User's Manual

Smart Machine Smart Decision
SIM7600E-H_User Manual_V1.00 2017-10-11
Table 17: NETLIGHT pin status
NETLIGHT pin status
Module status
Always On Searching Network; Call Connect(include VOLTE,SRLTE)
200ms ON, 200ms OFF Data Transmit; 4G registered;
800ms ON, 800ms OFF 2G/3G registered network
OFF Power off ;Sleep
Note: NETLIGHT output low level as “OFF”, and high level as “ON”.
3.12 Flight Mode Control
The FLIGHTMODE pin can be used to control SIM7600E-H to enter or exit the Flight mode.
In Flight mode, the RF circuit is closed to prevent interference with other equipments and
minimize current consumption. Bidirectional ESD protection component is suggested
to add on FLIGHTMODE pin, its reference circuit is shown in the following figure.
4.7K
4.7K
Switch
1.8V
Module
FLIGHTMODE
Figure 28: Flight mode switch reference circuit
Table 18: FLIGHTMODE pin status
FLIGHTMODE pin status
Module operation
Input Low Level
Flight Mode: RF is closed
Input High Level
AT+CFUN=0: RF is closed
AT+CFUN=1:RF is working