RS232 RS485 to 232 communication module passive bidirectional converter Industrial grade serial line equipment adapter

DB25 25PIN 2 ROW Male Female Connector to terminals adapter D-SUB RS232 TO RS485 converter 25 pin terminal board Signal Module

DB9 connector Terminal Module RS232 RS485 Adapter Signals Interface Converter Male Female COM D sub 9Pin

NEW RS232 to RS485 1.2KM Data Interface Adapter Converter Module

Unnlink Industrial USB to RS485 RS422 RS232 CH340 Converter Adapter TVS Protection For Computer PLC

UOTEK 4.9Ft USB to RS232 RS485 RS422 Converter USB-A RS-232 RS-485 RS-422 Cable Serial DB9 Connector Full Half Duplex UT-8890

USB To RS485 Converter Upgrade Protection RS232 Converter Compatibility V2.0 Standard RS-485 A Connector Board Module

Industrial USB To RS485 Converter Upgrade Protection RS232 Converter Compatibility V2.0 Standard RS-485 A Connector Board Module

1PCS Double DB9 9PIN male female serial port connector to terminal block adapter D-SUB COM RS232 TO RS485 converter Board

CH340 Chip USB To RS485 485 Serial RS232 232 Converter Adapter MAX232 Support The Laptop Port For Win7 Linux Compliant USB 2.0

Usr-Tcp232-410S RS232 / RS485 Serial to Ethernet Adapter/IP Device Server Ethernet Converter Support DHCP/DNS

DB9 RS232 to RS422 Converter Com adapter RS-232 to RS485 Integrated connector serial to 232-485/422 communication Full duplex