AR-B9012 General Description
Isolated 422/485 Communication Card
AR-B9012 Features
2 serial 16C550 ports (16C550 w/16 byte FIFO for option)
Interface type: RS-422A or RS-485
Baud Rate: up to 115.2K bps
Can be set from COM1 to COM8
Port Signals:TXD, RXD,CTS and RTS
Isolation Voltage: 500VDC
Maximum transfer distance: 4000 feet
Terminator: 120 ohms (Enable/Disable selection switch)
Power requirement: 5V/250mA
Two or four wire operation
Dimensions: 175mm x 107mm
Map list: ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789All