OVERVIEW

The LPM/MCM-COM4A is 4 channel serial 8250 compatible STD Bus board based on the 16C554. It is ideally suited for applications running DOS programs or languages that require exact register compatible hardware for program execution on software such as Greenleaf Comm Library, CROSSTALK, etc.

Each channel supports RS-232, 4-wire RS-485 and RS-422 electrical levels to interface to a wide variety of serial communications devices such as modems, mouse, and distributed I/O terminals. The CMOS STD Bus board is available that will operate from -40° to +85° Centigrade.

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