Quectel EG915U-EU - Main_Ri

LTE Standard Module Series
EG915U-EU_Hardware_Design 53 / 81
4.10.3. MAIN_RI
AT+QCFG= “risignaltype”, “physical” command can be used to configure MAIN_RI behavior. No
matter on which port a URC is presented, the URC will trigger the behavior of MAIN_RI.
In addition, RI behaviors can be configured flexibly. The default behavior of the MAIN_RI is shown as
below.
Table 23: Behaviors of the MAIN_RI
The MAIN_RI behavior can be changed via AT+QCFG="urc/ri/ring"*. Please refer to document [2] for
details.
The URC can be outputted via UART port, USB AT port and USB modem port, which can be set by
AT+QURCCFG command. The default port is USB AT port.
State
Response
Idle
MAIN_RI keeps at high level.
URC
MAIN_RI outputs 120 ms low pulse when a new URC
return.
NOTE