Juniper T640 Hardware Guide

Powering On a T640 Replacement Three-Input 240-A DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Replacing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . 366
Removing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . 366
Installing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . 370
Replacing a T640 DC Power Supply Cable on a Two-Input 160-A Power Supply,
Three-Input 240-A DC Power Supply, or a Four-Input 240-A DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Removing a T640 DC Power Supply Cable from a Two-Input 160-A Power
Supply, Three-Input 240-A DC Power Supply, or a Four-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Installing a T640 DC Power Supply Cable on a Two-Input 160-A Power
Supply, Three-Input 240-A DC Power Supply, or a Four-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
Replacing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 380
Removing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . 381
Installing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . 383
Replacing a T640 DC Power Supply Cable on a Six-Input DC Power Supply . . . 386
Removing a T640 DC Power Supply Cable from a Six-Input DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Installing a T640 DC Power Supply Cable on a Six-Input DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Replacing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . . . . . . . . . 389
Removing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . . . . . 389
Installing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . . . . . . 389
Replacing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . . . . . . . . 389
Removing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . . . . . 390
Installing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . . . . . 390
Replacing a Front Air Filter Element on a T640 AC or DC Power Supply . . . . . . . 391
Removing a Front Air Filter Element on a T640 AC or DC Power Supply . . . 391
Installing a Front Air Filter Element on a T640 AC or DC Power Supply . . . . 392
Replacing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . . . . . . . . 393
Removing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . . . . 393
Installing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . . . . . 394
Replacing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . . . . . 396
Removing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . 396
Installing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . . 400
Replacing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . . . . . . . 404
Removing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . . . . 404
Installing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . . . . . 407
Replacing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . . . . . 410
Removing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . 410
Installing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . . 412
Replacing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . . . . . . . . . 416
Removing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . . . . . 416
Installing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . . . . . . 418
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Table of Contents

Juniper T640 Specifications

General

Brand	Juniper
Model	T640
Category	Network Router
Language	English