Quectel RG520N-AT - Network Status Indication

5G Module Series
RG520N-AT_Hardware_Design 66 / 109
Table 30: Pin Definition of Indication Signals
4.13.1. Network Status Indication
These network indication pins can be used to drive network status indication LEDs. The module provides
two network indication pins: NET_MODE and NET_STATUS. The following table describes logic level
changes in different network status.
Table 31: Working State of the Network Connection Status/Activity Indication
Pin Name
Pin No.
I/O
Description
Comment
NET_MODE
240
DO
Indicates the module’s
network registration mode
1.8 V power domain.
STATUS
237
DO
Indicates the module’s
operation status
NET_STATUS
243
DO
Indicates the module’s
network activity status
SLEEP_IND
102
DO
Indicates the module’s
sleep mode
Pin Name
Status
Description
NET_MODE
Always High
Registered on network
Always Low
Others
NET_STATUS
Flicker slowly (200 ms High/1800 ms Low)
Network searching
Flicker slowly (1800 ms High/200 ms Low)
Idle
Flicker quickly (125 ms High/125 ms Low)
Data transmission is ongoing
Always High
Voice calling
Always Low
Minimum functionality mode