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| + | == Serial Interface Control Commands == |
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− | === Serial Interface Control Commands === | + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=33&zoom=100,68,232 AT&C Set DCD Function Mode]=== |
| ---- | | ---- |
| The command controls the behavior of the UE‟s DCD (data carrier detection) line. | | The command controls the behavior of the UE‟s DCD (data carrier detection) line. |
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− | [https://wiki.teltonika-networks.com/wikibase/images/2/2e/Quectel_EC25EC21_AT_Commands_Manual_V1.2.pdf#page=32 '''3.1. AT&C Set DCD Function Mode - page 31'''] | + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=33&zoom=100,68,700 AT&D Set DTR Function Mode]=== |
| + | ---- |
| + | The commanddetermines how the UE responds if DTR line is changed from lowto highlevelduring data mode. |
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| + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=34&zoom=100,68,320 AT+IFC Set TE-TA Local Data Flow Control]=== |
| + | ---- |
| + | The command determines the flow control behavior of the serial port. |
| + | |
| + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=35&zoom=100,68,388 AT+IFC Set TE-TA Local Data Flow Control]=== |
| + | ---- |
| + | The command determines the serial interface character framing format and parity received by TA from TE. |
| + | |
| + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=36&zoom=100,68,273 AT+IPR Set TE-TA Fixed Local Rate]=== |
| + | ---- |
| + | The commandis used to query and set the baud rate of the UART. The default baud rate value ('''<rate>''') is 115200bps. The setting of '''<rate>''' will not be restored with '''AT&F'''. |
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| + | ===[https://wiki.teltonika-networks.com/images/3/32/Quectel_EC25%26EC21_AT_Commands_Manual_V1.3.pdf#page=37&zoom=100,68,729 AT+QRIR Restore RI Behaviorto Inactive]=== |
| + | ---- |
| + | If the RI (ring indicator) behavior is "always",it can be restored to inactive by the Execution Command. The RI behavior is controlled by '''AT+QCFG'''. Please refer to '''AT+QCFG="urc/ri/ring'''", '''AT+QCFG="urc/ri/sms incoming'''"and '''AT+QCFG="urc/ri/other'''"for more details. |
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| + | [[Category:TRM240 AT Commands]] |