Standard: EIA RS-232C, RS-485, RS-422
Quantity of serial port: 8/16 RS-232, RS-485/422 or 3IN1 serial port
RS-232 signal: RXD, TXD, DTR, GND, DSR, RTS, CTS, DCD
RS-485 signal: D+, D-, GND
RS-422 signal: T+, T-, GND, R+, R-
Baud rate: 300-115200bps
Data bit: 5bit, 6bit, 7bit, 8bit
Parity bit: None, Even, Odd, Space, Mark
Stop bit: 1bit, 2bit
Interface form: RS-485/422 serial port with isolation, adopt 5-pin 5.08mm pitch terminal blocks;
RS-232, 3IN1 serial port, adopt RJ45;
Flow control: RTS/CTS, DTR/DSR, XON/XOFF
Direction control: RS-485 direction adopts Automatic Data Direction Control (ADDC)
Load capacity: RS-485/422 end supports 32 points polling (customizable 128 points)
Transmission distance: RS-232, 15m; RS-485/422, 1200m
Pull high/low resistor for RS-485: 4.7kΩ
Intensity of electromagnetic isolation: RS-485/422 serial port (terminal block),1.2kVAC
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