Oki Data CONFIDENTIAL
43163501TH Rev. 1 14 /
2
34
1
Name of Signal Function
1 Vbus Power Supply (+5V) (red)
2 D - Data transmission (white)
3 D + Data transmission (green)
4 GND Signal ground (black)
Shell Shield
1.5 Interface Specification
1.5.1 USB Interface Specification (C3400n)
1.5.1.1 Outline of USB Interface
(1) Basic Specification
USB (C3400n supports Hi-Speed USB)
(2) Transmission Mode
Full speed (12Mbps±0.25% max.)
Hi speed (480Mbps±0.05% max.)
(3) Power Control
Self power device
1.5.1.2 USB Interface Connector and Cable
(1) Connector
• Printer side: B receptacle
Upstream port
Equivalent of UBR24-4K5C00 (made by ACON)
Connector pin arrangement
• Cable side: B plug (off)
(2) Cable
Cable length: Specification Cable of USB2.0 spec. of less than 5m.(less than 2m is
recommended)
(Shielded cable is used here.)
1.5.1.3 UBS Interface Signal