HEXIN RS232 To RS485 Serial Port Data Interface Converter. It has electronic Interface At the side of RS232 is a DB9 female(hole-type) connector and at the side of RS485 is a DB9 male (needle-type) connector  with connection board. It has Transmission Speed of 300-115200 bps.Common wire, doule wire, UTP or Shielding Line are used as a transmission Media.
Package Includes:
1 x HEXIN RS232 To RS485 Serial Port Data Interface Converter
1 x DB9Pin To 3Pin Terminal Board
1 x User’s Guide