Juniper M40E Hardware Manual page 347

troubleshooting.............................................................152
types.....................................................................................17
weight.................................................................................83
FPCs
maintenance..................................................................132
status, checking.............................................................132
front impeller assembly
installation instructions
during initial installation.....................................98
for maintenance or replacement...................175
maintenance..................................................................130
removal instructions
during initial installation.....................................94
for maintenance or replacement...................172
tools required.................................................................158
troubleshooting............................................................150
weight.................................................................................83
front-mounting See rack
FRUs............................................................................................157
fuses
description (hardware and function).....................47
replacement of blown................................................222
use in troubleshooting................................................149
G
grounding (electrical) specifications
AC-powered router......................................................276
DC-powered router.....................................................276
grounding cables
lugs....................................................................................276
guidelines See specifications
H
hardware components
FPC.......................................................................................15
host module.....................................................................23
MCS.....................................................................................33
midplane.............................................................................11
PCG......................................................................................18
PIC.........................................................................................12
power requirements....................................................274
reinstallation of all during initial
installation....................................................................97
removal of all during initial installation.................83
SFM.....................................................................................20
weight.................................................................................83
higher-order mode loss (HOL).......................................284
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host module..............................................................................23
description (hardware and function).....................23
LEDs.....................................................................................37
location on M40e and M160 routers.......................25
maintenance...................................................................131
mastership, checking and switching.......................23
See also MCS, Routing Engine
hot-pluggable components See field-replaceable
units
hot-removable and hot-insertable components See
field-replaceable units
humidity (relative), acceptable........................................271
I
I/O Manager ASIC
on FPC.................................................................................15
role in forwarding...........................................................60
immunity standards............................................................264
impeller assembly See front impeller assembly, rear
lower impeller assembly, rear upper impeller
assembly
installation instructions
AC power cord
for maintenance or replacement...................119
AC power supply
during initial installation...................................106
for maintenance or replacement...................213
air filter...............................................................................171
alarm relay contact wires
tools required..........................................................111
cable, auxiliary or console port (for Routing
Engine management)
tools required..........................................................111
cable, Ethernet port (for Routing Engine
management)
tools required..........................................................111
cable, PIC
during initial installation....................................116
chassis using mechanical lift.....................................81
tools required...........................................................81
chassis without mechanical lift...............................83
tools required..........................................................83
CIP.......................................................................................161
circuit breaker box.......................................................220
craft interface.................................................................174
DC power and grounding cables
for maintenance or replacement..................120
tools required..........................................................111
Index
319