NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 24 / 51
The following figure shows the connection between the DCE and DTE.
TXD
RXD
RI
TXD
RXD
RING
Module (DCE)
Serial port
Main port
GND
GND
PC (DTE)
Figure 9: Reference Design for Main Port
3.8.2. Debug Port
Debug port is used to view log information with UE Log Viewer tool for debugging, and the baud rate is
921600bps.
A reference design for debug port is shown as below.
DBG_TXD
DBG_RXD
DBG_TXD
DBG_RXD
Module (DCE)
Serial port
Debug port
GND
GND
PC (DTE)
Figure 10: Reference Design for Debug Port
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