Cinterion
®
Connect Shield User Guide
2.3 Buttons
18
connect_shield_ug_v01 2017-01-13
Confidential / Released
Page 13 of 19
2.3 Buttons
Pressing the ON/OFF button shortly starts the modem - indicated by the LED lighting up.
Pressing the ON/OFF button for more than 3s switches off the modem’s power supply, i.e.,
powers off the modem, which is indicated by the LED going off.
Note: An Arduino may come with a default low level at the ON signal that causes the Connect
Shield to have the power supply permanently disabled. Such a case is indicated by the LED
remaining off when stacked up.
A further button is freely available, and might be polled by the modem or Arduino.
Note: The Connect Shield hardware revision A2 does not support the button being controlled
by the Arduino.
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