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Juniper T640 Hardware Guide

Juniper T640
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Part 6 Troubleshooting Hardware
Chapter 33 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
Overview of Troubleshooting Resources for the T640 Router . . . . . . . . . . . . . . . 463
T640 LED Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464
Craft Interface LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464
Component LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
T640 Alarm Messages Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Troubleshooting the T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467
Troubleshooting the T640 SONET Clock Generators . . . . . . . . . . . . . . . . . . . . . 468
Troubleshooting the T640 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469
Troubleshooting the T640 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472
Troubleshooting the T640 Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473
Troubleshooting the T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
Troubleshooting the T640 PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475
Troubleshooting the T640 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476
Troubleshooting the T640 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479
Part 7 Contacting Customer Support and Returning the Chassis or
Components
Chapter 34 Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483
Chapter 35 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485
Locating T640 Component Serial Numbers Using the CLI . . . . . . . . . . . . . . . . . 485
T640 Component Serial Number Label Locations . . . . . . . . . . . . . . . . . . . . . . . 486
Control Board Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486
CIP Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
Craft Interface Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
FPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 488
PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 488
Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489
Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 490
SCG Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491
SIB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491
Chapter 36 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . 493
Tools and Parts Required to Remove Components from a T640 Router . . . . . . 494
Packing the T640 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494
Packing T640 Router Components for Shipment . . . . . . . . . . . . . . . . . . . . . . . . 496
Part 8 Safety and Compliance Information
Chapter 37 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501
Definition of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . 503
xiiiCopyright © 2017, Juniper Networks, Inc.
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Juniper T640 Specifications

General IconGeneral
BrandJuniper
ModelT640
CategoryNetwork Router
LanguageEnglish

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