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Release 7.0.0 3DB 19286 ACAA Issue 01
Upgrade and downgrade protection
6. If radio protection is configured as 1+1 FD, configure the spare radio direction.
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.
7. Reprovision all of the affected TDM2ETH and TDM2TDM cross-connections
To downgrade 1+1 to 1+0 not protected radio configuration
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.
1. On CT settings window for radio channel, enable the Local Tx Mute for channel
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
4. Disconnect the channel#0 radio direction cables to the spare radio cards.
1052
MAC address from 'unicast' to 'multicast' at the remote NEs. For more
information about how to configure cross-connections, see
connections.
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.
#1 and #0.
#1 only.
WebEML User Manual
Provision cross
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