Installing A Ptx5000 120-A Dc Pdu Power Cable; Figure 178: Disconnecting The Dc Source Power Cable Lugs To An Input Power - Juniper PTX5000 Hardware Manual

Installing a PTX5000 120-A DC PDU Power Cable

Copyright © 2017, Juniper Networks, Inc.
Figure 178: Disconnecting the DC Source Power Cable Lugs to an Input
Power Tray
Cable restraint
To install a DC power cable:
Make sure that the voltage across the DC power source cable leads is 0 V and that
1.
there is no chance that the cables might become active. Verify that the
LEDs on the PDU faceplate are off.
Switch the circuit breaker for the input power tray on the PDU faceplate to the off (
2.
position.
Route the positive (+) DC source power cable lug through the left cable restraint.
3.
Secure the positive (+) DC source power cable lug to the
4.
on the left, with a nut.
Use a 7/16-in. (11-mm) nut driver to tighten the nut.
Route the negative (–) DC source power cable lug through the right cable restraint.
5.
Attach the negative (–) DC source power cable lug to the
6.
located on the right.
Use a 7/16-in. (11-mm) nut driver to tighten the nut.
Chapter 27: Removing and Installing Power System Components
RTN
–48 V 120 A
O
(return) terminal, located
(input) terminal,
–48V
301
)