Figure 113: Connecting Power To The Three-Phase Wye Ac Power Supply - Juniper T640 Hardware Manual

Copyright © 2017, Juniper Networks, Inc.
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 wye AC power supply
11.
(Figure 113 on page 245). Loosen each of the input terminals or grounding point screws,
insert each wire into the grounding point or input terminal, and tighten the screw.
NOTE: The terminal connections have either slotted screws or hex screws.
Use a 1/4-in. slotted screwdriver for the slotted screws. Use a 5/32-in
(4-mm) Allen wrench for the 5/16-in hex screws.
Insert the wire labeled
a.
Insert the wire labeled
b.
Insert the wire labeled
c.
Insert the wire labeled
d.
Insert the wire labeled
e.

Figure 113: Connecting Power to the Three-Phase Wye AC Power Supply

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.
Chapter 22: Providing Power to the T640
into the grounding point labeled
GND
into the input terminal.
L1 L1
into the input terminal.
L2 L2
into the input terminal.
L3 L3
into the input terminal
N N
L1 L2 L3 N
.
GND
245