Connecting Dc Power To A T640 Router With Three-Input 240-A Dc Power Supplies (2-Input Mode); Figure 98: Connecting Dc Power To A Two-Input 160-A Dc Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
Related
Documentation
Connecting DC Power to a T640 Router with Three-input 240-A DC Power Supplies
(2-INPUT Mode)
222

Figure 98: Connecting DC Power to a Two-Input 160-A DC Power Supply

Connecting the T640 Grounding Cable on page 208
Connecting DC Power to a T640 Router with Three-input 240-A DC Power Supplies
(2-INPUT Mode) on page 222
T640 General Electrical Safety Guidelines and Electrical Codes on page 529
Site Electrical Wiring Guidelines for Juniper Networks Devices on page 538
To connect the DC source power cables to the T640 router:
Ensure that the voltage across the DC power source cable leads is 0 V and that there
1.
is no chance that the cable leads might become active during installation.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Verify that the input mode switch is correctly set to
3.
Input Mode Switch on a Three-Input 240-A DC Power Supply for a T640 Router" on
page 360.
Replace the cable restraint, if needed. See
4.
Three-Input 240-A DC Power Supply" on page
2–INPUT mode. See
"Replacing the T640 Cable Restraint on a
361.
Copyright © 2017, Juniper Networks, Inc.
"Setting the