blackboxIC630A-M型号：IC630A-M产品描述：AsyncRS-232toRS-422InterfaceBidirectionalConverter,DB9MaletoRJ-11FurtherDetails：TheRS-232connectorisDB9male;theRS-422connectorisRJ-11.ConnectsdirectlytoRS-232equipment.Nopowersupplyrequired—powerisdrawnfromRS-232dataandcontrolsignals.LoopsbackallRS-232handshakingsignals.)