Installing a T640 Three-Phase Wye AC Power Supply Cord
To install a three-phase wye AC power supply cord:
1. Make sure that the voltage across the AC power cord leads is 0 V and that there is no
chance that the power cord might become active during installation.
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. Switch the power switch on the power supply faceplate to the standby position.
4. Using a slotted screwdriver, loosen the two screws securing the door of the metal
wiring compartment.
5. Open the door of the metal wiring compartment.
6. Place the retaining screw into the metal wiring compartment.
7. Unscrew the retaining nut from the AC power cord.
8. Place the retaining nut inside the metal wiring compartment.
9. Put the wires of the AC power cord through the hole of the metal wiring compartment.
10. Screw the retaining nut onto the AC power cord to secure it to the metal wiring
compartment.
Copyright © 2017, Juniper Networks, Inc.418
T640 Core Router Hardware Guide
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