Juniper T4000 Hardware Manual page 16

T4000 Core Router Hardware Guide
Chapter 11
Part 3
Chapter 15
Chapter 16
Chapter 18
Chapter 19
Chapter 20
xvi
Figure 26: Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Figure 27: Chassis Dimensions and Clearance Requirements . . . . . . . . . . . . . . . . . 91
Figure 28: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
DC Power Specifications A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 29: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . . 105
Figure 30: DC Power Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Initial Installation and Configuration
Unpacking the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 31: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Installing the Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 32: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . . 131
Figure 33: Positioning the Spacer Bar on the Rack . . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 34: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 134
Figure 35: Removing the Center-Mounting Bracket . . . . . . . . . . . . . . . . . . . . . . . . 135
Installing the Router into a Rack With a Mechanical Lift . . . . . . . . . . . . . . . 139
Figure 36: Removing a DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 37: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 38: Lifting the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 39: Installing the Router in a Four-Post Rack . . . . . . . . . . . . . . . . . . . . . . . 144
Figure 40: Reinstalling the Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Installing the Router into a Rack Without a Mechanical Lift . . . . . . . . . . . . 147
Figure 41: Components to Remove from the Rear of the T4000 Router . . . . . . . 149
Figure 42: Components to Remove from the Front of the T4000 Router . . . . . . 150
Figure 43: Removing a Six-Input DC Power Supply Before Installing the
Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 44: Removing a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 45: Removing a Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 46: Removing the SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Figure 47: Removing the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 48: Removing an Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 49: Removing a Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 50: Removing an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 51: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 52: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Figure 53: Reinstalling the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Figure 54: Reinstalling an SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Figure 55: Reinstalling an LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 56: Reinstalling a T4000 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Figure 57: Reinstalling a Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . 169
Figure 58: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Figure 59: Reinstalling an Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 60: Reinstalling a Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Connecting the Router to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Figure 61: Grounding Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
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