System Recovery
In the scenario where the UCM cannot be accessed via web or SSH, users can try to recover the system by
resetting the system or upgrading system firmware via the UCM's recovery mode.
To access recovery mode, follow these steps:
1. Disconnect the power cable from the UCM and keep the network cable connected.
2. Press and hold the reset button located on the back of the UCM.
3. Reconnect the power cable while holding the reset button.
4. Keep holding until a click sound is heard. Release the reset button.
The UCM's LCD should now display "Recovery Mode" and an IP address.
Once at this stage, the administrator can access the recovery mode web portal by typing in either the IP0 address
(typically WAN) or IP1 address (typically LAN) into a browser address bar. The following page should appear:
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