DIGITUS by ASSMANN Shop | RS-232 zu RS-485 Adapter
RS232 To RS485 Converter (B), Active Digital Isolator, Rail-Mount support, 600W Lightningproof & Anti-Surge, Multi-isolation protection
CQRobot Passive RS232 to RS485 Converter Adapter Two-way Data Transmission, No Delay, 600W Surge Protection and 15KV Electrostatic for Industrial Serial Communication.: Amazon.de: Computer & Accessories
TV8469 | ABUS Security-Center RS232-zu-RS485-Konverter, H. 33,0 mm, T. 53,0 mm, B. 17.0mm | RS
Serieller Adapter RS232 DB9 auf RS422 RS485 5 polig und DB9 - Cablematic
ADAM-4561 - Isolated USB to RS-232/422/485 Converter - Advantech