Oki Data CONFIDENTIAL
43641601TH Rev.1
95 /
Contact No. Signal Function
1 vbus
Power supply (+5V) (Red)
2 D-
Data transfer (White)
3 D+
Data transfer (Green)
4 GND
Signal ground (Black)
Shell Shield
APPENDIX B USB INTERFACE
(1) Connector
• Printer side : B receptacle (female) (Upstream port)
USB-4R-D14T-1 (made by J.S.T. Mfg.) or equivalent
• Cable side : B plug (male)
(2) Cable
•
Use a USB2.0 cable with a length of 2.0 m max. (A shielded cable is recommended.)
Note: No cable is supplied with the printer.
(3) Interface Signal List
(4) Connector Pin Arrangement
(5) Mode and Type
• Full-speed transmission mode
• Self-powered device
(6) Data Signaling Rate
• Full speed: 12 Mbps
(7) Interface Circuit
3.3 V
1.5 kΩ
Rs = 22 Ω
TxD+
Rs
Full-speed
Buffer
Rs
TxD-
To Next Page
Loading...
