B&B Electronics USB to Isolated 2 Port 422/485 Converter DIN Mount

RS232 to 3.3V TTL Converter 9-Pin Port Powered

B&B Electronics Part# 232LPTTL33

Connector Adapters – TAA Compliant – Data Transfer Adapter - DB-9 RS-232 Serial - Female - DB-9 RS-422 Serial - Male - Serial - 1 x 9-pin DB-9 RS-232 Serial Female Connector on First End Details - 1 x 9-pin DB-9 RS-422 Serial Male ...