Replacing A Ptx5000 Three-Phase Delta Ac Pdu; Removing A Ptx5000 Three-Phase Delta Ac Pdu - Juniper PTX5000 Hardware Manual

PTX5000 Packet Transport Router Hardware Guide
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Replacing a PTX5000 Three-Phase Delta AC PDU

Removing a PTX5000 Three-Phase Delta AC PDU

310
Verify that the
4. Input 1 OK
PSM is receiving power.
Verify that the
5. Input 2 OK
power output is steady.
Installing the High Capacity PSM Sleeves on page 380
Understanding Normal-Capacity Power System Power Zones on page 71
PTX5000 Power Distribution Unit LEDs on page 56
Removing a PTX5000 Three-Phase Delta AC PDU on page 310
1.
Installing a PTX5000 Three-Phase Delta AC PDU on page 315
2.
The PTX5000 Packet Transport Router has two redundant, load-sharing PDUs. Each
PDU is hot-insertable and hot-removable. The PDU weighs 51.2 lb (23.2 kg).
To remove a three-phase delta PDU:
Switch off the customer-site circuit breakers to the PDU being removed.
1.
Switch the circuit breaker and the power
2.
the PDU to the off ( O ) position.
Disconnect the AC power cord from the power source.
3.
NOTE: After powering off a PDU, you must wait at least 60 seconds before
turning it back on.
Make sure that the voltage across the AC power cord is 0 V and that there is no chance
4.
that the AC power cord might become active during the removal process. Verify that
the 200-240 V ~ 60 A 50-60 Hz
LED on the PSM faceplate is lit steadily, indicating that the
LED on the PSM faceplate is lit steadily, indicating that the
switch located on the faceplate of
OUTPUT
LED on the PDU faceplate is off.
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