blackboxIC630A-F型号：IC630A-F产品描述:AsyncRS-232toRS-422InterfaceBidirectionalConverter,DB9FemaletoRJ-11FurtherDetails：TheRS-232connectorisDB9female;theRS-422connectorisRJ-11.ConnectsdirectlytoRS-232equipment.Nopowersupplyrequired—powerisdrawnfromRS-232dataandcontrolsignals.LoopsbackallRS-232handshakingsignals.)