DMC11 IPL Synchronous Line Unit

This manual covers the installation and operation of the DMC11 line unit, which is used to interconnect PDP-11 computers in local and remote network applications. The document describes the four versions of the DMC11 (DMC11-DA, -FA, -MA, and -MD), providing their specifications, installation procedures (including jumper and switch configurations for the M8201 and M8202 modules), and details on local link cable selection and maintenance. Additionally, it contains comprehensive register descriptions, bit assignments, and programming procedures necessary for operating the line unit, including DDCMP and bit-stuffing protocols.