Multitech MTSMC-G-F1 Spécifications Page 21

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Chapter 3 – Electrical Characteristics
Wireless ModemModule GSM/GPRS Developer’s Guide 21
Power OFF Procedure
In order to power OFF the ModemModule, switch it OFF both via software (AT+CPOF; see AT Command
Manual for more details) and via hardware line. See the diagrams below.
ON/~OFF
AT +C P OF
Serial Link
to ModemModule
OK r e s po n se
Serial Link
from
Mo de m Mod ul e
About
500 ms
Modem Modul e
Stat u s
___
ON
OFF___
Figure 3-4: Power-Off Procedure 1
ON /~O FF
AT+ CP OF
Serial Li nk
to ModemModule
OK response
Serial Li nk
from
ModemModule
___
ON
OF F__ _
About
500 ms
ModemModule
Stat us
About
500 ms
Figure 3-5: Power-Off Procedure 2
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