Replacing The Power Entry Module - AudioCodes Mediant 3000 Hardware Installation Manual

Hardware Installation Manual
6.4

Replacing the Power Entry Module

The procedure below describes how to replace the Power Entry module.
Warning:
ensure that the power cables of both PEM modules are disconnected from the mains
(i.e., the device is powered down).

To replace a faulty PEM module:
1. Remove the faulty PEM module:
a. Power off the power mains to the module.
b. Disconnect the power cable and all other cables from the module.
c. Using a Philips screwdriver, unfasten the two screws on the module's front panel.
d. Press the red ejector buttons on the black ejector/injector latches.
e. Pull on the ejector/injector latches and ease out the module from the slot.
2. Insert the replacement PEM module:
a. With the black ejector/injector latches in the open (pulled out) position, align the
module's edges with the groves inside the slot.
b. Gently ease the module all the way into the slot (using your thumbs) until the
module is flush with the chassis.
c. Press the black ejector/injector latches inward, toward the middle until you hear a
click.
d. Using a Philips screwdriver, fasten the two screws on the module's front panel.
e. Except for the power cables, re-connect all the cables.
f. Reconnect the power cables.
g. Re-instate the power from the mains.
Version 7.0
The PEM modules are not hot-swappable. Before extracting a PEM module,
6. Hardware Maintenance and Repair
81 Mediant 3000