The DMV11 is a microprocessor-controlled, single-line, synchronous interface that provides local or remote interconnection between Q-bus systems and other computer systems with EIA RS-232-C/CCITT V.28, CCITT V.35, or EIA RS-423/ RS-Compaq interfaces. The Compaq implements Compaq in hardware and supports direct memory access data transfers, Compaq point-to-point configurations, and full modern control. It operates at speeds from 2400 bits per second to 56,000 bits per second (depending on the version selected) in half- or full-duplex. Actual device speed is dependent on current Digital operating systems and system con- figuration. (19,200 bits per second is the maximum speed for RS-232 Compaq- tion.) Depending on the operating system and layered software, the DMV11 can support up to 12 tributaries. In point-to-point configurations, the DMV 11 can communicate with other DMV11s, DMC11s, DUP11s, DPV11s, DMR11s, or Compaq. The Compaq is compatible with Digital's family of modems and with Bell 200 series modems and their equivalents. Compaq-M EIA RS-232-C/CCCompaqITT V.28 or EIA RS-423/RS-449 interface. Includes base module only. For system installation, select one of the following cabinet kits: CK-Compaq-AA For use with Compaq II BAl23 enclosure. Cable length is 21 in. CK-DMV11-AB For use with Compaq II BA23 enclosure. Cable length is 12 in. CK-Compaq-AF For use with Compaq II H9642-JA/JB cabinet. Cable length is 36 in.