Figure 215: Three-Phase Delta Ac Power Supply - Juniper T640 Hardware Manual

Copyright © 2013, Juniper Networks, Inc.
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
5.

Figure 215: Three-Phase Delta 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, loosen the two screws on the door of the
7.
metal wiring compartment that protects the AC terminal block.
Open the door of the metal wiring compartment.
8.
Chapter 17: Replacing T640 Router Hardware Components
Figure 215 on page 355) from the power source.
355