Internet Router Hardware Guide

Index
PCG
during initial installation ..................... 106
for maintenance or replacement ............ 178
PIC.................................................. 181
power and grounding cables
during initial installation ......................117
for maintenance or replacement ............ 202
tools required.................................. 111
power supply
during initial installation ..................... 109
for maintenance or replacement ............ 199
rear component cover............................. 109
rear lower impeller assembly
during initial installation ..................... 103
for maintenance or replacement ............ 155
rear upper impeller assembly
during initial installation ..................... 104
for maintenance or replacement ............ 158
router
preparation for..................................77
Routing Engine
during initial installation ..................... 105
for maintenance or replacement ............ 168
SFM
during initial installation ..................... 108
for maintenance or replacement ............ 189
SFP ................................................. 191
instructions
calculation
power requirements............................65
cleaning See cleaning instructions
installation See installation instructions
maintenance
PIC ............................................ 134
See maintenance guidelines
packing
router for shipment........................... 265
removal See removal instructions
site preparation ......................................59
unpack the router....................................77
interface
command-line See CLI
network See PIC
process (software module in Routing Engine)......49
interference
electromagnetic......................................65
radio frequency......................................65
Internet Processor II ASIC
component on SFM..................................19
role in forwarding....................................52
J
Juniper Networks Technical Assistance Center
(JTAC).................................................. 212
JUNOS Internet software
chassis process ......................................49
CLI See CLI
interface process.....................................49
kernel (Routing Engine) .............................49
management process................................49
MIB II process........................................49
modularity and scalability...........................54
overview .............................................43
role in system architecture..........................53
routing protocol process.............................44
SNMP process........................................49
tools
for accessing and configuring..................50
for monitoring ..................................50
upgrade of ...........................................50
VPNs .................................................48
K
kernel (software in Routing Engine) .....................49
L
laser safety guidelines .................................. 244
LCD on craft interface
alarm mode..........................................30
description ...........................................29
idle mode ............................................29
LEDs
alarm (red and yellow on craft interface)
description......................................28
troubleshooting use .......................... 208
FPC...................................................31
host module..........................................31
MCS ..................................................26
PCG...................................................19
PIC....................................................14
power supply ........................................36
Routing Engine ......................................24
safety warnings.................................... 244
SFM...................................................20
lifting handle (for installation)............................97
link loss, calculating ......................................73
load sharing (power supplies) ............................35
lugs for grounding cables.................................67
lugs for power and grounding cables ....................67
M
maintenance guidelines
air filter............................................. 128
cable
PIC ............................................ 134
cooling system..................................... 127
fan tray............................................. 130
FPC................................................. 133
host module........................................ 131
Index 283