UT-218工業(yè)級外掛試RS-232到RS-483/RS-422光電隔離轉(zhuǎn)換器UT-308RS-232轉(zhuǎn)RS485/422串口加密轉(zhuǎn)換器UT-502工業(yè)級高性能RS-232到二口RS-485光電隔離轉(zhuǎn)換器UT-503工業(yè)級高性能RS-232到RS-485/RS-422光電隔離轉(zhuǎn)換器UT-509工業(yè)級導(dǎo)軌試RS-485/422到RS-485/422光電隔離中繼器UT-62010/100MTCP/IP到RS-232/422/485轉(zhuǎn)換器UT-810USB到RS-232轉(zhuǎn)換器（黑色）UT-820USB轉(zhuǎn)RS-422/485光電隔離轉(zhuǎn)換器UT-822USB2.0到串口（RS-232）袖珍型高速轉(zhuǎn)換器（頭子）UT-880USB2.0到串口（RS-232）高速轉(zhuǎn)換器UT-890USB2.0到RS-485/422高速轉(zhuǎn)換器