Figure 74: Connecting Power To A Three-Phase Wye Ac Power Distribution; Module - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide
124

Figure 74: Connecting Power to a Three-Phase Wye AC Power Distribution

Module

NOTE: The three-phase wye AC PDM terminal blocks will be flipped
depending on which slot the PDM gets plugged into.
NOTE: The color of each AC power wire might vary. The MX2020 chassis
is not sensitive to phase rotation sequence—either CW or CCW will operate
correctly.
To connect wires to the terminal block that serves three PSMs:
a. Insert the grounding wire into the grounding point labeled
b. Insert the wire into the input terminal labeled
c. Insert the wire into the input terminal labeled
d. Insert the wire into the input terminal labeled
e. Insert the wire into the input terminal labeled
Verify that the power cable connections are correct.
13.
Reinstall the metal PDM wiring cover, and using a number 2 Phillips (+) screwdriver,
14.
tighten the four captive screws on the metal AC wiring compartment.
Use the provided plastic cable tie to fasten the AC power cord to the PDM.
15.
.
GND
.
A2
.
B2
.
C2
N2 .
Copyright © 2013, Juniper Networks, Inc.