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Cash drawers
The SurePOS Models 721/741/781 and 722/742/782 are preconfigured from the
factory to work correctly with all IBM cash drawers. In this automatic mode, the
system can correctly detect the difference between IBM 24-V and IBM 38-V cash
drawers. Cash drawer port 3A provides auto-sensing function for an IBM cash
drawer.
Note: Automatic mode sets the cash drawer operating voltage for both cash drawer
If you are using a non-IBM drawer, the automatic mode will not work correctly, and
damage to either the cash drawer, system unit, or both is possible. If a customer
has two connected cash drawers, both drawers must be the same voltage.
You can configure the cash drawer voltage (24 V or 38 V) by using the
configuration options on the POS configuration setup program or with the jumper
override. Figure 11 shows the location of the cash drawer voltage jumper on the
riser card and a diagram with the position of the jumpers.
Figure 11. Setting the cash drawer using the jumper override. Tip: Using Adobe Acrobat, you
can magnify the digital picture to see a close-up view of the card
Table 5 provides the correct jumper settings for the 24 V and 38 V cash drawers:
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SurePOS 700 Series: SurePOS 700-721/741/781, 722/742/782 Planning, Installation, and Operation Guide
ports. If you connect a 24-V cash drawer to port 3A and connect a second
drawer, it must also be a 24-V drawer.
Table 5. Cash drawer jumper settings
Voltage
Automatic setup (default)
Manual 24 V
Manual 38 V
Jumper JP2
Not used
2-3
1-2
Updated October 31, 2007
JP2
JP3
3
2
1
Jumper JP3
2-3
1-2
1-2
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