TNF5TOA is a 8-port any-rate service processing board applied to Huawei OSN 1800V. The TOA boards support optical transport network (OTN) ports and electric supervisory channels (ESCs). TNF5TOA 8-port any-rate service processing board Applied to Huawei OSN 1800V Supports client 1+1 protection when non-OTN services are received Supports ODUk SNCP Supports Tributary SNCP Supports the LPT Supports Electrical-layer ASON Supports communication over ESCs
