Quectel EC200U Series Hardware Design page 59

Table 28: Pin Definition of Network Connection Status/Activity Indicator
Pin Name Pin No.
NET_MODE 5
NET_STATUS 6
Table 29: Working State of Network Connection Status/Activity Indicator
Pin Name Logic Level Changes
Always high
NET_STATUS
Always low
Flicker slowly (200 ms high/1800 ms low)
Flicker quickly (234 ms high/266 ms low)
NET_MODE
Flicker rapidly (62 ms high/63 ms low)
Always high
A reference circuit is shown in the following figure.
EC200U_Series_Hardware_Design
I/O Description
Indicate the module's network activity
DO
status
Indicate the module's network
DO
registration mode
Module
Network
Indicator
Figure 26: Reference Circuit of Network Indicator
LTE Standard Module Series
Network Status
Registered on LTE network
Others
Network searching
Idle
Data transfer is ongoing
Voice calling
VBAT
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Comment
1.8 V power domain.
If unused, keep them
open.
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