Installing A Ptx5000 120-A Dc Pdu; Figure 175: Installing A 120-A Dc Pdu - Juniper PTX5000 Hardware Manual

PTX5000 Packet Transport Router Hardware Guide

Installing a PTX5000 120-A DC PDU

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Each PDU weighs approximately 60 lb (27.2 kg). The input power tray weighs 1.6 lb
(0.7 kg). To install a PDU:
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 installation.
Verify that the –48 V 120 A
2.
Switch the circuit breakers on the PDU faceplate to the
3.
Remove the input power trays from the replacement PDU. Store the input power trays.
4.
Using both hands, slide the PDU into the chassis until you feel resistance (see
5.
Figure 175 on page 298).

Figure 175: Installing a 120-A DC PDU

Push the metal handle up toward the PDU.
6.
Tighten the captive screws on the metal handle. Use a Phillips (+) screwdriver.
7.
Slide the input power trays into the new PDU
8.
LEDs on the PDU faceplate are off.
(Figure 176 on page
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299).