Convert status and parameter data of your UPS to comply with the standard Modbus protocol
1 x RS232 port; 1 x RS485 or RS422port
Device ID can be set to any numberbetween 0~255
Supports RTU format
Terminating resistance of RS485 / 422can be set by dip switch
2400, 4800, 9600 or 19200
7 or 8
Null, even or odd