Ethernet sobre TDM/PDH/SDH

Inverse multiplexer and Ethernet switch over STM-1 and 63x E1 trunks

Inverse multiplexer and switch, Ethernet over 16 E1 2 Mbps trunks

Ethernet inverse multiplexer over 4 or 8 E1 2 Mbps interfaces

Inverse Multiplexer, Ethernet over 4 - 16x E1 or T1 interfaces

Ethernet bridge and E1/T1 G703-G704 interface converter CSU-DSU