Replacing A T640 Dc Power Supply Cable On A Six-Input Dc Power Supply; Supply; Figure 204: Connecting A Dc Power Cable To A Four-Input 240-A Dc Power - Juniper T640 Hardware Manual

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Replacing a T640 DC Power Supply Cable on a Six-Input DC Power Supply

Copyright © 2013, Juniper Networks, Inc.

Figure 204: Connecting a DC Power Cable to a Four-Input 240-A DC Power

Supply

Cable lug
Locking
washer
Nut
T640 Power System Description on page 60
Maintaining the T640 Power Supplies on page 194
T640 DC Power Supply Electrical Specifications on page 428
Site Electrical Wiring Guidelines for Juniper Networks Devices on page 426
Removing a T640 DC Power Supply Cable from a Six-Input DC Power
1.
Supply on page 341
2. Installing a T640 DC Power Supply Cable on a Six-Input DC Power Supply on page 342
Removing a T640 DC Power Supply Cable from a Six-Input DC Power Supply
To remove a DC power supply cable from a six-input DC power supply:
Switch off the customer site circuit breakers for all the cables attached to the power
1.
supply. Make sure that the voltage across the DC power source cable leads is 0 V and
that there is no chance that the cables might become active during the removal
process.
Remove the power cable from the external DC power source.
2.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
3.
Chapter 17: Replacing T640 Router Hardware Components
Terminal studs
341