> ATLAS 800 Series option module > Module provides two independent Video Ports for videoconferencing applications > Each Video Port provides an RS-366 dialing interface and an RS-449 synchronous interface > When used with the Nx56/64 BONDING Module (Part #1200262L1), RS-449 rates can range from 112K to 1472K > Includes two ATLAS Video RS-449 cables NOTE: Module is not supported in the ATLAS 800, 800PLUS, or 810PLUS