MSD-2R Desktop NP Nest Mount Modem Sharing Device
This device is a no powered nest mount automatic two-port, RS-232/CCITT V.24 sharing card which enables two terminals to share a modem or DDS circuit in a point-to-point or multipoint application. It can operate at data rates from 1.2 to 38.4 Kbps.
This unit provides front-panel indicators for active port, one each. Operates using RTS contention and broadcast of data and carrier for polling applications.
Product Manual PDF: Man0234-2R