Juniper T640 Hardware Manual page 18

T640 Core Router Hardware Guide
Part 2
Chapter 4
Chapter 6
Chapter 7
Chapter 9
Chapter 10
Chapter 12
Chapter 13
xviii
Figure 37: Wye Three-Phase AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 38: Delta AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 39: Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 40: Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
T640 Router Initial Installation
Preparing for T640 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 41: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 42: T640 Chassis Dimensions and Clearance Requirements . . . . . . . . . . . 68
Unpacking the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 43: Contents of the T640 Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Installing the T640 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 44: Positioning the Spacer Bar on the Rack . . . . . . . . . . . . . . . . . . . . . . . . 80
Figure 45: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . . 81
Figure 46: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 83
Installing the T640 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 87
Figure 47: Removing a Power Supply Before Installing the Installation Handle . . 89
Figure 48: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Figure 49: Loading the Router onto the Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Figure 50: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Figure 51: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Installing the T640 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . 95
Figure 52: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 98
Figure 53: Removing a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Figure 54: Removing a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 55: Removing an SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Figure 56: Removing the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 57: Removing a Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 58: Removing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 59: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Figure 60: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 61: Reinstalling the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Figure 62: Reinstalling an SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 63: Reinstalling a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 64: Reinstalling a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Figure 65: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 66: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 67: Reinstalling a Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Connecting the T640 Router to External Devices . . . . . . . . . . . . . . . . . . . . . 117
Figure 68: Routing Engine Management Ports and Alarm Relay Contacts . . . . . . 118
Figure 69: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 119
Figure 70: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . . 119
Figure 71: Attaching a Cable to a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Providing Power to the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 72: Connecting DC Power to a Two-Input 160-A DC Power Supply . . . . . . 125
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