Network Status; Operating Status Indication; Pin Multiplex Function - SIMCom Wireless Solutions SIM7600A-H User Manual

3.8

Network Status

The NETLIGHT pin is used to control Network Status LED, its reference circuit is shown in the
following figure.
Note: The value of the resistor named "R" depends on the LED characteristic.
Table 16: NETLIGHT pin status
NETLIGHT pin status
Always On
200ms ON, 200ms OFF
800ms ON, 800ms OFF
OFF
Note: NETLIGHT output low level as "OFF", and high level as "ON".
3.9

Operating Status Indication

The pin50 is for operating status indication of the module. The pin output is high when module is
powered on, and output is low when module is powered off.
Table 17: Pin definition of the STATUS
Pin name
STATUS
Note: For timing about STATUS, please reference to the chapter "3.2 power on/down scenarios"

3.10 Pin Multiplex Function

Some pins of Module could be used for alternate function besides default function.
SIM7600A-H_User Manual_V1.00
Figure 25: NETLIGHT reference circuit
Module status
Searching Network/Call Connect
Data Transmit
Registered network
Power off / Sleep
Pin number Description
50 Operating status indication
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2017-11-24