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2. The time of pulling down PWRKEY of UG96/UG95 and M95 R2.0 is different.
3. The parts marked in black in the above figure are for UG96/UG95.
4. The parts marked in
4.3. Power-off Circuit
4.3.1. Turn off Module Using AT Command
There are several different ways to turn off UG96/UG95 and M95 R2.0. It is recommended to use a safe
way to turn off the module by AT+QPOWD, which will let the module log off from the network and allow
the firmware to save important data before completely disconnecting the power supply.
The power-off scenario is illustrated as the following figure.
VBA T
RXD
AT+QPO WD
STATUS
Module
Status
NOTES
1.
The parts marked in black in the above figure are for UG96/UG95.
2.
The parts marked in
3.
Network logout time is related to local network signal strength.
4.3.2. Turn off M95 R2.0 Using PWRKEY Pin
It is also a safe way to turn off M95 R2.0 by pulling down the PWRKEY pin for a period of time (0.7s~1s),
while UG96/UG95 cannot be turned off by the PWRKEY pin.
UG96&UG95&M95 R2.0_Compatible_Design
red
in the above figure are for M95 R2.0.
Log out from network in 2s~40s
M95 R2.0
UG96/UG95
RUNNING
Figure 7: Power-off Scenario
red
in the above figure are for M95 R2.0.
HSPA/UMTS/GSM/GPRS Module Series
UG96&UG95&M95 R2.0 Compatible Design
Turn-off procedure
OFF
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