Specifications

WM_PRJ_Q2501_PTS_001 – 003
March 2004
© 2003 All rights reserved
Page: 34 / 93
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Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à des tiers sans son
autorisation préalable.
POWER SUPPL
Y
ON/
~
OFF
STATE OF THE MODULE
Module OFF
I
BB+RF
< 10 µA
AT answers « OK »
Module READY
T
on/off-hold
(1 s min)
SIM and Network dependent
RESET mode
I
BB+RF
=20 to 40 mA
INTERNAL RS
T
T
rst
(240 ms typ)
Module ON
I
BB+RF
<120 mA
(no loc. update)
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 ON/~OFF 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 SUPPL
Y
ON/
~
OFF
AT COMMAND
STATE OF THE MODULE
AT+CPOF
Module
READY
Module OFF
I
BB+RF
<100 µA
Network dependent
OK res
p
onse
I
BB+RF
= overall current consumption (Base Band + RF part)
Figure 10: Power-OFF sequence diagram