Upgrade and downgrade protection
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WebEML User Manual
6. If radio protection is configured as 1+1 FD, configure the spare radio direction.
7. Reprovision all of the affected TDM2ETH and TDM2TDM cross-connections
MAC address from ‘unicast’ to ‘multicast’ at the remote NEs. For more
information about how to configure cross-connections, see Provision cross
connections.
To downgrade 1+1 to 1+0 not protected radio configuration
1. On CT settings window for radio channel, enable the Local Tx Mute for channel
#1 and #0.
2. On CT settings window, set the radio channel protection type to No Protection.
3. On CT settings window for radio channel, disable the Local Tx Mute for channel
#1 only.
4. Disconnect the channel#0 radio direction cables to the spare radio cards.
Caution: If unexpected radio alarms are present on the radio channel associated with
protection upgrade, a system restart is required to clear the alarms.
Caution: Performing a system restart to clear unexpected radio alarms causes disruption
to traffic.
Note: To complete the upgrade to 1+1 radio protection, all TDM2ETH and TDM2TDM
cross-connections MAC address affected by this system upgrade, must be changed from
‘unicast’ to ‘multicast’ at the remote NEs.
Caution: Downgrading from 1+1 HSB, HSB SD, or FD to 1+0 configuration is an
Out-Of-Service procedure. All traffic including sync source must be Active on the main
channel before starting this procedure.
Caution: Downgrading from 1+1 HSB, HSB SD, or FD to 1+0 configuration is an
Out-Of-Service procedure. To complete the downgrade procedure, the NE must be power
cycled off and back on again. The power cycle takes approximately 15 minutes complete.
Note: To achieve expected radio operation the downgrade from 1+1 protected to 1+0 not
protected radio configuration must be performed at both ends of the radio hop.
Release 7.0.0 3DB 19286 ACAA Issue 01
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