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Full Duplexe Speakerphone
Unlike combo ports
or other cards
The Adtran 1200309E1 can be configured to map each port to a DS0 channel or dynamically switched based on a dial plan
Adtran 1200289L1 Features:
Adtran Atlas 800 Series Quad USSI RS-449/V.36 Module 4200261L1 DSS Consoles Full Duplexe SpeakerphoneAtlas 800 Series Quad USSI Module, RS 449 V. 36 4200261L1 Description: The Adtran 4200261L1 provides four RS 449 universal synchronous serial interface (USSI) modules for an Atlas 800 series gateway. The 4200261L1 supports Nx56 64 Kbps operation for up to 2. 048 Mbps operation across each of the 4 ports. Adtran 4200261L1 Features: Provides four RS 449 V. 36 synchronous serial ports Each module supports one interface type on all four ports Each port
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