Parameter
* Interface features: interface compatible with EIA/TIA RS-232C, RS485 standard
* Electrical interface: DB9 female connector at RS-232 port, DB9 pin type connector at RS-485 port, with terminal block
* Working mode: Asynchronous half-duplex differential transmission
* Transmission medium: twisted pair or shielded wire
* Transmission rate: 300bps- 115.2K bps
* Dimension: 62mmX34mmX 17.2 mm
* Operating environment: -25 ~ 70°C, relative humidity 5 ~ 95%
* Transmission distance: 1, 200m (RS-485 port) 5m (RS-232 port)
* Protection level: RS-485 interface 600W per line lightning surge protection