Datamax PrintPAD Series User Manual page 63

PRINTPAD 7900 USER'S GUIDE
Using DEX Capabilities
Bottom of printer
DEX Port
Figure 12
The direct exchange (DEX) port can only used with the
Datamax-O'Neil approved DEX cable (P/N 210237-000).
When the DEX cable is plugged into both the printer
and into a data source, the printer automatically turns
off to allow data transfer between devices.
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