Quectel EC200U-CN User Manual

LTE Standard Module Series
EC200U_Series_Hardware_Design 54 / 94
Table 28: Pin Definition of Network Connection Status/Activity Indicator
Table 29: Working State of Network Connection Status/Activity Indicator
A reference circuit is shown in the following figure.
4.7K
47K
VBAT
2.2K
Module
Network
Indicator
Figure 26: Reference Circuit of Network Indicator
Pin Name
Pin No.
I/O
Description
Comment
NET_MODE
5
DO
Indicate the module's network activity
status
1.8 V power domain.
If unused, keep them
open.
NET_STATUS
6
DO
Indicate the module's network
registration mode
Pin Name
Logic Level Changes
Network Status
NET_STATUS
Always high
Registered on LTE network
Always low
Others
NET_MODE
Flicker slowly (200 ms high/1800 ms low)
Network searching
Flicker quickly (234 ms high/266 ms low)
Idle
Flicker rapidly (62 ms high/63 ms low)
Data transfer is ongoing
Always high
Voice calling

Quectel EC200U-CN Specifications

General

Brand	Quectel
Model	EC200U-CN
Category	Control Unit
Language	English