Juniper T640 Hardware Guide

Figure 32: Enhanced Scaling FPC2 Supported by the T640 Router . . . . . . . . . . . . 74
Figure 33: Enhanced Scaling FPC3 Supported by the T640 Router . . . . . . . . . . . . 75
Figure 34: Enhanced Scaling FPC4 Supported by the T640 Router . . . . . . . . . . . 76
Figure 35: T640 Enhanced Scaling FPC4-1P Supported by the T640 Router . . . . 77
Chapter 7 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 36: Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 37: Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Figure 38: Three-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . 101
Figure 39: Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 40: Four-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . 103
Figure 41: Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Figure 42: Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 43: Three-Phase Delta AC Power Supply Connections . . . . . . . . . . . . . . . 107
Figure 44: Three-Phase Delta AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Figure 45: Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Figure 46: Three-Phase Wye AC Power Supply Connections . . . . . . . . . . . . . . . . 109
Figure 47: Wye Three-Phase AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 48: Delta AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Chapter 8 Switch Fabric Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . 111
Figure 49: Standard SIB or Standard SIB Version B . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 50: T640-SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Part 2 Site Planning, Preparation, and Specifications
Chapter 9 Preparation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Figure 51: T640 DC Power and Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . 119
Figure 52: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 53: T640 Chassis Dimensions and Clearance Requirements . . . . . . . . . . 122
Chapter 10 DC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 125
Figure 54: Typical DC Source Cabling from PEM0 to Feed A . . . . . . . . . . . . . . . . . 131
Figure 55: Typical DC Source Cabling from PEM1 to Feed B . . . . . . . . . . . . . . . . . 131
Figure 56: T640 DC Power Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Chapter 11 AC Power Requirements and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 57: Three-Phase Delta AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 58: Three-Phase Wye AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Part 3 Initial Installation and Configuration
Chapter 15 Unpacking the T640 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 59: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Chapter 16 Installing the Rack Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 60: Positioning the Spacer Bar on the Rack . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 61: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . . 162
Figure 62: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 164
Chapter 18 Installing the T640 Router With a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 169
Figure 63: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 171
Copyright © 2017, Juniper Networks, Inc.xviii
T640 Core Router Hardware Guide

Juniper T640 Specifications

General

Brand	Juniper
Model	T640
Category	Network Router
Language	English