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BK-T6112 Service Manual
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1.5 Interface parameters
1.5.1 USB interface
The USB interface is the standard interface of BK-T6112, complying with the USB 2.0 protocol and working
in full speed mode.
1.5.1.1 USB interface signal definition and function description
Pin No.
Signal name
Description
1 VBUS
+5V
2
DATA-
Data transmission negative end
3
DATA+
Data transmission positive end
4 GND
Grounding
1.5.1.2 USB interface diagram
1.5.1.3 USB connecting demonstration
Host side Printer side
VBUS ..................................…VBUS
DATA-................................…. DATA-
DATA+................................... DATA+
GND .................................... GND