Digi SM-5100 - Page 35

SM5100 INTERFACE
5.5.2 RS232C Wire
PC (9 PIN) TO SCALE RS232C PORT
5.5.3 Cash Drawer Connector
SM-5100 uses normal phone mike plug to connect cash drawer and the scale.
Plug in the scale Connector of Cash Drawer
Pin Output Input Pin
1 Not used. Not used 1
2 + 8 V Voltage + 2
3 GDD GDD 3
4 Not used. Not used 4
RS-232 PC
Pin
输出 输入
Pin
1
Not used
Not used 1
2 RXD TXD 2
3
TXD
RXD 3
4 DTR Not used 4
5 GND GND 5
6 DSR Not used 6
7 DTR Not used 7
8 DSR Not used 8
9 Not used Not used 9
PC COM Port（9 Pin） RS232C Port（9 Pin）
4 pin
1 pin
1 pin
4 pin
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