RS232/485 universal converter with protection
Model number: ACC-485M

Features 

Standard        Comply with EIA standard, Automatic send data control

Protection         1500W surge protection, 15KV ESD protection

Input power       RS232 side powered from handshake lines, RS485/422 side powered from external DC9V power supply

Distance         up to 1800M (115.2kbps)

Interface          RS-232 side DB-9 female, RS-485/422 side 5 terminal

Baud rate                       Ranges from 300-115200bps

Capacity                       Supports 32 point (128 point is available with order)

Transmission               RS-485/422 side 1200M (9600bps), RS-232 side <5m
Temperature                   -20 to 60℃

Humidity                           5% to 95%

Power requirement  9V external power supply only for RS485/422 side (provided along with convert)

Consumption      stand-by mode <10mA, working mode<40mA
Dimensions         64*48*21mm, 25.2*18.9*8.27inch
Shell                   Plastic
Color                   White 
Weight                     50g, 0.11lb