Juniper M120 Hardware Manual page 303

maintenance guidelines
CFPC.................................................................................106
FPC....................................................................................106
overview............................................................................101
PIC.......................................................................................112
PIC cable...........................................................................112
management
port See Ethernet port on craft interface
manuals
comments on.................................................................xxv
MGMT port See Ethernet port on craft interface
midplane.......................................................................................8
description..........................................................................8
functions..............................................................................8
modal dispersion in fiber-optic cable...........................243
mode loss, higher-order.....................................................242
multimode fiber-optic cable See cable,
fiber-optic...........................................................................242
N
NEBS standards....................................................................219
network cable See cable, fiber-optic; cable, PIC
notice icons.............................................................................xxiv
O
open-frame rack See rack
overview
router.....................................................................................3
P
parentheses, in syntax descriptions...............................xxv
PEMs See power supplies
physical specifications...................................................6, 225
PIC
ATM, use of analyzer.....................................................112
ATM, wavelength range supported.......................242
cable
installation instructions....................................166
removal instructions..........................................165
E1
pinouts for RJ-48 cable....................................249
EIA-530, pinouts for X.21 cable..............................252
Fast Ethernet 48-port, pinouts for RJ-21
cable............................................................................254
maintenance...................................................................112
SONET/SDH
alarm messages....................................................118
analyzer, use of......................................................112
wavelength range supported.........................242
Copyright © 2010, Juniper Networks, Inc.
status, checking..............................................................112
T1
pinouts for RJ-48 cable....................................249
PICs...............................................................................................15
connecting........................................................................87
description.........................................................................15
replacing...........................................................................161
status, checking..............................................................121
troubleshooting.............................................................122
ping command.........................................................................117
pinouts
External Interface clock connector
pinouts........................................................................248
RJ-21 cable.....................................................................254
RJ-45 cable connector ports
(auxiliary/console).................................................248
RJ-45 Ethernet cable connector port...................247
RJ-48 cable....................................................................249
V.35 cable.......................................................................252
X.21 cable........................................................................252
port
auxiliary on craft interface See auxiliary port on
craft interface
console on craft interface See console port on
craft interface
Ethernet on craft interface See Ethernet port
on craft interface
external clock...................................................................25
power
budget calculation......................................................244
cables and cords See AC power cords; power
and grounding cables
margin calculation......................................................244
requirements for hardware components............237
system
specifications.......................................................229
power supplies
AC electrical specifications............................230, 237
DC electrical specifications............................233, 237
description........................................................................29
LEDs......................................................................28, 30, 32
maintaining......................................................................115
power system
troubleshooting.............................................................124
power system components
replacing...........................................................................173
powering off the router.........................................................93
powering on the router.........................................................92
Index
275