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2. Universal Serial Bus (USB) Interface Specifications
2.1 USB Interface
(1) Basic specifications
Conforms to USB specification, revision 1.1.
(2) Transmission mode
Full speed (max. 12 Mbps + 0.25%)
(3) Power Control
Self-power device
2.2 USB Interface Connector and Cable
(1) Connector
Printer side: Type B receptacle
Upstrem port
UBB-4R-D14T-1 (made by JST) or equivalent
Connector pin layout
2
34
1
Cable side: Type B plug
(2) Cable
Cable length: 5 m max. (cable compliant with USB specification, revision 1.1)
(A shielded cable must be used.)
2.3 USB Interface Signals
R1 Function
1 Vbus Power Supply (+5V) (red)
2 D - Data transmission (white)
3 D + Data transmission (green)
4 GND Signal ground (black)
Shell Shield
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