Removing A T1600 Three-Phase Wye Ac Power Supply Cord - Juniper T1600 Hardware Manual

Copyright © 2010, Juniper Networks, Inc.

Removing a T1600 Three-Phase Wye AC Power Supply Cord

To remove a three-phase wye AC power supply cord:
Switch off the customer site circuit breakers to the power supply being removed. Make
1.
sure that the voltage across the AC power source cord is 0 V and that there is no
chance that the power cord might become active during the removal process.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Switch the power switch on the power supply faceplate to the standby position.
3.
NOTE: After powering off a power supply, wait at least 60 seconds before
turning it back on.
Remove the ESD grounding strap from the ESD point on the chassis, and attach it to
4.
an approved site ESD grounding point. See the instructions for your site.
Disconnect the AC power cord (see Figure 178 on page 297) from the power source.
5.
Figure 178: Three-Phase Wye AC Power Supply
Remove the ESD grounding strap from the approved site ESD grounding point. See
6.
the instructions for your site. Reconnect the strap to one of the ESD points on the
chassis.
Using a number 2 Phillips (+) screwdriver, unscrew the two screws on the metal cover
7.
protecting the AC terminal block.
Chapter 17: Replacing T1600 Router Hardware Components
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