Uxcell a09022500ux0047 RS232 to RS485 Communication Data Converter Adapter with a Terminal Board, 2.9" Width, 5.6" Length

Work environment:0 to 7O degree centigrade (485-C), relative humidity: 5 percent to 95 percent., Signals: RS-232: DCD(1), RXD(2), TXD(3), DTR(4), 5GND(5), DSR(6), RTS(7), CTS(8), RI(9)., DB9 Male connector: D-/B(1), D+/A(2), ---(3), ---(4), GND(5), + 5v~ + 12v(6), ---(7), ---(8), ---(9), RS-485 terminal board: D+/A(1), D-/B(2), GND(3), + 5v~ + 12v(4). Transmission distance: RS485 max. 1200m, RS232 side max. 5m.