Data Sheet

Smart Machine Smart Decision
SIM800F_Hardware Design_V1.00 44 2015-07-31
4.15 Network Status Indication
Table 28: Pin definition of the STATUS
The NETLIGHT pin can drive one LED to indicate network status, which are listed in the following table:
Table 29: Status of the NETLIGHT pin
Status SIM800F behavior
Off Powered off
64ms On/ 800ms Off Not registered to the network
64ms On/ 3000ms Off Registered to the network
64ms On/ 300ms Off GPRS communication is established
A reference circuit is recommended in the following figure:
Module
NETLIGHT
VBAT
4.7K
47K
Figure 39: Reference circuit of NETLIGHT
Table 30: NETLIGHT multiplex function
Pin name Pin number Mode 0(default) Mode 1
NETLIGHT 52 NETLIGHT GPIO
4.16 Power On Status Indication
The STATUS pin indicates the power on status of module. The pin outputs high when module is powered on,
outputs low when module is powered off.
Table 31: Pin definition of the STATUS
Pin name Pin number Description
NETLIGHT 52 Network status indication
Pin name Pin number Description
STATUS 66 Power on status indication