- Juniper Router Hardware Guide

Insert the PC Card ......................................................................... 114
Replace the Routing Engine .................................................................... 115
Remove the Routing Engine .............................................................. 115
Install the Routing Engine................................................................. 116
Replace Connectors to Routing Engine Interface Ports ....................................... 118
Replace the Management Ethernet Cable .......... ........ ........... ........ ........... 118
Replace the Console or Auxiliary Cable................................................... 119
Chapter 11
Troubleshoot Hardware Components .................................................................121
Overview of Trou
bleshooting Resources............................................................121
Command-Line Interface.......................................................................121
LEDs.............................................................................................122
LEDs on the Craft Interface ...............................................................122
LEDs on Hardware C
omponents..........................................................122
Hardware and Interface Alarm M essages........ .. ......... .. ......................... ........122
Juniper Networks T
echnical Assistance Center................................................124
Troubleshoot the Fan Tray ...........................................................................124
Troubleshoot Pack
et Forwarding Engine Components.............................................124
Troubleshoot the FEB...........................................................................125
Troubleshoot PICs...............................................................................1
25
Troubleshoot the Power System.....................................................................125
LED on Both Supplies I
s Off....................................................................126
LED on One Supply Is Off ......................................................................126
Part 4
Appendixes
Appendix A
Safety and Regulatory Compliance Infor mation...............................................129
Definition of Safet
y Warning Levels.................................................................129
Safety Guidelines and Warnings.....................................................................131
General Safety Guid
elines and Warnings ......................................................131
Qualified Personnel Warning..............................................................132
Restricted Access Ar
ea Warning ..........................................................133
Prevent Electrostatic Discharge Damage .................................................134
Electrical Safety Gu
idelines and Warnings.....................................................135
General Electrical Safety Guidelines ......................................................136
AC Power Electri cal Sa
fety Guidelines ....................................................136
DC Power Electrical Safety Guidelines....................................................137
Copper Conductors War
ning .............................................................138
DC Power Disconnection Warning........................................................138
DC Power Grounding Requ
irements and Warning .......................................139
DC Power Wiring Sequence Warning.....................................................140
DC Power Wiring Terminat
ions Warning .................................................141
Grounded Equipment Warning ...........................................................142
In Case of Electrical Acc
ident .............................................................143
Midplane Energy Hazard Warning ........................................................143
Multiple Power Supplies D
isconnection Warning ........................................144
Ta b l e o f Conte n ts
vii