This IP software can be applied to client OTN equipment, can also be used for client node equipment in OTN networks or used for A equipment in OTN networks. This IP benchmarking telecommunications model 1 is Unicom model A1/A8, or mobile model 1.1/1.2. 

Interface specifications:

 - 2 OTU1/OTU0 interfaces

 - 4 GE/FE business interfaces

 - 2 STM4/STM1 interfaces

 - 4 E1 interfaces 

Functional specifications:

 - Support 4-way EoO services

 - Support EoS services

 - Support 8 EoOSU businesses 

 - Support E1 mapping demapping