Power Supply Removal And Replacement - Avaya VSU 7500 User Manual

4-2

Power Supply Removal and Replacement

Referring to Figure 4-1, perform the following steps to replace the defective
power supply module:
Locate the defective power supply module. The green LED indicator on the
1.
defective power supply module will be OFF.
Set the ON/OFF (I/O) switch of the defective power supply to OFF.
2.
Grasp the handle on the power supply, slide the retaining lock button to the
3.
right, and gently pull the defective module out of its enclosure.
Set the ON/OFF (I/O) switch on the new power supply module to OFF.
4.
Slide the new power supply module into the enclosure and press firmly on the
5.
front of the module to securely seat the module. Be sure the retaining lock is
engaged to secure the module.
WARNING: Do not insert any object into the power supply slot, such as fingers,
tools, etc., as dangerous voltages exist on the connectors.
Set the ON/OFF (I/O) switch of new power supply module to the ON
6.
position.
Figure 4-1 Power Supply Module Removal and Replacement
VSU-7500 User Guide
Troubleshooting