Appendix B USB InterfaceOki Data CONFIDENTIAL44983601TH Rev.1 Appendix B-1 /Appendix B USB Interface(1) Connector• Printer side : B Receptacle (Female) (Upstream port)Equivalent to UBR24-4K5CO (ACON. Co., Ltd.)• Cable side : B Plug (Male)(2) Cable• Cable with USB 2.0 specification under 2.0m (It is recommended to use a shielded cable.)Note! The cable is not included.(3) Interface Signal(4) Connector Pin Allocation23 41(5) Format and Type• Full-speed transmission• Self-power device(6) Data Transfer Speed• Full-speed 12Mbps(7) Interface Circuit3.3 VLЊ3T ЊTxD+ RsFull-speedBufferRsTxD-Connector No. Signal Function1 vbus Power (+5V) (Red)2 D- For data transfer (White)3 D+ For Data transfer (Green)4 GND Signal Ground (Black)Shell Shield
