Juniper Internet Router M160 Hardware Manual page 10

M160 Internet Router Hardware Guide
Chapter 12
Part 4
Appendix A
x
Table of Contents
Troubleshooting Hardware
Overview of Troubleshooting Resources . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 207
Command-Line Interface . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 207
LEDs . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..208
LEDs on the Craft Interface.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..208
LEDs on Hardware Components .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..209
Chassis and Interface Alarm Messages.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..209
Blown Fuse Indicators .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 211
Juniper Networks Technical Assistance Center . .. .. .. .. .. .. .. .. .. .. .. .. .. .. 212
Troubleshooting the Cooling System . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 212
Troubleshooting Packet Forwarding Engine Components .. .. .. .. .. .. .. .. .. .. .. 213
Troubleshooting FPCs. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 214
Troubleshooting PICs . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 215
Troubleshooting the Power System. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 215
All LEDs on Both Supplies Are Off . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 215
All LEDs on One Supply Are Off or LED States Are not Correct. .. .. .. .. .. 216
Appendixes
Safety and Regulatory Compliance
Definition of Safety Warning Levels .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 221
Safety Guidelines and Warnings .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..222
General Safety Guidelines and Warnings.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..224
Qualified Personnel Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..225
Restricted Access Area Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..225
Preventing Electrostatic Discharge Damage . .. .. .. .. .. .. .. .. .. .. .. .. ..226
Electrical Safety Guidelines and Warnings .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..227
General Electrical Safety Guidelines .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..229
DC Power Electrical Safety Guidelines.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..229
Copper Conductors Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..230
DC Power Disconnection Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 231
DC Power Grounding Requirements and Warning. .. .. .. .. .. .. .. .. .. ..232
DC Power Wiring Sequence Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..233
DC Power Wiring Terminations Warning. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..234
Grounded Equipment Warning.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..235
In Case of Electrical Accident . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..236
Midplane Energy Hazard Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..236
Multiple Power Supplies Disconnection Warning .. .. .. .. .. .. .. .. .. .. ..236
Power Disconnection Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..237
TN Power Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..238
Installation Safety Guidelines and Warnings .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..239
Chassis Lifting Guidelines . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..239
Installation Instructions Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..239
Rack-Mounting Requirements and Warnings .. .. .. .. .. .. .. .. .. .. .. .. ..240
Ramp Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..244
Laser and LED Safety Guidelines and Warnings .. .. .. .. .. .. .. .. .. .. .. .. .. ..244
General Laser Safety Guidelines. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..245
Class 1 Laser Product Warning .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..245
Class 1 LED Product Warning . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..245
Components..
Information. .
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221