Features: 1Commercial grade 232?485 converter with 36 decoders. 2The interface is compatible with EIA / TIA RS?232 and RS?485 standards. 3RS485 automatic identification. 4Strictly manufactured according to standard requirements. 5Professional manufacturing, worthy of your trust. Condition: Brand New Item Type: Data Converter Color: Shown as Picture Material: ABS Serial Port Characteristics: The Interface Is Compatible with EIA / TIA RS-232C, RS-485 standard Electrical Interface: RS-232C-end Db9 Female Connector, RS-485-terminal DBP Pin Connector, Equipped With Binding Posts (four-position Or Six-position Wiring) Working Mode: Asynchronous Half-duplex Communication Distance: 1200 Meters/3937ft (RS-485 End), 5 Meters/16.4ft (RS-232 End) Transmission Medium: Ordinary Wire, Twisted Pair Or Shielded Wire Transmission Rate: 300-115200bps Communication Protocol: Transparent Working Environment: 0 - 70 (485-C), -20 -85 (485-C) Relative Humidity: 5% -95% Signal: RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND RS-485: Date +, Date-, GND Package Included: 1 x Converter1 x Manual&nbsp