Unitech PT600/630 Manual de usuario descargar pdf (Pagina 31)

PT630 Operation Guide Page 31 of 41

Chapter 5. COMMUNICATION

5.1 INSTALLATION

The RS-232 port of PT630 can communicate with the serial port of a host computer. There are

two ways to carry out communication sessions:

(1) LOCAL : Directly connect to the serial port of your computer system.

(2) REMOTE : Connected by two attached modems and one telephone line.

5.1.1 LOCAL CONNECTION:

In the Local connection method, the PT630 is directly connected by a null modem cable to the

serial port of the host computer. This is the way to download or upload files from/to your

PT630. Note that the communication parameters must be matched on your PT630 and host

computer, otherwise, the communication will fail.

CONNECTING THE PT630 TO A HOST COMPUTER

Host

Computer

9 Pins

PT630

2 RXD 3 TXD

3.TXD 2 RXD

5 GND 5 GND

7.RTS 8 CTS

8 CTS

7 RTS

When the flow control is set to CTS/RTS, the CTS (RTS) signal of one end is necessary to be

linked to the corresponded RTS (CTS) on the other end.

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Unitech PT600/630 Manual de usuario Pagina 31