Figure 18: Reference Design For Uart Port - Quectel M35 User Manual

Three-line connection is shown as below.
Module (DCE)
UART Port with hardware flow control is shown as below. This connection will enhance the reliability of
the mass data communication.
Module (DCE)
Figure 19: Reference Design for UART Port with Hardware Flow Control
M35_User_Manual
UART port
TXD
RXD
GND
0R
RTS

Figure 18: Reference Design for UART Port

TXD
RXD
RTS
CTS
GND
Confidential / Released
GSM/GPRS Module Series
M35 User Manual
Host (DTE)
Controller
TXD
RXD
GND
Host (DTE)
Controller
TXD
RXD
RTS
CTS
GND
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