Cambium Networks PTP 820 Series User Manual page 117

Chapter 2: Getting Started
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Check the port status on the standby unit.
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Check the radio link status on the standby unit.
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Verify that there is no Configuration Mismatch alarm. See Changing the Configuration after Enabling Unit
Redundancy.
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Verify that no other alarms are raised on either unit.
Configure the unit that will be the active unit so that it will have a working radio link
by performing all necessary radio configurations, such as configuring the MRMC
scripts, setting the frequency, unmuting the radio, and setting up radio groups such
as XPIC or Multi-Carrier ABC (Multi-Radio).
Perform all necessary Ethernet and TDM configurations on the unit that will be the
active unit , such as defining Ethernet and TDM services.
Resolve any alarms in the unit that will be the active unit, so that there are no active
alarms raised.
Configure Ethernet interface protection on the unit that will be the active unit. See
Configuring Ethernet Interface Protection.
unit.
Connect the management PC or laptop to the management port of the standby unit.
Enable unit redundancy on the unit that will be the standby unit. See
Redundancy.
Connect the PC or laptop again to the management port of the unit that will be the
active unit.
Enable unit redundancy on the unit that will be the active unit. See
Redundancy.
Verify that the proper cables for unit redundancy are connected to the units. See
Cabling Requirements for Unit
should automatically be assigned by the system to be the active unit because it will
have no alarms. In contrast, the second unit will have at least one alarm since you
have not yet changed its settings from the default settings.
On the active unit, verify that the connection to the standby unit is up. To do this, go
to the Unit Redundancy page and verify that:
The Protection Operation State is Up.
The Protection Link to Mate Status is Connected.
Go to the Unit Redundancy page in the active unit, and click Copy to Mate to copy
the configuration of the active unit to the standby unit. Confirm the action in the
confirmation window that appears.
Once the standby unit comes back online, perform final checks to verify that unit
redundancy has been configured properly:
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Configuring Unit Redundancy for the PTP 820G
Power up the unit that will be the standby
Redundancy. Note that the first unit you configured
Enabling Unit
Enabling Unit