User manual

ACP-4320 User Manual 28
3.4 Replacing the Power Supply
The ACP-4320 supports either 300W/400W single PS/2 or 300W/400W
redundant power supplies. To change a failed power supply, please pro-
ceed as follows:
3.4.1 Replacing the single PS/2 power supply
Figure 3.5: Changing the single PS/2 power supply
1. Un-plug the power cord from the power supply.
2. Remove the top cover.
3. Remove the two screws, which mount the hold-down clamp to the
ACP-4320 chassis, and take out the hold-down clamp.
4. Unplug the 20-/24-pin ATX power connector and +12V power
connector from the backplane/motherboard, hard disk drives, floppy
disk drive and peripherals.
5. Remove the six screws which mount the failed power supply to the
chassis, then take out the power supply.
6. Place a new power supply into the chassis and fix it with the six
screws.