User's Manual

SIM7600G User manual
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If the temperature is outside the range of -30~+80℃, some warning will be reported via AT port. If the
temperature is outside the range of -40~+85℃, MODULE will be powered off automatically.
For details about “AT+CPOF” and “AT+CPMVT”, please refer to Document [1].
These procedures will make MODULE disconnect from the network and allow the software to enter a safe
state, and save data before MODULE be powered off completely.
The power off scenario by pulling down the PWRKEY pin is illustrated in the following figure.
Figure 11: Power off timing sequence
Table 9: Power off timing and electronic characteristic
Symbol
Parameter
Time value
Unit
Min.
Typ.
Max.
T
off
The active low level time pulse on PWRKEY pin to
power off MODULE
--
2.5
--
s
T
off(status)
The time from power-off issue to STATUS pin output low
level(indicating power off )*
25
26
-
s
T
off(uart)
The time from power-off issue to UART port off
14
15
-
s
T
off(usb)
The time from power-off issue to USB port off
27
28
-
s
T
off-on
The buffer time from power-off issue to power-on issue
0
-
-
s
The STATUS pin can be used to detect whether MODULE is powered on or not. When MODULE has
NOTE