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Overview
Loopback jumper
The XBee Grove Development Board provides a three-pin jumper to connect the UART to the USB
(normal mode) or to make a loopback connection between the RX and TX signals of the UART.
In loopback mode, connect the RX line to the TX line, which transmits back any data received. You can
use loopback in transparent mode to check the signal strength and perform a range test.
XBee THT Grove Development Board Loopback jumper
XBee SMT Grove Development Board Loopback jumper
XBee Grove Development Board User Guide
Loopback jumper
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