Features:

? 6-optical-port, STM-1 MADM or TM multiplexer;

? Support up to 231 E1-circuit add/drop;

? Provide Ethernet access of channelized E1 and DS3 shatekway ring;

? Support cross connection of all VC12 and VC3;

? Support SETS, it is possible to tracing the line port or external synchronization input, provide external synchronization output, and automatically handle timing source rearrangement according to the failure message or SSM;

? Support Path Protection and SNCP, the self-healing time is very short.