1. Commercial grade 232?485 converter with 36 decoders.2. The interface is compatible with EIA / TIA RS?232 and RS?485 standards.3. RS485 automatic identification.4. Strictly manufactured according to standard requirements.5. Professional manufacturing, of your trust.Spec:Condition: Brand NewItem Type: Data Converter Color: Shown as PictureMaterial: ABSSerial Port Characteristics: The Interface Is Compatible with EIA / TIA RS-232C, RS-485 standardElectrical 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-duplexCommunication Distance: 1200 Meters/3937ft (RS-485 End), 5 Meters/16.4ft (RS-232 End) Medium: Ordinary Wire, Twisted Pair Or Shielded WireTransmission Rate: 300-115200bpsCommunication Protocol: TransparentWorking Environment: 0 - 70 ? (485-C), -20 ? -85 ? (485-C)Relative Humidity: 5% -95%: RS-232: TXD, RXD, RTS, CTS, DTR, , DCD, GNDRS-485: Date +, Date-, GNDPackageList:1 x Converter1 x ManualNote: