... - RXD, TXD, RTS, CTS, DTR, DSR, RI, DCDRS422 - RX+, RX-, TX+, TX-RS485 - TRX+, TRX-Interface Type is selectable by Software±15KV ... Hardware, Xon/Xoff SoftwareNetwork Physical InterfaceNetwork InterfaceRJ45 (10Base-T/100Base-TX Ethernet)Ethernet Speed Auto Sense1:1 or Cross-over Cable ...