RS232 to RS485/422 Industrial-grade Serial Port Photoelectric Isolation Converter DTECH รุ่น DT-IOT9017I
ราคา 850 บาท 
รุ่น : DT-IOT9017I (รหัสสินค้า : P03686)​

- Compatible with RS-232, RS-485/422 TIA/EIA standards
- Communication rate: 300bps-115200bps
- Maximum connection of 256 RS485 devices (RS422 standard can only connect 10 devices) 
- Power input voltage range: DC 9~30V
- With DC9~30V power output (the output voltage is determined by the input voltage) 
- Support the use of two of this product to extend the RS232 signal by using a crossover cable, thisproductalso supports POC power supply
- Communication distance: 1200 meters for RS485/422, 15 meters for RS232
- Working mode: asynchronous half-duplex (RS-485), asynchronous full-duplex (RS232/422) 
- Built-in photoelectric isolator and power isolation module: isolation voltage is 2000V (correspondingmodelonly has this function) 
- Operating environment: temperature is -20℃ to 85℃, relative humidity is 5% to 95%
- Suitable for the communication software used, plug and play
- Support all operating systems

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