43967002TH Rev.1 28 /Oki Data CONFIDENTIAL 1. Configuration1.5 Interface specifications23 411.5.1 USB interface specificationsFundamental specificationsUSB(Hi-speed USB is supported)ConnectorB-receptacle (female) upstream portCableSUB 2.0 specification cable of less than 5 m (2 m is recommended.)(Use the shielded cable.)Transmission modeFull speed (Maximum 12 Mbps ± 0.25%)High speed (Maximum 480 Mbps ± 0.05%)Power controlSelf-power deviceConnector pin arrangement1.5.2 Network interface specificationsFundamental specificationsNetwork protocolTCP/IP relatedNetWare relatedEther Talk relatedNetBEUI relatedConnector100 BASE-TX/10.BASE-T (Automatic switching. Simultaneous use is not possible.)CableNon-shielded twist pair cable with RJ-45 connector (Category 5 is recommended.)Connector pin arrangementInterface signalPin No. Signal name Direction Function1 TxD+ FROM PRINTER Send data (+)2 TxD- FROM PRINTER Send data (-)3 RXD+ TO PRINTER Receive data (+)4 − − Not used5 − − Not used6 RXD- TO PRINTER Receive data (-)7 − − Not used8 − − Not usedInterface signalSignal name Function1 Vbus Power (+5V)2 D- For data transfer3 D+ For data transfer4 GND Signal groundShell Shield81
