Juniper MX2020 Hardware Manual page 400

7. Tighten the two captive screws on the locking levers of the PDM faceplate to secure the PDM in the
chassis.
8. Using a number 2 Phillips (+) screwdriver, loosen the four screws on the cover of the metal wiring
compartment that protects the AC terminal block.
9. Remove the cover of the metal AC wiring compartment.
10. Unscrew the retaining nut from the AC power cord.
11. Place the retaining nut inside the metal wiring compartment.
12. Insert the wires of the AC power cord through the hole of the retaining nut and rubber grommet.
13. Insert the wires of the AC power cord through the hole of the metal wiring compartment.
14. Connect the wires to the AC terminal block on the three-phase wye AC PDM (see
Figure 180 on page 381). Loosen each of the input terminals or grounding point screws, insert the wire
into the grounding point or input terminal, and tighten the screw (see
AC wire gauge).
To insert wires into the terminal block that serves six PSMs:
a. Insert the grounding wire into the grounding point labeled GND.
b. Insert the wire labeled L1 into the input terminal labeled A1.
c. Insert the wire labeled L2 into the input terminal labeled B1.
d. Insert the wire labeled L3 into the input terminal labeled C1.
e. Insert the wire labeled N into the input terminal labeled N1.
Table 100 on page 382 for approved
380