Juniper PTX5000 Hardware Manual page 320

Packet transport router

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Operating system halted.

Please press any key to reboot.

2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to

one of the ESD points on the chassis.

3. Move the power switch on the PDU to the off (O) position.

4. Perform these additional steps for your specific PDU:

• 120-A DC PDU—Switch the circuit breakers on the PDU to the off (O) position.

• 60-A DC PDU—Switch the power input switches on the PDU to the off (O) position.

• Three-phase delta AC PDU or three-phase wye AC PDU—Switch the circuit breaker on the PDU

to the off (O) position.

5. Repeat steps 3 and 4 for the other PDU.

6. Verify that the PDU OK LED on the PDU faceplate is off. Verify that these additional LEDs are off for

your specific PDU:

• 120-A DC PDU—Verify that the CB ON LED is off.

• 60-A DC PDU—Verify that the SW ON LED is off.

• Three-phase delta AC PDU or three-phase wye AC PDU—Verify that the CB ON LED is off.

NOTE: After powering off a power supply, you must wait at least 60 seconds before powering

it on again.

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