PSU Removal

Remove the top cover
1. Remove five (5) M3 screws and one (1) M4 screws from the switch as per the image.
2. Remove the PSU top cover by lifting the rear end of the cover first, then pulling it out completely.
Figure 1. Removing the PSU
Removing connections and fixtures from the PSU
1. Remove the DC connector from the Main Board. Press the top part of the connector to release the connector lock and pull out the connector.
2. Remove all of the AC connector wires from the AC socket lug by pulling them out.
  Figure 2. Removing connections and fixtures
3. Remove the M4 pan head screw to remove the ground connection from the AC connector to the chassis.
4. Remove the PSU holder by removing the M3 screw first. Then repeat for the other set of PSU holders.
Remove the PSU from the chassis
1. Remove the PSU from the chassis by lifting up the front side of the PSU first and pulling it out of the Switch.
  Figure 3. Removing the PSU from chassis
Remove the AC and DC cable assemblies
1. Unscrew the ring end connections
  Figure 4. PSU wiring diagram

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