Juniper MX2020 Hardware Manual page 663

Table 104: Supported Three-Phase Wye AC Wire Gauge (continued)
5 x 10-AWG or equivalent
NOTE: We recommend that you use the proper gauge wire in order for the cable clamps
to hold the AC cables. Using smaller gauge wiring will result in the cable clamps not
tightening properly.
WARNING:
only.
11. Verify that the power cord wire connections are correct.
12. Screw the retaining nut onto the AC power cord to secure it to the metal wiring compartment.
13. Reinstall the metal PDM wiring cover, and using a number 2 Phillips (+) screwdriver, tighten the four
captive screws on the metal AC wiring compartment.
14. Verify that the AC power cord is not touching or blocking access to router components, and that it
does not drape where people could trip on it.
15. Remove the ESD grounding strap from the ESD points on the chassis. Connect the strap to an approved
site ESD ground point. See the instructions for your site.
16. Connect the AC power cord plug to the power source.
17. Switch on the customer site circuit breakers to provide voltage to the AC power cord.
18. 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.
19. Verify the LED on the PDM faceplate is lit steadily, indicating that the AC terminal block is receiving
power.
20. Switch the power switch on the PSM to the on position (|) to provide power to the router components.
5 conductor wires, each wire is 10-AWG
Power connections must be performed by a licensed electrician
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