AudioCodes MediaPack Series Hardware Installation Manual page 55

CHAPTER 6 Hardware Maintenance
Figure 6-17: Tightening Captive Screws of FXS Blade on Front Panel
8. On the rear panel, tighten the hex-standoff screws on each Telco connector of the FXS
blade, using a 3/16-in. hex-head nut driver.
9. On the front panel, re-install the Fan Tray module and Fan Tray cover, as described in
Replacing the Fan Tray Module
Replacing the CPU Module
The following procedure describes how to replace the CPU module.
Power off the device before replacing the CPU module.
➢ To replace the CPU module:
1. Power off the device.
2.
Remove the faulty CPU module:
a. Power down the device by disconnecting the power cord from the power source, and
then unplugging the power cord from the power inlet on the power supply module. If
your device is installed with two power Supply modules, disconnect both of them
from the power source.
b.
Remove all cables connected to the ports on the CPU module.
c. Remove the two Philips screws on both sides of the module that secure the module to
the chassis, using a Philips screwdriver.
d. Hold the front part of the module with one hand and place your other hand under the
module to support it. Gently pull the module out of the slot, keeping it at a 90-degree
angle to the backplane.
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MP-1288 | Hardware Installation Manual