Juniper T4000 Hardware Manual page 20

T4000 Router Hardware Guide
Part 4
Chapter 18
Chapter 19
Part 5
Appendix B
Appendix C
Appendix D
Appendix E
xx
Maintenance, Troubleshooting, and Replacement Procedures
Troubleshooting T4000 Router Hardware Components . . . . . . . . . . . . . . 189
Table 29: SONET/SDH Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . 192
Table 30: T4000 Cooling System Fan Tray Alarms . . . . . . . . . . . . . . . . . . . . . . . 193
Table 31: T4000 Temperature Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Table 32: Chassis Alarm Messages for the Craft Interface . . . . . . . . . . . . . . . . . . 196
Table 33: Chassis Alarm Messages for Host Subsystems . . . . . . . . . . . . . . . . . . . 197
Table 34: T4000 Chassis Alarm Messages for the Control Boards . . . . . . . . . . . 198
Table 35: Chassis Alarm Messages for the FPCs . . . . . . . . . . . . . . . . . . . . . . . . . 200
Table 36: Power System Chassis Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Table 37: Troubleshooting PDU LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Table 38: Chassis Alarm Messages for the SCGs . . . . . . . . . . . . . . . . . . . . . . . . . 209
Table 39: T4000 Chassis Alarm Messages for SIBs . . . . . . . . . . . . . . . . . . . . . . . 210
Replacing T4000 Router Hardware Components . . . . . . . . . . . . . . . . . . . . 215
Table 40: Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Table 41: Tools and Parts Required for Component Replacement . . . . . . . . . . . . 217
Table 42: Effect of Taking the Host Subsystem Offline . . . . . . . . . . . . . . . . . . . . 249
Appendixes
T4000 Router Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Table 43: Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
T4000 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 333
Table 44: Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Power Guidelines, Requirements, and Specifications . . . . . . . . . . . . . . . . . 335
Table 45: Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Table 46: DC Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . 336
Table 47: Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 337
Table 48: Typical DC Power Requirements for T4000 Components . . . . . . . . . 338
Table 49: DC Power Cables Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
T4000 Router Cable and Wire Specifications, Pinouts, and Guidelines . . 345
Table 50: Ethernet Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Table 51: SONET/SDH Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Table 52: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 349
Table 53: Cable Specifications for Routing Engine Management . . . . . . . . . . . . 350
Table 54: RJ-45 Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Table 55: DB-9 Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
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