Quectel EC200U Series Application Note

LTE Standard Module Series
EC200U&EG915U_Series_PPP_Application_Note 15 / 28
5 PPP Connection Termination
There are two methods to terminate the PPP dial-up connection:
1. Terminate the PPP connection through the LCP Terminate-Request message, and this method is
recommended.
2. TA can also terminate the PPP connection by changing the DTR level. Set the DTR function by
AT&D2 first, change the DTR level from low to high, and the data connection will be automatically
terminated. After the PPP connection is completely terminated, the USB/UART port will enter the
command mode. Examples are as follows:
Example
//USB/UART port is still in command mode before PPP connection is established.
AT&D2
OK
1. PPP connection termination procedures must be performed in data mode.
2. PPP connection termination procedures can be performed at any time during the PPP setting or
connecting process.
NOTE

Quectel EC200U Series Specifications

General

Brand	Quectel
Model	EC200U Series
Category	Control Unit
Language	English