Adtran MX2800 Controller Card with Modem 1205288L1 Phone Systems The Adtran 1200221L4 is a

The Adtran 1200221L4 is a 32 channel voice compression module for Atlas 800 series gateways

or analog conversions

Provides 28 RJ-48 connections for DSX-1 deployment

two RJ-48 to RJ-48 crossover cables

Mitel Stand

Adtran MX2800 Controller Card with Modem 1205288L1 Phone Systems The Adtran 1200221L4 is aAdtran MX2800 Controller Card with Modem 1205288L1 Description: The Adtran 1205288L1 is a controller card for the Adtran MX2800 M13 multiplexer. The controller card can fit in either slot 1 or 2 of the multiplexer. The controller card is hot swappable and can be replaced while the multiplexer remains powered on. The Adtran 1205288L1 includes a back up dial modem for dialed out cry in emergencies. The card can be deployed in 1: 1 redundancy in order to