45530603TH Rev.2 1-9Oki Data CONFIDENTIAL 1. CONFIGURATION1.5 Interface specifications1.5.1 USB interface specifications1.5.1.1 USB interface overview(1) Basic specificationsUSB (Hi-Speed USB supported)(2) Transmission modeFull speed (Max. 12 Mbps ± 0.25%)High speed (Max. 480 Mbps ± 0.05%)(3) Power controlSelf-powered device1.5.1.2 USB interface connectors and cables(1) Connector• Printer side: B-receptacle (female)Upstream portProduct equivalent to UBB - 4R - D14C - 4D(LF)SNConnector pin arrangement23 41• Cable side: B-plug (male)(2) CablesLength: USB 2.0 cables no more than five meters long (two meters or lessrecommended)(Shielded USB 2.0 cables shall be used.)1.5.1.3 USB interface signalsSignal name Function1 Vbus Power Supply (+5V)2 D- For data transfer3 D+ For data transfer4 GND Signal groundShell Shield