Juniper T640 Hardware Guide

Replacing a CompactFlash Card in a T640 RE-C1800 Routing Engine . . . . . . . 320
Preparing to Replace a CompactFlash Card in a T640 RE-C180 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Removing a CompactFlash Card in a T640 RE-C1800 Routing Engine . . . . 321
Installing a CompactFlash Card in a T640 RE-C1800 Routing Engine . . . . . 322
Copying the Junos OS to the CompactFlash Card in a T640 RE-C1800
Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Replacing a DIMM Module in a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . 324
Removing a T640 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Installing a T640 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Replacing a PC Card in a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Removing a T640 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Installing a T640 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Replacing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . . . . . . . . 327
Preparing to Replace a Solid-State Disk in a T640 RE-C1800 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Removing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . . . . 328
Installing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . . . . . 329
Copying the Junos OS to the Solid-State Disk in a T640 RE-C1800 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Chapter 28 Replacing Line Card Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Replacing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Removing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Installing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Replacing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
Removing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Installing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343
Replacing T640 PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Removing a T640 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346
Installing a T640 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347
Chapter 29 Replacing Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Replacing a T640 Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . . . . . 349
Removing a T640 Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . 349
Installing a T640 Two-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . 352
Replacing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . 356
Removing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . 357
Setting the Input Mode Switch on a Three-Input 240-A DC Power Supply
for a T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Installing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . 361
Replacing the T640 Cable Restraint on a Three-Input 240-A DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361
Removing the T640 Standard Cable Restraint from a Three-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Installing the T640 Optional Cable Restraint on a Three-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Connecting DC Power to a Three-Input 240-A DC Power Supply in a T640
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363
Copyright © 2017, Juniper Networks, Inc.x
T640 Core Router Hardware Guide

Juniper T640 Specifications

General

Brand	Juniper
Model	T640
Category	Network Router
Language	English