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Enfora Enabler IIIG M2M
Modem Integration Guide
Typical use controlling PWR_CTL from microcontroller:
Typical connection of PWR_CTL to modem:
Modem
VBAT
Float
PWR_CTL
RESET
Figure 16 - External Power Control Signal (no external processor)
shows a typical connection to the Enfora
Enabler IIIG module in a machine-to-machine application using the external
PWR_CTL
signal, when there is
not an external processor controlling the power on/off states. The RTC deep sleep functions will
NOT
function
since the
PWR_CTL
pin is tied low, the processor will never stay in a “RTC Sleep” mode. To reset the module,
either the
RESET
pin is toggled as described in the ‘Reset Signal’ section, or power (
VBAT
) must be cycled.
Modem
VBAT
Float
PWR_CTL
RESET
Figure 15 - External Power Control Signal (no external processor)
GSM0308IG002
39
Version 1.05 – 11/13/08