Adtran Atlas 800 Series 24-Channel Voice Compression Module 1200221L3 Routers 21 universal synchronous serial interface

21 universal synchronous serial interface (USSI) connections for an Atlas 800 series gateway

Redundant DC Power Supplies

1:1 DS3 and DS1 Redundancy

Adtran 4205290L7 Features:

including pick tickets

Adtran Atlas 800 Series 24-Channel Voice Compression Module 1200221L3 Routers 21 universal synchronous serial interfaceAtlas 800 Series 24 Channel Voice Compression Module 1200221L3 Description: The Adtran 1200221L3 is a 24 channel voice compression module for Atlas 800 series gateways. The 1200221L3 supports G. 723. 1 compression on 24 B channels from a T1 or multiple PRI circuits. With 6: 1 compression ratio compared to traditional G. 711 conversations, the 1200221L3 can support up to an extra 120 calls across the 8 channels (144 total). The 1200221L3 supports fax