ThingMagic Sargas User Guide
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3. A USB LAN interface (RNDIS). To connect to the USB console port, see Connecting to the USB Console
Port.
4.1.3.4
External Memory (“Micro SD”)
A Micro SD, 3.3 V, interface available for various standard and custom purposes. Future firmware versions are
anticipated to use this interface as a source of new firmware and for portable tag data storage.
Control and Indicato
r Interfaces (“GPIO”)
2 Input and 2 output opto-isolated GPIO lines, are available for customizing reader control and result indication.
There is also supporting circuitry to convert them into TTL level logic, in and out. See Using GPIO
4.1.3.5 Video Output Inter
face (“HDMI”)
The HTMI interface allows connection of a video display to view the internal LINUX workstation interface or
display the results of custom applications. At this time, audio is not supported over this interface.
4.1.3.6
Host USB (“USB2”)
A USB 2.0 host interface Provides power and host-USB connectivity for various standard and custom purposes.
In the future, this interface will supports a variety of accessories, such as a keyboard, a mouse, wireless LAN
interfaces, and readers that support other RFID technologies, such as Bluetooth Low Energy (BLE).