Sim2 M80 Specifiche Scaricare il pdf (Pagina 47)

M80 Hardware Design

M80_HD_V1.0 - 47 -

TXD

RXD

RTS

CTS

DTR

DCD

TXD

RXD

RTS

CTS

DTR

DCD

RING

Module (DCE)

PC (DTE)

UART portUART Port

GND GND

Figure 18: Connection of all functional UART port

Three lines connection is shown as below.

Host(DTE)

controller

TXD

RXD

GND

Module(DCE)

TXD

RXD

GND

UART PORT

RTS

Figure 19: Connection of three lines UART port

UART Port with hardware flow control is shown as below. This connection will enhance the

reliability of the mass data communication.

Quectel

Confidential

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Sim2 M80 Specifiche Pagina 47