User Manual

Index
M40 Internet Router Hardware Guide
242
P
Packet Forwarding Engine
architectural components.....................................32
ASICs, diagram of ................................................32
components...........................................................9
cooling subsystem See lower impeller assembly,
upper impeller assembly
data flow through.................................................33
packing crate See shipping crate
Physical Interface Card See PIC
PIC
ASIC on................................................................10
cable
installation instructions...............................184
removal instructions ...................................183
tools required..............................................181
components.........................................................11
description (hardware and function) ....................10
E1 pinouts for RJ-48 cable..................................208
Fast Ethernet 12-port, pinouts for RJ-21 cable....211
installation instructions
quad-wide...................................................165
regular ........................................................168
LEDs ....................................................................11
maintenance......................................................162
removal instructions
quad-wide...................................................163
regular ........................................................167
serial number.....................................................217
SONET/SDH
alarm messages ..........................................192
power budget, calculating .............................51
status, checking .................................................162
T1 pinouts for RJ-48 cable..................................208
tools required.....................................................161
troubleshooting..................................................202
ping command..........................................................191
pinouts
DB-9 cable connector ports (auxiliary/console)... 208
RJ-21 cable.........................................................211
RJ-45 Ethernet cable connector port...................207
RJ-48 cable.........................................................208
policy, routing .............................................................28
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
power
budget calculation................................................ 51
cables and cords See AC power cords, DC power
and grounding cables
connecting to AC-powered router
during initial installation .............................123
for maintenance .........................................140
connecting to DC-powered router
during initial installation .............................123
for maintenance..........................................149
disconnecting
from AC-powered router .............................140
from DC-powered router.............................147
margin calculation................................................51
supply See AC power supply, DC power supply
surges...................................................................49
system
load sharing ..................................................45
redundancy...................................................45
requirements ................................................48
specifications ................................................44
tools required..............................................135
R
rack
airflow clearance requirement..............................42
mounting hole spacing.........................................41
securing to building..............................................41
size and strength required....................................40
standards, EIA and ETSI.......................................40
radio frequency interference, preventing.....................49
redundancy
components ...........................................................4
cooling system .....................................................23
fan tray ................................................................23
impeller assemblies..............................................23
power system.......................................................45
regulatory compliance.................................................55
relative humidity, acceptable.......................................43
removal instructions
AC power cord ...................................................140
AC power supply
during initial installation .............................101
for maintenance or replacement.................137
air filter
during initial installation .............................107
for maintenance or replacement.................154
alarm relay contact wires ...................................188
cable
auxiliary or console port on craft
interface..................................................187
Ethernet port on craft interface...................186
management system...................................104
PIC..............................................................183
DC power and grounding cables.........................147
DC power supply
during initial installation .............................101
for maintenance or replacement.................142
fan tray
during initial installation .............................103
for maintenance or replacement.................156