Appendix Cuniversal Serial Bus (Usb) - Oki OKIPAGE 14e Service Manual

Appendix C UNIVERSAL SERIAL BUS (USB)
Universal Serial Bus Specification Revision 1.1 compliance.
1) Connector
• Printer Side
• Cable Side
2) Cable
• Cable Length
Note: Cable is not provided.
3) Table of USB I / F signals
Number
4) Connector pin arrangement
5) Mode & Class of Device
• Full - speed Driver
• Self - powered Device
6) Data Signaling Rate
• Full - speed function - 12Mb/s
7) Interface circuit
TxD+
TxD-
41605601TH Rev.2
: "B" Receptacle (Upstream Input to the USB Device)
: Series "B" Plug
: Max 5m (A cable must be met USB Spec Revision1.1 for normal operation)
Contact Signal Name
1 Vbus
2 D -
3 D +
4 GND
Shell Shield
2 1
3 4
Full-speed
Buffer
Rs
Rs
Rs = 22Ω
3.3 V
1.5 kΩ
125 /