Adtran Atlas 550 32 Channel ADPCM Module 1200752L1 Power Supply 21/V11 Universal Synchronous Serial Interface

21/V11 Universal Synchronous Serial Interface (USSI) Module (4200754L3) combines with other Atlas 550 components to provide solutions for a variety of wide area networking applications

the ShoreTel 110 is an affordable 1 line phone ideal for places that only require phone communications occasionally

The Adtran 1200771L1 is a T1 aggregator for the Atlas 800 series of integrated access devices

Included with the Adtran NetVanta 4305:

Adtran Atlas 550 32 Channel ADPCM Module 1200752L1 Power Supply 21/V11 Universal Synchronous Serial InterfaceAdtran Atlas 550 32 Channel ADPCM Module 1200752L1 Features: The Adtran Atlas 1200752L1 is a 32 channel voice channel compressor card. The 1200752L1 can compress and utilize the G. 726 voice CODEC for 16Kb and 32Kb conversations, allowing two to four times as many calls on each DS0 channel as standard. The ADPCM module still allows for raw G. 711 voice CODECs for Fax and other necessary implementations. The module is compatible only with Adtran Atlas