B&B Electronics 422ICC 1-Port RS-422/485 Serial Card 8-Bit ISA - Handshake
This single port Model 422ICCB serial card supports TD, RD, RTS, CTS, DSR, CD, and DTR with an RS-530 compatible male DB-25 connector. There is a jumper that will disable all handshake inputs (force them true) for use in TD and RD only systems. The 422ICCB card uses the 16850 UART.
Fits PC, XT, or AT type computers
Jumper selectable port address: COM1, COM2, COM3, and COM4
Jumper selectable interrupts IRQ2 through IRQ7
RS-422 or RS-485 modes jumper selectable
RTS controls Transmit Data in RS-485 model
Manual and Data Sheet are available electronically. Please contact us with any questions!