Troubleshooting; Setting Hardware Flow Control; Reference Process; Huawei Mu609 Hspa Lga Module - Huawei MU609 Application Manual

HUAWEI MU609 HSPA LGA Module

Application Guide
AT&C1
OK

3.3.2 Troubleshooting

Scenario
AT&C2

3.4 Setting Hardware Flow Control

3.4.1 Reference Process

Command
AT+IFC=0,0
OK
AT+IFC=2,2
OK
Note:
3.4.2 Troubleshooting
None
Issue 02 (2013-09-18)
Possible Error
Information
ERROR
If hardware flow control is enabled, no AT commands can be executed.
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Serial Port Configuration Application Scenarios
Set the DCD pin to be valid when there are ongoing
data services and invalid after data services are
disconnected.
Description
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.
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%.
Solution
Unsupported parameter value
25