Octagon Systems – 5554/8 Serial I/O Card – 5554/8 – Industrial ISA Serial I/O Expansion Card-Used – 1
Octagon Systems 5554/8 Serial I/O Quad/Octal ISA Industrial PC RS-232 RS-422/485 Expansion Card Used Octagon Systems 5554/8 Serial I/O expansion card for industrial PCs. High performance serial interface board providing four (5554) or eight (5558) serial ports with 16-byte FIFO buffers per channel, compatible with 16C550 UARTs and supporting RS-232 and RS-422/485 communication as detailed…