Further information for Advantech ADAM-4520I-AE -
The ADAM-4520I (RS-232 to RS-422/485 converter) is more robust than its predecessor models. It has a wider operating and storage temperature range, is designed for a wider current input range and is very low noise. It also offers a
Wide operating temperature range: -40 to 85 °C
Automatic RS-485 data flow control
3000 VDC insulation protection
RS-485 data line with surge protection
Transmission speed up to 115.2 kBit/s
Network range up to 1200 m (4000 ft)
Free space for terminating resistors
Current and data flow display for troubleshooting
Current requirements: +10 to +48 VDC
Easy to mount on DIN rail, panel or plug-in module