B&B Electronics QSU2-400-EMB Manual do Utilizador descarregar pdf (Página 18)

Making external connections Quatech USB-to-Serial Adapter User’s Manual

Testing DB-9 serial ports in HyperTerminal

This section explains how to test the functionality of your USB-to-

Serial adapter using Hyperterminal for RS-232 ports and RS-422/485

ports.

An RS-232 loopback connector is included with the USB-to-Serial

adapter. For MEI models, an RS-422/485 loopback is also included.

Running Hyperterminal

Step Procedure Description

 Step 1 Attach the loopback connector to the DB-9

connector.

Be sure to use the correct loopback

connector for RS-232 or RS-422/485.

 Step 2 Launch HyperTerminal. In Windows, select Programs/

Accessories/ Communications/

HyperTerminal.

 Step 3 Create a new session. When prompted, give the session any

name you wish.

 Step 4 Select the COM # associated with port 1

from the drop down list.

You are now set up to test the first serial

port.

Note: Leave all settings at default.

 Step 5 With the session open, type any text. If the text you type is echoed on the

screen, the port is functioning properly.

 Step 6 Close the session.

 Step 7 Repeat steps 3 through 6 for each serial

port.

If the text you type is echoed on the

screen, the port is functioning properly.

Page 14 Rev 1.01 (February 2007)

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B&B Electronics QSU2-400-EMB Manual do Utilizador Página 18