BB-USOPTL4-2P,CONVERT USB-ISO 2PORT RS422/485
BB-USOPTL4-4P,CONVERT USB-ISO 4PORT RS422/485
BB-USOPTL4DR,USB TO ISOLATED 422/485 CONVERTE
BB-USOPTL4DR-2,USB TO ISOLATED 2 PORT 422/485 C
BB-USOPTL4DR-LS,CONVERTER USB TO ISOLATED 422/48
BB-USOPTL4-LS,ISOLATED RS422/485 USB CONVERTER
BB-USPTL4,CONVERTER USB TO RS-422/485
