User Manual
Index
M40 Internet Router Hardware Guide
244
shipping crate
repacking the router........................................... 220
unpacking the router............................................ 92
shock (earthquake), tested level ..................................43
show chassis alarms command.................................192
show chassis environment command
for fan tray.........................................................155
for impeller assemblies ......................................157
for power supplies..............................................135
show chassis fpc command.......................................162
show chassis hardware command.............................216
show chassis routing-engine command.....................174
show chassis scb command ......................................169
signal dispersion .........................................................50
signaling, distance limitations .....................................49
Simple Network Management Protocol See SNMP
single-mode fiber-optic cable See cable, fiber-optic
site
electrical wiring specifications..............................49
environmental specifications ...............................43
preparation
checklist........................................................54
instructions...................................................39
routine inspection ..............................................133
SNMP
as tool for monitoring ..........................................30
process (software module in Routing Engine) ......29
software, JUNOS See JUNOS Internet software
SONET/SDH analyzer, use of.....................................182
specifications
AC power
cord ..............................................................45
supply...........................................................21
cable
DC power and grounding..............................46
Routing Engine ports on craft interface......... 53
DC power supply..................................................22
electrical
cable and wiring ...........................................49
grounding .....................................................45
environmental......................................................43
fire safety.............................................................43
power system ......................................................44
rack
connection to building structure ...................41
mounting hole spacing..................................41
size and strength...........................................40
wires to external alarm-reporting devices ............53
standards compliance .................................................84
support, obtaining.....................................................194
surge protection ..........................................................49
system
architecture..........................................................31
description.............................................................3
System Control Board See SCB
T
T1 PIC pinouts for RJ-48 cable...................................208
tables, routing and forwarding ....................................28
technical support, obtaining ......................................194
telco rack See rack
temperature, acceptable range ....................................43
tolerances....................................................................43
tools required
cable maintenance.............................................181
cooling system maintenance..............................153
Packet Forwarding Engine maintenance ............161
power system maintenance ...............................135
router
installation ....................................................97
unpacking .....................................................89
Routing Engine maintenance .............................173
traceroute command.................................................191
traffic engineering protocols........................................26
transmission distances, fiber-optic cable .....................50
troubleshooting
CLI commands ...................................................191
cooling system ...................................................198
FPC ....................................................................201
LEDs
craft interface..............................................192
hardware components ................................192
overview of tools................................................191
PIC .....................................................................202
power system.....................................................195
SCB ....................................................................202
U
U (rack unit) ................................................................40
unicast routing protocols .............................................26
upper impeller assembly
description (hardware and function) ....................23
installation instructions
during initial installation .............................117
for maintenance or replacement.................160
maintenance ......................................................157
removal instructions
during initial installation .............................102
for maintenance or replacement.................159
tools required.....................................................153
troubleshooting ..................................................198
weight..................................................................99