Juniper MX2020 Hardware Manual page 381

Figure 163: Three-Phase Delta AC Power Cord
4. Remove the ESD grounding strap from the approved site ESD grounding point. See the instructions
for your site. Reconnect the strap to one of the ESD points on the chassis.
5. Using a number 2 Phillips (+) screwdriver, loosen the four screws on the cover of the metal wiring
compartment that protects the AC terminal block.
6. Remove the cover of the metal AC wiring compartment.
7. Disconnect the wires from the AC terminal block on the three-phase delta AC PDM (see
Figure 164 on page 362), loosen each of the input terminals or grounding point screws, and remove
each wire form the grounding point or input terminal.
To remove wires from the terminal block that serves six PSMs:
a. Remove the wire labeled L3 from the input terminal labeled C1.
b. Remove the wire labeled L2 from the input terminal labeled B1.
c. Remove the wire labeled L1 from the input terminal labeled A1.
d. Remove the grounding wire from the grounding point labeled GND.
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