Adtran Atlas 550 Legacy Data Module 1200342L1 Multiplexers Any T1/PRI port can be

Any T1/PRI port can be configured for network or customer facing connections

newer controller card for the MX2800

inventory updates

These stands are all brand new replacements

Adtran Atlas 550 Legacy Data Module 1200342L1 Multiplexers Any T1/PRI port can beAdtran Atlas 550 Legacy Data Module 1200342L1 Description: The 1200342L1 is an Atlas 550 User Interface Module. It provides four EIA 232 or V. 35 interfaces (or any combination up to four) for sync or async packet data applications. The Adtran Atlas 550 legacy data module supports the following protocols: SNA SDLC, HDLC, Transparent Async, and Transparent Bit oriented (TBOP). Adtran 1200342L1 Features: Optional V. 35 adapter cable is part number