Juniper T640 Hardware Manual page 383

Copyright © 2013, Juniper Networks, Inc.
Place the retaining nut inside the metal wiring compartment.
10.
Put the wires of the AC power cord through the hole of the metal wiring compartment.
11.
Screw the retaining nut onto the AC power cord to secure it to the metal wiring
12.
compartment.
For a three-phase delta AC power supply, connect the wires to the AC terminal block
13.
(Figure 213 on page 352). Loosen each of the input terminal or grounding point screws,
insert the 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.
Verify that the power cord wire connections are correct.
14.
Using a number 2 Phillips (+) screwdriver, tighten the two captive screws on the metal
15.
AC wiring compartment.
Verify that the AC power cord is not touching or blocking access to router components,
16.
and that it does not drape where people could trip on it.
Remove the (ESD) grounding strap from the ESD points on the chassis. Connect the
17.
strap to an approved site ESD grounding point. See the instructions for your site.
Connect the AC power cord plug to the power source.
18.
Switch on the customer site circuit breakers to provide voltage to the AC power cord.
19.
Remove the (ESD) grounding strap from the approved site ESD grounding point. See
20.
the instructions for your site. Reconnect the strap to one of the ESD points on the
chassis.
Verify that the LED on the power supply faceplate is lit steadily, indicating that
AC OK
21.
the AC terminal block is receiving power.
Switch the power switch on the power supply to the
22.
to the router components.
Verify that the LED on the power supply faceplate is lit steadily, indicating that
DC OK
23.
the power supply is correctly installed and is functioning properly. The
blinks momentarily, then lights steadily.
Chapter 17: Replacing T640 Router Hardware Components
into the grounding point labeled
GND
L1 into the L1 input terminal
into the input terminal.
L2 L2
into the input terminal.
LC3 LC3
.
GND
position ( ) to provide power
ON |
DC OK LED
351