Huawei OptiX OSN 7500 Technical Manual page 73

OptiX OSN 7500
Technical Manual - System Description
Classification mode
Protection domain
Revertiblility
Protected object
2.
The ATM service is also protected by the self-healing network on the optical
transmission layer, such as MSP and SNCP. You can set the hold-off time for ATM
protection switching. When network impairment occurs, the MSP or SNCP on lower
layers can be switched first, thus achieving the protection of working ATM service (in
this case, the protection switching on the ATM layer will not be activated).
Protection on the Optical Transmission Layer
Huawei Technologies Proprietary
1+1 protection
Trail protection
Revertive protection
Single connection protecton
6-24
6 Data Features
1:1 protection
Subnetwork connection
protection
Non-revertive protection
Group connection protection