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UCM6510 IP PBX User Manual
Version 1.0.20.31
Upgrading UCM6510s Connected to the HA100
The steps to upgrade both UCMs with an HA are the same as upgrading a single UCM.
1. Ensure that all connections between the HA and the two UCMs are secure and working properly.
2. Assuming that UCM A is the master and that UCM B is the slave, create a full backup of UCM A.
3. From UCM A's web portal, upgrade UCM A to the desired firmware. UCM B will also be upgrading
during this time.
4. Reboot the device when prompted. UCM B will automatically reboot alongside UCM A.
5. Upon booting back up, UCM A and UCM B's LCD displays should show "Master" and "Slave"
respectively.
6. Data syncing may occur for 5 or more minutes. If users cannot access the UCM web portal after
booting up, please wait until the data sync is complete and try again.
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