Rainbow Electronics MG260 - Manual (Page 34)

MG260 Product Specification
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POWER SUPPLY
ONKEY T
on/off-hold
(1 s min)
INTERNAL RST
STATE OF THE MODULE
Module OFF
I
BB+RF
< 10 µA
T
rst
(240 ms typ)
RESET mode
I
BB+RF
=20 to 40 mA
Module ON
I
BB+RF
<120 mA
(no loc. update)
AT answers « OK »
Module READY
SIM and Network dependent
I
BB+RF
= overall current consumption (Base Band + RF part)
Figure 9: Power-ON sequence diagram (no PIN code activated)
2.5.2.2.2 Power OFF
To properly power OFF the module, the application must set the ONKEY signal to low and
then send the AT+CPOF command to de-register from the network and switch off the
module. Once the « OK » response is issued by the module, the power supply can be
switched off.
POWER SUPPLY
ONKEY
AT COMMAND
AT+CPOF OK response
STATE OF THE MODULE
Module
READY
Network dependent
Module OFF
I
BB+RF
<100 µA
I
BB+RF
= overall current consumption (Base Band + RF part)
Figure 10: Power-OFF sequence diagram