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2.2 Installation of the Hybrid IP-PBX
46 Installation Manual
2. Push the release lever in the direction of the arrow, so that the PSU engages securely with the
connector on the back board.
3. Turn the 4 screws clockwise, in the order indicated by the numbers 1 to 4, to fix the PSU.
Replacing the Power Supply Unit
1. Unplug the AC power cord and Back-up Battery Cable.
Release Lever
Back Board
Screws
1
3
2
4