StarTech Industrial RS232 to RS422/485 Serial Port Converter with 15KV ESD Pr...

Width: 59 mm Depth: 117 mm Height: 22 mm. Certification: CE FCC REACH. Input Current: 0.3 A. Housing Material: Steel. CErtification: CE Convert An Rs232 Data Signal To Either Rs485 Or Rs422 With This Wall-Mountable Esd-Protected Adapter.

eBay