Replacing A Ptx5000 60-A Or 120-A Dc Psm; Removing A Ptx5000 60-A Or 120-A Dc Psm; Figure 180: Installing A 120-A Input Power Tray - Juniper PTX5000 Hardware Manual

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Replacing a PTX5000 60-A or 120-A DC PSM

Removing a PTX5000 60-A or 120-A DC PSM

Copyright © 2017, Juniper Networks, Inc.
Verify that the source power cables are connected to the appropriate terminal: the
8.
positive (+) source cable to the return terminal (labeled
source cable to the input terminal (labeled
Close the input power tray cover, and secure it with the screw..
9.
Insert the input power tray into the PDU.
10.

Figure 180: Installing a 120-A Input Power Tray

Understanding Normal-Capacity Power System Power Zones on page 71
PTX5000 Power Distribution Unit LEDs on page 56
Removing a PTX5000 60-A or 120-A DC PSM on page 303
1.
Installing a PTX5000 60-A or 120-A DC PSM on page 304
2.
To remove a 60-A or 120-A DC PSM:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Loosen the captive screws on the door covering the PSM and open the door.
2.
Loosen the captive screw on the PSM ejector handle.
3.
Grasp the ejector handle and pull to eject the PSM. Slide it halfway out of the chassis
4.
(see Figure 181 on page
Chapter 27: Removing and Installing Power System Components
).
–48V
304).
) and the negative (–)
RTN
303