MeiG
Product
Manual
of
SLM750
Module
SLM750
Module
Hardware
Design
Page 49, total 84 pages
NET_STATUS 6
DO
Indicate the module network
activity status.
1.8V power
supply domain
NET_MODE 5
DO
Indicate the module network
registration mode.
1.8V power
supply domain
Table 16: Working State of the Network Indicator
Mode
Status
Description
NET_MODE High
level
Register LTE network status
Low level
Others
NET_ STATUS Flicker (200ms OFF/1400ms
ON)
Data transfer status
High level
Registration success
Low level
Others
3.14 Status
The STATUS pin is an open drain output for indicating the module’s operation status. You can
connect it to a GPIO of DTE with a pull up resistor, or as the LED indication circuit shown below.
When the module is turned on normally, the STATUS will present high level.
Table 17: STATUS pin description
Pin name Pin no. Description
I/O
Note
STATUS 61 Indicate the
module operation
status
OD
Require external
pulling-up
The following figure shows different design circuits of STATUS, you can choose either one
according to your application demands.
