Replacing An M320 Dc Power Supply; Removing An M320 Dc Power Supply - Juniper M320 Hardware Manual

M320 Multiservice Edge Router Hardware Guide

Replacing an M320 DC Power Supply

Removing an M320 DC Power Supply

250
M320 AC Power Electrical Safety Warning on page 346
Removing an M320 DC Power Supply on page 250
1.
2. Installing an M320 DC Power Supply on page 252
The power supplies are located at the rear of the chassis below the SIBs. Each power
supply weighs approximately 10 lb (4.5 kg).
NOTE: After powering off a power supply, wait at least 60 seconds before
turning it back on.
To remove a DC power supply:
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 during the removal process.
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.
Switch the circuit breaker on the DC power supply faceplate to the off position (
3.
Remove the clear plastic cover protecting the terminal studs on the faceplate.
4.
Remove the nuts and washers from the terminal studs (see
5.
(Use a 7/16-in. (11 mm) nut driver.)
Figure 105 on page
Copyright © 2015, Juniper Networks, Inc.
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251).