RZ-X750 (serv.man4). RZ-X750 Service Manual - Sharp EPOS Service Manual (repair manual). Page 72

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70
Components Layout
Connector Pin Assignment
A. CN1(9Pin MSR Header Interface)
B. CN2(4Pin RS232 Interface)
Pin
Description
Pin
Description
1
VCC
6
RDD2
2
GND
7
RCP2
3
CPD
8
RDD3
4
RDD1
9
RCP3
5
RCP1
Pin
Description
1
VCC
2
RX
3
TX
4
GND
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