Internet Router Hardware Guide

M160 Internet Router Hardware Guide
impeller assemblies ............................... 130
MCS ................................................ 131
overview ........................................... 127
PCG................................................. 135
PIC.................................................. 134
power supply ...................................... 137
Routing Engine .................................... 131
SFM................................................. 136
warnings ...........................................247
management
port, Ethernet See Ethernet port
process (software module of Routing Engine)... ...49
manuals
comments on......................................xxiii
MCS
components..........................................26
description (hardware and function)................25
installation instructions
during initial installation ..................... 107
for maintenance or replacement ............ 161
LEDs..................................................26
maintenance....................................... 131
offline button ........................................26
removal instructions
during initial installation .......................88
for maintenance or replacement ............ 159
serial number......................................259
status, displaying .................................. 131
tools required ...................................... 139
weight................................................83
MIB II process (software module in Routing Engine) ...49
midplane
description ...........................................12
power supply connectors to....................... 197
Miscellaneous Control Subsystem See MCS
modal dispersion in fiber-optic cable....................71
mode loss, higher-order ..................................71
MPLS protocols ...........................................44
multicast routing protocols...............................44
multimode fiber-optic cable See cable, fiber-optic
N
NEBS standards......................................... 253
network cable See cable, fiber-optic; cable, PIC
notice icons ..............................................xix
O
offline button
FPC ...................................................31
MCS ..................................................26
PCG...................................................19
PIC....................................................13
SFM...................................................20
P
Packet Director ASIC
component on FPC..................................16
role in forwarding....................................52
Packet Forwarding Engine
architectural components ...........................51
ASICs, diagram of....................................51
Clock Generator See PCG
data flow through....................................52
hardware components listed........................ 11
packing crate See shipping crate
parentheses, in syntax descriptions .....................xx
PC card
insertion instructions.............................. 164
removal instructions............................... 163
PCG
components..........................................19
description (hardware and function)................18
installation instructions
during initial installation ..................... 106
for maintenance or replacement ............ 178
LEDs..................................................19
maintenance....................................... 135
offline button ........................................19
removal instructions
during initial installation .......................89
for maintenance or replacement ............ 176
serial number...................................... 260
status, checking.................................... 135
tools required ...................................... 139
weight................................................83
PFE See Packet Forwarding Engine
Physical Interface Card See PIC
PIC
ASIC on...............................................13
ATM, use of analyzer .............................. 134
cable
installation instructions ...................... 186
removal instructions.......................... 185
tools required ................................. 139
components..........................................14
description (hardware and function)................13
E1, pinouts for RJ-48 cable........................ 270
EIA-530, pinouts for X.21 cable................... 273
Fast Ethernet 48-port, pinouts for RJ-21 cable ... 274
installation instructions............................ 181
LEDs..................................................14
maintenance....................................... 134
offline button ........................................13
removal instructions............................... 179
serial number...................................... 260
SONET/SDH
alarm messages .............................. 209
analyzer, use of ............................... 134
clock source for.................................25
284 Index