Figure 244: Installing A Three-Phase Delta Ac Power Distribution Module - Juniper MX2020 Hardware Manual

Copyright © 2015, Juniper Networks, Inc.
Push the lock levers completely in until they make contact with the PDM faceplate.
6.
Tighten the two captive screws on the locking levers of the PDM faceplate to secure
7.
the PDM in the chassis. Apply between 10 lb-in. (1.13 Nm) to 12 lb-in. (1.35 Nm) of
torque to each screw. Do not overtighten the screws.
Using a number 2 Phillips (+) screwdriver, loosen the four screws on the cover of the
8.
metal wiring compartment that protects the AC terminal block.

Figure 244: Installing a Three-Phase Delta AC Power Distribution Module

Remove the cover of the metal AC wiring compartment.
9.
Unscrew the retaining nut from the AC power cord.
10.
Place the retaining nut inside the metal wiring compartment.
11.
Put the wires of the AC power cord through the hole of the retaining nut and rubber
12.
grommet.
Put the wires of the AC power cord through the hole of the metal wiring compartment.
13.
Connect the wires to the AC terminal block on the three-phase delta AC PDM (see
14.
Figure 167 on page 326). Loosen each of the input terminals or grounding point screws,
and insert the wire into the grounding point or input terminal, and tighten the screw
(see Table 91 on page 327
To insert wires into the terminal block that serves six PSMs:
a. Insert the grounding wire into the grounding point labeled
b. Insert the wire labeled
c. Insert the wire labeled
d. Insert the wire labeled
for approved AC wire gauge).
into the input terminal labeled
L1
into the input terminal labeled
L2
into the input terminal labeled
L3
Chapter 25: Replacing Components
.
GND
.
A1
.
B1
.
C1
515