Supplies - Juniper T640 Hardware Manual

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Connecting AC Power to a T640 Router with Three-Phase Wye AC Power Supplies
Copyright © 2013, Juniper Networks, Inc.
Verify that the AC power cord is not touching or blocking access to router components,
15.
and that it does not drape where people could trip on it.
Repeat the procedure for the other three-phase delta AC power supply.
16.
T640 Three-Phase Delta and Wye AC Power Supply Description on page 71
Powering On an AC-Powered T640 Router on page 167
T640 AC Power Electrical Safety Guidelines on page 413
T640 AC Power Cord Specifications on page 439
T640 Preventing Electrostatic Discharge Damage on page 386
To connect an AC power cord:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch off the customer site circuit breakers. Ensure that the voltage across the AC
2.
power source is 0 V and that there is no chance that the voltage might become active
during installation.
Detach the ESD grounding strap from the approved site ESD grounding point, and
3.
connect the strap to one of the ESD points on the chassis.
Switch the power switch on the power supply faceplate to the standby position.
4.
Using a number 2 Phillips (+) screwdriver, loosen the two captive screws on the metal
5.
AC wiring compartment.
Open the metal door of the metal AC wiring compartment.
6.
Unscrew the retaining nut from the AC power cord.
7.
Place the retaining nut inside the metal wiring compartment.
8.
Put the wires of the AC power cord through the hole of the metal wiring compartment.
9.
Screw the retaining nut onto the AC power cord to secure it to the metal wiring
10.
compartment.
Chapter 13: Providing Power to the T640 Router
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