Ri Behaviors; Bluetooth Interface - Quectel BC950N-N1 Hardware Design

3.11. RI Behaviors

When there is a message received or URC output, the module will notify DTE through RI pin.
Table 15: RI Signal Status
Module Status RI Signal Level
Idle RI keeps in high level
When an SMS is received, RI outputs 120ms low pulse first and then changes to
SMS
high level and starts data output.
When URC is incoming, RI outputs 120ms low pulse first and then changes to
URC
high level and starts data output.
HIGH
LOW
Figure 23: Behaviors of RI When a URC or SMS Message is Received

3.12. Bluetooth Interface*

Bluetooth interface is used for Bluetooth wireless network communication, which currently is in the state
of being developed.
BC950N-N1_Hardware_Design
RI
120ms
idle
A UR C or SMS me ssage is received
LPWA Module Series
BC950N-N1 Hardware Design
Output data
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