Figure 104: Connecting Power To A Three-Phase Delta Ac Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
164
Connect the wires to the AC terminal block on the three-phase delta AC power supply
11.
(Figure 104 on page 164). Loosen the input terminal or grounding point screw, 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.

Figure 104: 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
L2 into the L2 input terminal.
into the input terminal.
L3 L3
L1 L2 L3
GND .
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