D A Q E L E C T R O N I C S
Callisto IoG
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2.6.3 LEDs
Three LED’s are located directly above each communication port, for indication of
Transmit Data (TX), Receive Data (RX), and Good Message (MSG) states. These are
useful in determining if proper communication has been established between the IoG and
the attached device or station.
RX-Blinks on whenever data is Received on the communications port
TX-Blinks on whenever data is transmitted out of the communications port
MSG-Blinks on whenever the IoG decodes a message on the port that was
intended for it to process
2.7 Ground Lug
This screw terminal is provided for bringing an earth ground connection to the module
when required. The screw is accessible with a small Phillips head screwdriver.
