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Juniper T640 - Page 8

Juniper T640
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Chapter 22 Providing Power to the T640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Tools and Parts Required to Provide Power to the T640 Router . . . . . . . . . . . . . 219
Connecting DC Power to a T640 Router with Two-Input 160-A DC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Connecting DC Power to a T640 Router with Three-input 240-A DC Power
Supplies (2-INPUT Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Connecting DC Power to a T640 Router with Four-Input 240-A DC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Connecting DC Power to the T640 Router (Six 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Connecting DC Power to the T640 Router (Five 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Connecting DC Power to the T640 Router (Four 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Powering On a DC-Powered T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Connecting AC Power to a T640 Router with Three-Phase Delta AC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Connecting AC Power to a T640 Router with Three-Phase Wye AC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Powering On an AC-Powered T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Powering Off the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Chapter 23 Configuring the Junos OS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Preparing to Configure the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Initially Configuring the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Entering Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Configuring User Accounts and Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Configuring System Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Committing the Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Configuring DC Power on a T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Configuring DC Power on a T640 Router (Five 60-A Cables on a Six-Input
DC Power Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Configuring DC Power on a T640 (Four 60-A Cables on a Six-Input DC
Power Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Part 4 Installing and Replacing Components
Chapter 24 Overview of Installing and Replacing Components . . . . . . . . . . . . . . . . . . . 261
T640 Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Tools and Parts Required to Replace the T640 Hardware Components . . . . . . 262
Chapter 25 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Replacing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Removing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Installing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Replacing the T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Removing a T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Installing a T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Replacing the T640 Alarm Relay Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Replacing the T640 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Copyright © 2017, Juniper Networks, Inc.viii
T640 Core Router Hardware Guide

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