RS232 TO RS485 DATA COMMUNICATION CONVERTER ADAPTE

High Quality Compatibility: EIA/TIA RS232C standard and RS485 ,RS422 standard. Interface RS232 side: DB9 female connector. Interface RS485/RS422 side: DB9 male connector with optional (included) terminal board. Support Passive mode (Without Power) and Action mode (Power Mode). RX, TX signal on RS232 pin 2 and pin 3. Suitable for video surveillance system, control Pan and Tilt Cameras for PTZ decoder box, IC card system. Working mode: asynchronous, half-duplex or full-duplex, differential transmission. Transmmision media: common wire, doule wire or UTP or Shielding Line. Transmission rate: 300 - 115200bps. Transmission distance: RS485 or RS422 max. 1200m, RS232 side max. 5m