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SIM800L 데이터시트(PDF) 34 Page - SIMCom

부품명 SIM800L
상세설명  Hardware Design_V2.02
PDF  73 Pages
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제조업체  SIMCOM [SIMCom]
홈페이지  https://www.simcom.com
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SIM800L 데이터시트(HTML) 34 Page - SIMCom

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Smart Machine Smart Decision
4.6. RI Behaviors
Table 12: RI behaviors
State
RI response
Standby
High
Voice call
The pin is changed to low. When any of the following events occur, the pin will be changed
to high:
1)Establish the call
2)Hang up the call
Data call
The pin is changed to low. When any of the following events occur, the pin will be changed
to high:
1)Establish the call
2)Hang up the call
SMS
The pin is changed to low, and kept low for 120ms when a SMS is received. Then it is
changed to high.
URC
The pin is changed to low, and kept low for 120ms when some URCs are reported. Then it is
changed to high. For more details, please refer to document [10].
The behavior of the RI pin is shown in the following figure when the module is used as a receiver.
Figure 27: RI behaviour of voice calling as a receiver
Figure 28: RI behaviour of data calling as a receiver
SIM800H&SIM800L_Hardware Design_V2.02
34
2015-07-27



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