Oki Data CONFIDENTIAL43163501TH Rev. 1 14 /23 41Name of Signal Function1 Vbus Power Supply (+5V) (red)2 D - Data transmission (white)3 D + Data transmission (green)4 GND Signal ground (black)Shell Shield1.5 Interface Specification1.5.1 USB Interface Specification (C3400n)1.5.1.1 Outline of USB Interface(1) Basic SpecificationUSB (C3400n supports Hi-Speed USB)(2) Transmission ModeFull speed (12Mbps±0.25% max.)Hi speed (480Mbps±0.05% max.)(3) Power ControlSelf power device1.5.1.2 USB Interface Connector and Cable(1) Connector• Printer side: B receptacleUpstream portEquivalent of UBR24-4K5C00 (made by ACON)Connector pin arrangement• Cable side: B plug (off)(2) CableCable length: Specification Cable of USB2.0 spec. of less than 5m.(less than 2m isrecommended)(Shielded cable is used here.)1.5.1.3 UBS Interface Signal
