Dual-Port Isolated RS-422/485 Communications and Watchdog Card
WDG-2S - Acces I/O Products, Inc.
This multifunction card contains a watchdog timer, two RS422/485 serial communications ports, and an internal temperature monitor and computer voltage monitor. This is a full-length card that installs in "long" expansion slots of IBM PC/XT/AT and compatible computers. The following paragraphs describe functions provided.
