204AppendixAppendix SpecificationsSpecifications Network interface specificationsBasic specificationsNetwork protocolTCP/IP - relatedNetWare - relatedEtherTalk - relatedNetBEUI - relatedConnectors100 BASE - TX / 10 BASE - T (Automatic toggle, cannot be usedsimultaneously)CableNon - shield twisted pair cable with RJ - 45 connector (Category 5 recommend-ed)Connector pin arrangement1 8Interface signalPinNo.SignalnameDirection Function1 TXD+ FROM PRINTER Data being sent+2 TXD - FROM PRINTER Data being sent -3 RXD+ TO PRINTER Data being received+4 − − Not being used.5 − − Not being used.6 RXD - TO PRINTER Data being received -7 − − Not being used.8 − − Not being used.USB interface specificationsBasic specificationsUSB (Supports Hi - Speed USB)ConnectorsPrinter side B receptacle (female) upstream portCable side B plug (Male)CableA 5m or lower USB2.0 specification cable (2m or lower is recom-mended)(Please use a shielded cable.)Transmission modeFull speed (Maximum 12 Mbps ±0.25%)High speed (Maximum 480Mbps ±0.05%)Power controlSelf - powered deviceConnector pin arrangement2 13 4Interface signalSignalnameFunction1 Vbus Power (+5V)2 D - For data transfer3 D+ For data transfer4 GND Signal grandShell Shield
