UT-201商業(yè)級(jí)袖珍型RS-232到RS-485接口轉(zhuǎn)換器UT-202商業(yè)級(jí)袖珍型RS-232到RS-422接口轉(zhuǎn)換器UT-203商業(yè)級(jí)袖珍型RS-232到RS-422/485通用接口轉(zhuǎn)換器UT-204工業(yè)級(jí)袖珍型RS-232到RS-485接口轉(zhuǎn)換器(防雷)UT-205工業(yè)級(jí)高性能RS-232到RS-422接口轉(zhuǎn)換器(防雷)UT-206商業(yè)級(jí)高性能RS-232到RS-485/RS-422光電隔離轉(zhuǎn)換器UT-207商業(yè)級(jí)高性能RS-232到RS-485/RS-422光電隔離轉(zhuǎn)換器UT-208工業(yè)級(jí)高性能RS-232到RS-485/RS-422光電隔離轉(zhuǎn)換器UT-209工業(yè)級(jí)高性能RS-485/422到RS-485/422光電隔離中繼器UT-210RS-232到TTL轉(zhuǎn)換器UT-211RS-232串口光電隔離器UT-212RS-232光電隔離長(zhǎng)線收發(fā)器