HUAWEI ME909u-523 LTE LGA Module
Application Guide
Serial Port Configuration Application Scenarios
Issue 04 (2014-12-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
87
14.2 Setting Hardware Flow Control
14.2.1
Reference Process
Command
Description
AT+IFC=0,0
Turn hardware flow control off. After hardware flow
control is turned off, communication between the UE and
the DTC is not restricted by flow control.
OK
AT+IFC=2,2
Turn hardware flow control on. After hardware flow
control is turned on, communication between the UE and
the TE is restricted by flow control: Data transmission
stops when UE's or TE's buffer level exceeds 80% and
resumes when the buffer level is below 20%.
OK
14.2.2
Troubleshooting
None