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4 Ports / Simultaneous Users
The Adtran 1200655L1 supports up to 44
A display has been built into the phone to provide caller ID and digits dialed in the system
User-configurable contact directory and call history (missed
The Adtran Atlas 550 Ethernet switch module is designed to provide connectivity of network devices to the router of the Atlas 550
Adtran MX2820 M13 MUX Card 1186002L3 Phones 4 Ports / Simultaneous UsersAdtran MX2820 M13 MUX Card 1186002L3 Description: The Adtran 1186002L3 is a multiplexer M13 module for the Adtran MX2820. The 1186002L1 provides a DS3 circuit breakdown into 28 DS1 circuits. Two M13 MUX cards provide a single 1: 1 redundant M13 multiplexer circuit. These cards plug directly into the Adtran MX2820 chassis. Adtran 1186002L3 Features: Plug in unit for the MX2820 chassis that provides an M13 multiplexer function to the MX2820 system Two
