Sam4s NR-510B Operating And Programming Manual page 14

Inserting of External SD Card
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Connections
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14 • Introduction
The SD slot is located in the printer compartment. Remove the printer cover.
Remove the security screw to access the slot.
Insert or Remove the SD card.
The Serial port can be connected to PC, Scanner, Kitchen Printer and Pole display.
The USB (Device and Host) port can be connected to PC, scanner or memory.
If you want to know more details, See page on 108 for USB specification.
The Ethernet port(LAN) is option.
SAM4S NR-500 Series Manual