Figure 173: Removing A 120-A Input Power Tray - Juniper PTX5000 Hardware Manual

PTX5000 Packet Transport Router Hardware Guide
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Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
4.
the strap to one of the ESD points on the chassis at the front of the chassis.
Remove the PSMs in the front of the chassis from the PDU being removed
5.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
6.
the strap to one of the ESD points on the chassis at the back of the packet transport
router.
Switch the circuit breakers on the PDU faceplate to the off (
7.
NOTE: After powering off a PDU, you must wait at least 60 seconds before
turning it back on.
Loosen the captive screws that secure the input power trays to the PDU.
8.
Remove each input power tray from the PDU.
9.

Figure 173: Removing a 120-A Input Power Tray

NOTE: It is not necessary to remove the power cables from the input power
trays when you are replacing the PDU.
Loosen the four captive screws attaching the PDU handle to the PDU and chassis.
10.
Grasp the handle on the PDU faceplate and pull firmly down toward you. Slide the
11.
PDU halfway out of the chassis (see
O ) position.
Figure 174 on page 297).
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