43502101TH Rev.1 111 /Oki Data CONFIDENTIALAPPENDIX C Universal Serial Bus (USB)Universal Serial Bus Specification Revision 2.0 full speed compliance.1) Connector• Printer Side : “B” Receptacle (Upstream Input to the USB Device)• Cable Side : Series “B” Plug2) Cable• Cable Length : Max 2m (A cable must be met USB Spec Rev 2.0 for normal operation)Note: Cable is not provided.3) Table of USB I / F signalsContact Signal NameNumber1 Vbus2 D -3 D +4 GNDShell Shield4) Connector pin arrangement23 415) Mode & Class of Device• Full - speed Driver• Self - powered Device6) Data Signaling Rate• Full - speed function - 12Mb/s7) Interface circuit3.3 V1.5 kΩRs = 22 ΩTxD+ RsFull-speedBufferRsTxD-