insys icom GSM small 2.0 Manual page 18

Display and Control Elements
5 Display and Control Elements
5.1 Display Elements
Figure 1: LEDs on the front panel
Position Description
1 Power / RX/TX LED
2 Net / DCD LED
Table 3: Description of the LEDs on the front panel
The left LED (Power / RX/TX) indicates the status of the power supply as well as
data communication. The right LED (Net / DCD) indicates the registration state into
the GSM network as well as an existing data connection. The exact meaning of the
display elements is shown in the following table.
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INSYS GSM small 2.0