Figure 75: Connecting Power To A Three-Phase Delta Ac Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
132
Screw the retaining nut onto the AC power cord to secure it to the metal wiring
10.
compartment.
Connect the wires to the AC terminal block on the three-phase delta AC power supply
11.
(Figure 75 on page 132). Use 1/4-in. slotted screwdriver to loosen the input terminal or
grounding point screw, insert each wire into the grounding point or input terminal, and
tighten the screw.
Insert the wire labeled
a.
Insert the wire labeled
b.
Insert the wire labeled
c.
Insert the wire labeled
d.

Figure 75: Connecting Power to a Three-Phase Delta AC Power Supply

L1 L2 L3
NOTE: The color of each AC power wire might vary.
Verify that the power cable connections are correct.
12.
Using a number 2 Phillips (+) screwdriver, tighten the two captive screws on the metal
13.
AC wiring compartment.
Use the provided plastic cable tie to fasten the AC power cord to the power supply.
14.
GND into the grounding point labeled
into the input terminal.
L1 L1
into the input terminal.
L2 L2
into the input terminal.
L3 L3
L1 L2 L3
Copyright © 2010, Juniper Networks, Inc.
GND .