Digi SM-100 Service Manual

SM100 INTERFACE
45
6.5.2 RS232C Wire
PC (9 PIN) TO SCALE RS232C PORT
6.5.3 Cash Drawer Connector
SM-100 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 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
RS232C Port9 Pin PC COM Port9 Pin
1 pin
4 pin
1 pin
4 pin
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Digi SM-100 Specifications

General

Capacity	15 kg
Weighing Units	kg, g
Display	LCD
Auto Power Off	Yes
Overload Protection	Yes
Interface	RS-232
Power Source	Rechargeable battery