3.3 Connector Signal Details
1) CN1: Power Input Connector
*Refer to [2.6 Power Specifications]
2) CN3: USB Data Signal Input Connector
Printer side : B jack DUSB-BRA42-T11(DDK) or equivalent
Host side : B plug or equivalent
Pin
№
Signal INPUT/OUTPUT
Function
Remark
1
VBUS
INPUT
Power line Non twist power line
2
D-
INPUT/OUTPUT
Data line
Twist pair signal line
3
D+
INPUT/OUTPUT
Data line
Twist pair signal line
4
GND
–
Power line Non twist power line
Shell Shield
–
*Use USB cable that conforms to the standard (FULL SPEED)
*Performance with a non-standard USB cable is not guaranteed.
3) CN2: SERIAL Data Signal Input Connector
Printer side : B5B-PHK-S(JST) or equivalent
Host side : PHR-5 (JST) or equivalent
Pin
№
Signal INPUT/OUTPUT
Function
Remark
1
RXD
INPUT
Serial receiving data
2
TXD
OUTPUT
Serial transmitting data
3 RTS OUTPUT Receiving
permission
signal
4
CTS
INPUT
Transmit permission signal
5
GND
–
Ground for signal
*
Use shield cable for SERIAL cable and make sure to connect shield edge of printer
side to FG terminal attached in below figure of the printer.
*
In case of actual use, use after sufficient confirmation by the user’s side.
CN1 Power Input connector
CN3 USB connector
CN2 SERIAL connector
FG terminal
D-F10072 NP-K3053/K2053 Product Specifications Rev.1.00
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