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TANGO55/
& TANGO56/
I
3.1.2 Power down
Normal shutdown after sending the AT^SMSO command. The Power Supply ASIC
(PSU-ASIC) disconnects the supply voltage from the base band part of the circuit.
Only a voltage regulator in the PSU-ASIC is active for powering the RTC. Software is
not active. The serial interfaces are not accessible. Operating voltage remains
applied.
3.1.3 Alarm mode
Alarm mode restricted operation launched by RTC alert function while the module is
in POWER DOWN mode. Module will not be registered to GSM network. Limited
number of AT commands is accessible.
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
I
V
1.03
ERSION
Page 21
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