Figure 13-2 Type B protection
OLT
ONU
Splitter
Backbone Fibers
Protection
Active
Standby
Configure redundancy backup for ports 0/3/1 and 0/3/2 on the same GPON board on OLT.
When port 0/3/1 fails, the system can automatically switch to port 0/3/2.
huawei(config)#protect-group 0 protect-target gpon-uni-port workmode timedelay
huawei(protect-group-0)#protect-group member port 0/3/1 role work
huawei(protect-group-0)#protect-group member port 0/3/2 role protect
huawei(protect-group-0)#protect-group enable
NOTE
The configurations of services accessed by the ONUs remain the same after the Type B protection is
configured. That is, the service configurations are applied only to the working GPON port.
l Configure the Type C single homing protection.
Figure 13-3 shows networking diagram for the Type C single homing protection. Configure
two 1:N optical splitters, one for connecting the working PON ports on the OLT and ONUs,
and one for connecting the protection PON ports on the OLT and ONUs. This protection
scheme protects both the backbone fibers and tributary fibers.
The configurations of services accessed by the ONUs remain the same after the Type C
single homing protection is configured. That is, the service configurations are applied only
to the working PON port on the OLT and working upstream PON ports on the ONUs.
Figure 13-3 Type C single homing protection
OLT
ONU
Splitter A
Backbone Fibers
Protection
Active
Standby
Tributary Fibers
Protection
Splitter B
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide 13 FTTO Configuration (Large-sized Enterprise Access)
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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