Installing A Ptx5000 120-A Dc Pdu - Juniper PTX5000 Hardware Manual

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WARNING: Do not touch the power connectors on the rear of the PDU. They can

contain dangerous voltages.

CAUTION: Each PDU weighs approximately 60 lb (27.2 kg). Be prepared to support the

full weight of the PDU as you remove it from the PTX5000.

CAUTION: Do not leave a PDU slot empty for more than a short time while the

PTX5000 is operational. For proper airflow, the PDU must remain in the chassis or a

blank panel must be used in an empty slot.

Installing a PTX5000 120-A DC PDU

Each PDU weighs approximately 60 lb (27.2 kg). The input power tray weighs 1.6 lb (0.7 kg). To install a

Make sure that the voltage across the DC power source cable leads is 0 V and that there is no

chance that the cables might become active during installation.

Verify that the –48 V 120 A LEDs on the PDU faceplate are off.

Switch the circuit breakers on the PDU faceplate to the OFF position (O).

Remove the input power trays from the replacement PDU. Store the input power trays.

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