Operating Status Indication; Status - Quectel UC20 Manual

A reference circuit is shown in the following figure.

3.16. Operating Status Indication

3.16.1. STATUS

The STATUS pin is an open drain output for indicating the module operation status. You can connect it to
a GPIO of DTE with pulled up, or as LED indication circuit as below. When the module is turned on
normally, the STATUS will present the low state. Otherwise, the STATUS will present high-impedance
state.
Table 21: Pin Definition of STATUS
Pin Name Pin No.
STATUS 61
The following figure shows different design circuit of STATUS, you can choose either one according to
your application demands.
UC20_Hardware_Design
Module
Network
Indicator
Figure 31: Reference Circuit of the Network Indicator
I/O Description
OD Indicate the module operation status.
Confidential / Released
UMTS/HSPA Module Series
VBAT
2.2K
4.7K
47K
Comment
Require external pull-up.
UC20 Hardware Design
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