Oki OKIPAGE 8z Service Handbook page 123

D Universal Serial Bus (USB)
Universal Serial Bus Specification Revision 1.0 compliance.
1) Connector
⋅ Printer Side
⋅ Cable Side
2) Cable
⋅ Cable Length : Max 5 m (A cable must be met USB Spec Rev 1.1 for normal operation)
Note: Cable is not supplied.
3) Table of USB I / F signals
Contact Number
Shell
4) Connector pin arrangement
2
3
5) Mode & Class of Device
⋅ Full - speed Driver
⋅ Self - powered Device
6) Data Signaling Rate
⋅ Full - speed function - 12Mb/s ± 0.25%(2500ppm)
7) Receive Buffer
⋅ 2044Kbytes
8) Interface circuit
: "B" Receptacle (Upstream Input to the USB Device)
: Serise "B" Plug
Signal Name
1 Vbus
2 D-
3 D+
4 GND
Shield
1
4
Full-speed
Buffer
Rs
TxD+
Rs
TxD-
Rs=22Ω
D1
Typical Wiring Assignment
Red
White
Green
Black
Drain Wire
3.3V
1.5kΩ