GE863-PRO3Hardware User Guide

1vv0300773a Rev. 0 - 24/01/08

The signals of the GE863-PRO3GSM/GPRS engine serial port are:

 

RS232 Pin

 

Signal

 

GE863-PRO3

 

Name

 

Usage

 

 

Number

 

 

Ball

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

DCD -

C7

 

Data Carrier Detect

 

Output from the GE863-PRO3GSM/GPRS engine

 

 

 

dcd_uart

 

 

 

 

that indicates the carrier presence

 

 

 

 

 

 

 

 

2

 

RXD -

E10

 

Transmit line *see Note

 

Output transmit line of GE863- PRO3 GSM/GPRS

 

 

 

tx_uart

 

 

 

 

engine

 

 

 

 

 

 

 

 

3

 

TXD -

E9

 

Receive line *see Note

 

Input receive of the GE863- PRO3 GSM/GPRS

 

 

 

rx_uart

 

 

 

 

engine

 

 

 

 

 

 

 

 

4

 

DTR -

C6

 

Data Terminal Ready

 

Input to the GE863- PRO3 GSM/GPRS engine that

 

 

 

dtr_uart

 

 

 

 

controls the DTE READY condition

 

 

 

 

 

 

 

5

 

GND

All GND

 

Ground

Ground

 

 

 

 

 

 

 

 

6

 

DSR -

C5

 

Data Set Ready

 

Output from the GE863- PRO3 GSM/GPRS engine

 

 

 

dsr_uart

 

 

 

 

that indicates the module is ready

 

 

 

 

 

 

 

 

7

 

RTS -

C8

 

Request to Send

 

Input to the GE863- PRO3 GSM/GPRS engine that

 

 

 

rts_uart

 

 

 

 

controls the Hardware flow control

 

 

 

 

 

 

 

 

8

 

CTS -

C9

 

Clear to Send

 

Output from the GE863- PRO3 GSM/GPRS engine

 

 

 

cts_uart

 

 

 

 

that controls the Hardware flow control

 

 

 

 

 

 

 

 

9

 

RI -

C4

 

Ring Indicator

 

Output from the GE863- PRO3 GSM/GPRS engine

 

 

 

ri_uart

 

 

 

 

that indicates the incoming call condition

NOTE: According to V.24, RX/TX signal names are referred to the application side, therefore on the GE863-PRO3

GSM/GPRS engine side these signal are on the opposite direction: TXD on the ARM application side will be connected to the receive line (here named TXD/ rx_uart ) of the GE863-PRO3 GSM/GPRS engine serial port and viceversa for RX.

TIP: For a minimum implementation, only the TXD and RXD lines can be connected, the other lines can be left open provided a software flow control is implemented.

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Telit Wireless Solutions 1vv0300773a manual Signals of the GE863-PRO3GSM/GPRS engine serial port are

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