44473001TH Rev.1 30 /Oki Data CONFIDENTIAL 1. CONFIGURATION1.5 Interface specifications1.5.1 USB Interface Specification1.5.1.1 Outline of USB Interface(1) Basic SpecificationUSB(2) Transmission ModeHi 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)(2) CableCable length : Specification Cable of USB2.0 spec. of less than 5m.(lessthan 2m is recommended)(Shielded cable is used here.)1.5.1.3 USB Interface SignalName of Single Function1 Vbus Power Supply (+5V)(red)2 D - Data transmission (white)3 D + Data transmission (green)4 GND Single ground (black)Shell Shield23 41Connector pin arrangement• Cable side: B plug (off)