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compact IP phone designed for ShoreTel systems
These modules include T1
The following parts are included with the Adtran 4205290L5 Bundle:
Graphical LCD Screen
3af Power over Ethernet
Adtran Atlas 800 Series Quad USSI X.21/V11 Module 4200261L3 Accessories compact IP phone designed forAtlas 800 Series Quad USSI Module, X. 21 V. 11 4200261L3 Description: The Adtran 4200261L3 provides four X. 21 universal synchronous serial interface (USSI) connections for an Atlas 800 series gateway. The module supports Nx56 64 Kbps operation for up to 2. 048 Mbps operation across each of the 4 ports. The Adtran 4200261L3 can support both frame relay emulation and passthrough in an Atlas 830 or 890. Adtran 4200261L3 Features: Provides four X. 21 V.
