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 2, Unicom model A2/A3. 

Interface specifications: 

 - 2 OTU2 interfaces 

 - 6 GE/FE business interfaces 

 - 2 STM4/STM1 interfaces 

Functional specifications: 

 - Support 6-way EoO service 

 - Support EoS services 

 - Support 64 EoOSU services