Status - Quectel EG91 Series Hardware Design

Lte module
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The following tables describe the pin definition and logic level changes of NETLIGHT in different network

status.

Table 16: Pin Definition of Network StatusIndicator
Pin Name
Pin No.
NETLIGHT
21
Table 17: Working State of Network Status Indicator
Pin Name
Logic Level Changes
Flicker slowly (200ms High/1800ms Low)
Flicker slowly (1800ms High/200ms Low)
NETLIGHT
Flicker quickly (125ms High/125ms Low)
Always High
A reference circuit is shown in the following figure.
The STATUS pin is set as the module's operation status indicator. It will output high level when the
module is powered on. The following table describes the pin definition of STATUS.
EG91_Hardware_Design
I/O
Description
DO
Indicate the module'snetwork activity status
Figure 26: Reference Circuit of Network Status Indicator
3.15. STATUS
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LTE Module Series
EG91 Hardware Design
Comment
1.8V power domain
Network Status
Network searching
Idle
Data transfer is ongoing
Voice calling

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