Description : RS232 To RS485 Convertor UT-201 DB9 Female Male Connector Transceiver This Product called RS232 to RS485 Transceiver is compatible with EIA\/TIA RS232 !#!amp!*!amp; RS485 standard，which has built-in Zero delay automatic reception and delivery converter，and the only specified I\/O circut CAN control the digital data direction instead of handshaking signal(such as RTS，DTR). Specification : Compatible with EIA\/TIA RS232 !#!amp!*!amp; RS485 standard. Interface RS232 side: DB9 female connector. Interface RS485 side: DB9 male connector with optional terminal board. Working mode: asynchronous， half-duplex， differential transmission. Transmission media: common wire， double wire or UTP or Shielding Line. Transmission rate: 300 - 115200bps， which is capable of applying between host computers， host computer and its external equipments and forms point to point， point to multi-points network. Transmission distance: RS485 max. 1200m， RS232 side max. 5m. Telecom munication agreement: Transparent. Package Included : 1 x RS232 To RS485 Convertor 1 x SUB D9 connector board Details pictures :