PCM-3643 REV A1 4-Port RS232 PC104 Serial Port Expansion Module

Compatible with PCM-3643 REV A1, this PC104 communication expansion card adds four RS-232 serial ports. Designed as a PC104 form-factor serial port module, it provides straightforward serial I/O expansion for embedded and industrial systems. Ideal for applications that require additional RS-232 connectivity without changing existing system specifications.