SDH SONET ADMs

Transport TDM and next-generation Ethernet traffic over the SDH or SONET ring

STM-1/OC-3 terminal multiplexer transports Ethernet traffic over SDH or SONET
Multiservice multiplexer delivers a mix of legacy and next-generation services including TDM, PSTN, ISDN, data, and Carrier Ethernet 2.0 up to STM-4/OC-12 or multi-GbE over PDH/SDH/SONET or PSN.