5. Remove the clear plastic cover protecting the terminal studs on the faceplate.
6. Using a socket screw driver, remove the screw from each of the DC power terminals (see
Figure 79 on page
124).
7. Remove the cable lugs from the terminals.
8. Carefully move the power cables out of the way.
9. Press the latch located on the DC PSM, to release it from the chassis.
10. Pull the PSM straight out of the chassis (see
Figure 79: Disconnect the DC Power Cables
Figure 80: Remove a DC PSM
Install an ACX5400 DC Power Supply Module
WARNING:
from the DC circuit. To ensure that all power is off, locate the circuit breaker on the
panel board that services the DC circuit, switch the circuit breaker to the off position,
and tape the switch handle of the circuit breaker in the off position.
Figure 80 on page
Before performing DC power procedures, ensure that power is removed
124).
124