Key Specifications/Special Features: Input: RS-232 protocol Speed: "AutoPro" designed auto switch baud rate, 300~115200Bps 256 modules max. in one RS-485 network without repeater 3000V isolation Multiple baud rate; multiple data forma Communication distance: 2.1km/9600Bs 2.7km/4800Bps 3.6km/2400Bps Power requirements: +10V-30VDC Power consumption 2.2W(max.) Dimensions: 7 x 10 x 2cm Series products: RS422/RS485/RS232; digital I/O AD/DA module   422 485 Isolate(PLC) Repeater EX9520   ˇ     EX9520R   ˇ ˇ   EX9520A ˇ ˇ     EX9520AR ˇ ˇ ˇ   EX9510   ˇ   ˇ EX9510A ˇ ˇ   ˇ EX9520 (ISA/PCI)   ˇ     EX9520A(ISA/PCI) ˇ ˇ       Main Export Markets: Worldwide