Juniper T640 Quick Start Manual page 37

Copyright © 2015, Juniper Networks, Inc.
Connecting Power to a T640 Router with Three-Phase Wye AC Power Supplies
Connect the wires to the AC terminal block on the three-phase wye AC power supply
11.
(Figure 21 on page 37). 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 21: 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.
Figure 22: Fastening the AC Power Cord to the Power Supply
GND into the grounding point labeled
into the input terminal.
L1 L1
L2 into the L2 input terminal.
into the input terminal.
L3 L3
N into the N input terminal
L1 L2 L3 N
GND .
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