Adtran Atlas 550 Dual 449/V.36 USSI Module 1200754L1 Multiplexers Additional programmable buttons can be

Additional programmable buttons can be added with an optional DADM2020 module

Multiple Network Interface Modules (NIMs) are available for the single slot in the rear of the NetVanta 3200

Layer 2 GbE switch non-blocking

Comdial 83212SJ-FB Impact Phone

2 Mbps allocated in 75 kbps increments

Adtran Atlas 550 Dual 449/V.36 USSI Module 1200754L1 Multiplexers Additional programmable buttons can beAdtran Atlas 550 Dual 449 V. 36 USSI Module 4200754L1 Description: The Adtran 1200754L1 is an Atlas 550 Dual RS 449 V. 36 Universal Synchronous Serial Interface (USSI) Module that combines with other Atlas components to provide solutions for a variety of wide area networking applications. The module provides two RS 449 V. 36 synchronous serial ports. Each of these ports is capable of operating at up to 2. 048 Mbps. The USSI module is compatible with