand under the power supply and grasp the handle on the faceplate with the
other hand. Slide the power supply into the chassis until it contacts the midplane.
5. Starting with the bottom screw, tighten (but do not overtighten) the thumbscrews at
each co
rner of the power supply faceplate.
6. Insert
the appliance coupler end of the power cord into the appliance inlet on the power
supply faceplate and insert the plug into an AC power source receptacle. Verify that
the power cord does not block access to router components or drape where people
could
trip on it.
7. Press
the power switch on the faceplate to the ON ( | ) position.When the power supply
has powered on successfully, the green OUTPUT OK LED lights steadily.
8 M7iandM10iInternetRoutersPowerSupplyInstallationInstructions
Remove a DC Power S
upply
Figure 6: Install an AC Power Supply in an M7i Router
g003209
Figure 7: Install an AC Power Supply in an M10i Router
FA
N
TR
A
Y O
FAN
TR
AY
1
NOTE:
C-FEB 0
C-FEB 1
P
/S
3
P
/S
2
P/S
1
P/S 0
P/S 0 AND P/S 1 MUST BE PRESENT
FOR NORMAL OPERATION.
g003309
Replace a DC Power Supply
To replace a DC power supply, perform the following procedures:
• Remove a DC Power Supply on page 9
• Install a DC Power Supply on page 11
Remove a DC Power Supply
To remove a DC power supply, follow this procedure (see Figure 8 and Figure 9):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
M7i and M10i Internet Routers Power Supply Installation Instructions 9
Remove a DC Power S
upply
2. Press the power switch for the power supply (located on the power supply faceplate) to
the OFF (O) position.
If you are power cycling the power supply rather than shutting it off for a
time, wait at least 60 seconds after turning it off before turning it back on. If
you need to power it off again, wait for at least 60 seconds after powering
it on.
3. Shut off the power flowing to the power supply from the external power source, so that
the voltage across t
he leads of the power cables is 0 V. Ensure that there is no chance
that the cable leads might become active during the procedure.
4. Loosen the screws securing the clear cover over the field-wiring terminals and remove
the cover.
5. Using a #1 Phillips screwdriver, turn the screw on each field-wiring terminal
counter-clockwi
se to loosen the terminal connector from around the cable.
6. Remove the cables
from the terminal connectors and from the hook located on the
faceplate to the right of the field-wiring terminal.
7. Loosen the thumbscrew at each corner of the power supply faceplate, using a Phillips
screwdriver if necessary.
8. Grasp the handle on the power supply faceplate and pull firmly to slide the unit
about halfway o
ut of the chassis.
9. Place one hand u
nder the power supply to support it, then slide it completely out of
the chassis.
Figure 8: Remove a DC Power Supply from an M7i Router
g003242
10 M7i and M10i Internet Routers Power Supply Installation Instructions
Install a DC P ow e r
Supply
Figure 9: Remove a DC Power Supply from an M10i Router
FAN
TRA
Y O
FA
NTR
AY 1
NOTE:
C-FEB 0
C-FEB 1
P
/S
3
P/S 2
P/S 1
P/S 0
P/S 0 AND P/S 1 MUST BE PRESENT
FOR NORMAL OPERATION.
g003334
Install a D
C Power Supply
To install a DC power supply, follow this procedure (see Figure 10, Figure 11, Figure 12, and
Figure 13)
:
1. Verify that there is no power flowing to the power supply from the external power
source, s
o that the voltage across the leads of the power cables is 0 V. Ensure that there
is no chance that the cable leads might become active during the procedure.
2. Verify that the power switch for the power supply (located on the power supply
faceplate) is in the OFF (O)position.
3. Verify that the grounding cable is attached to the chassis and properly connected to
an earth
ground.
4. Attach
an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis.
5. Place one hand under the power supply and grasp the handle on the faceplate with the
other hand. Slide the power supply into the chassis until it contacts the midplane.
6. Starting with the bottom screw, tighten (but do not overtighten) the thumbscrews at
each c
orner of the power supply faceplate.
7. Verif
y that a licensed electrician has attached a listed power cable lug to each power
source cable.
8. Loop the power cables through the hook located on the faceplate to the right of the
field-wiring terminals.
9. Depending on the type of power cable lugs used, loosen or remove the screws on the
fiel
d-wiring terminals.
M7i and M10i Internet Routers Power Supply Installation Instructions 11
Install a DC P ow er
Supply
10. Insert the power cable lugs into the appropriate field-wiring terminals:
• Insert the positive (+) source cable into the return terminal, which is labeled RTN.
• Insert the neg
ative (–) source cable into the input terminal, which is labeled –48V.
11. Usinga#1Phillipsscrewdriver,turnthescrewoneachfield-wiringterminalclockwise
to secure the p
ower cable lug.
12. Verify that t
he DC source power cabling and the grounding cabling are correct, that
they are not touching or blocking access to router components, and that they do not
drape where people could trip on them.
13. Turn on the DC power source so that voltage flows to the power supply.
14. Press the switch on the power supply faceplate to the ON ( | ) position.When the power
supply has p
owered on successfully, the green OUTPUT OK LED lights steadily.
Figure 10: Install a DC Power Supply in an M7i Router
g003241
Figure 11: Install a DC Power Supply in an M10i Router
FAN
TR
AY
O
FAN
TR
AY 1
NOTE:
C-FEB 0
C-FEB 1
P/S 3
P/S 2
P/S
1
P
/S
0
P/S 0 AND P/S 1 MUST BE PRESENT
FOR NORMAL OPERATION.
g003333
12 M7i and M10i Internet Routers Power Supply Installation Instructions
Install a DC P ow e r
Supply
Figure 12: Connect Power Cables to a DC Power Supply on an M7i Router
g003243
To ground
Grounding lug
M7i and M10i Internet Routers Power Supply Installation Instructions 13
List of Technical
Publications
Figure 13: Connect Power Cables to a DC Power Supply on an M10i Router
FA
N
TR
AY
O
FA
N
TR
A
Y 1
N
O
TE
:
C
-F
EB
0
C
-FE
B
1
P/S 3
P/S
2
P
/S 1
P
/S
0
P/S 0 A
N
D
P
/S 1 M
U
ST
BE
P
R
E
SE
N
T
FO
R
N
O
R
M
AL
O
P
ER
ATIO
N.
g003330
Grounding
points
To ground
List of
Technical Publications
Table 6 lists the software and hardware books for Juniper Networks routers and describes the
conten
ts of each book.
Table 6: Juniper Networks Technical Documentation
Book Description
JUNOS Internet Software Configuration Guides
Feature Guide
Provides a detailed explanation and configuration examples for
several of the most complex features in the JUNOS software.
Getting Started
Provides an overview of the JUNOS Internet software and
describes how to install and upgrade the software. This
manual also describes how to configure system management
functions and how to configure the chassis, including user
accounts, passwords, and redundancy.
14 M7i and M10i Internet Routers Power Supply Installation Instructions
List of Technical
Publications
Book Description
Network Interfaces and
Class of Service
Provides an overview of the network interface and
class-of-service functions of the JUNOS Internet software and
describes how to configure the network interfaces on the
router.
MPLS Applications
Provides an overview of traffic engineering concepts and
describes how to configure traffic engineering protocols.
Multicast
Provides an overview of multicast concepts and describes how
to configure m
ulticast routing protocols.
Network Management
Provides an overview of network management concepts and
describes how to configure various network management
features, such as SNMP, accounting options, and cflowd.
Policy Framework
Provides an overview of policy concepts and describes how
to configure routing policy, firewall filters, and forwarding
options.
Routing and Routing
Protocols
Provides an overview of routing concepts and describes how
to configure
routing, routing instances, and unicast routing
protocols.
Services Interfaces
Provides an overview of the services interfaces functions of the
JUNOSsoftwareanddescribeshowtoconfiguretheservices
interfaces on the router.
VPNs
Provides an overview and describes how to configure Layer
2 and Layer 3 Virtual Private Networks (VPNs), Virtual
Private LAN Service (VPLS), and Layer 2 circuits. Provides
configuration examples.
JUNOS Inter
net Software References
Operational Mode
Command Reference:
Interfaces
Describes the JUNOS Internet software operational mode
commands you use to monitor and troubleshoot network and
services interfaces on Juniper Networks M-series and T-series
routers.
Operational Mode
Command Reference:
Protocols, Class of
Service, Chassis, and
Management
Describes the JUNOS Internet software operational mode
commands you use to monitor and troubleshoot most aspects
of Juniper Networks M-series and T-series routers.
System Log Messages
Reference
Describes h
ow to access and interpret system log messages
generated by JUNOS software modules and provides a
reference p
age for each message.
JUNOScript API Documentation
JUNOScript API Guide
Describes how to use the JUNOScript API to monitor and
configure Juniper Networks routers.
JUNOScrip
tAPIReference
Provides a reference page for each tag in the JUNOScript API.
JUNOS Internet Software Comprehensive Index and Glossary
Comprehensive Index
and Glossary
Provides a complete index of all JUNOS Internet software
books and the JUNOScript API Guide.Alsoprovidesa
comprehensive glossary.
Hardware Documentation
M7i and M10i Internet Routers Power Supply Installation Instructions 15
List of Technical
Publications
Book Description
Hardware Guide
Describes how to install, maintain, and troubleshoot routers
and router components. Each platform has its own hardware
guide.
PIC Guide
Describes the router Physical Interface Cards (PICs). Each
router platform has its own PIC guide.
JUNOScope Software Documentation
JUNOScope Software
Guide
Describes the JUNOScope software graphical user interface
(GUI), how to install and administer the software, and how
to use the software to manage router configuration files and
monitor router operations.
Release Notes
JUNOS Internet Software
Release Note
s
Provideasum
mary of new features for a particular software
release. Software release notes also contain corrections and
updates to pu
blished JUNOS and JUNOScript manuals, provide
information that might have been omitted from the manuals,
and describe
upgrade and downgrade procedures.
Hardware Release Notes
Describe the available documentation for the router platform
and summarize known problems with the hardware and
accompanying software. Each platform has its own release
notes.
JUNOScope Software
Release Notes
Contain corrections and updates to the published JUNOScope
manual, provide information that might have been omitted
from the manual, and describe upgrade and downgrade
procedures.
16 M7i and M10i Internet Routers Power Supply Installation Instructions
How t o Request Sup
port
How to Request Support
For technical
support, contact Juniper Networks at support@juniper.net, or at 1-888-314-JTAC
(within the United States) or 1-408-745-9500 (from outside the United States).
Revision Hist
ory
22 September 2003—First edition.
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 is registered in the U.S. Patent and Trademark Office and in other countries as a trademark of Juniper Networks, Inc. ERX,
ESP, E-series, Internet Processor, J-Protect, JUNOS, JUNOScript, JUNOSe, M5, M7i, M10, M10i, M20, M40, M40e, M160, M-series, NMC-RX, SDX
,
T320, T640, and T-series are trademarks of Juniper Networks, Inc. All other trademarks, servicemarks, registered trademarks, or registered
service marks are the property of their respective owners. All specifications are subject to change without notice.
Copyright © 2003, Juniper Networks, Inc. All rights reserved.
M7i and M10i Internet Routers Power Supply Installation Instructions 17
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Juniper M7i Installation Instructions Manual

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