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Chapter 6: installing virtual com ports - 37, Virtual com port installation - 37 – B&B Electronics ESP904 User Manual

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Installing Virtual COM Port

Manual Documentation Number: ESP904-0504

Chapter 6

37

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com

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The Virtual COM Port feature allows Windows platform software, using standard API
calls, to be used in an Ethernet application.

The Install Virtual COM port software adds an ESP904 (COM#) port to the computer.
This shows up in the Device Manager. The COM number can be selected from a list of
available numbers. For example, in a computer already having a COM1 and COM2,
COM3 to COM 254 is available for the ESP904. It is recommended that COM Port 5
or higher be selected. The virtual COM port looks like a standard COM port to most
Windows based applications which allows the software to open a connection with the
serial port located anywhere on the LAN/WAN. When using the virtual COM port the
ESP904 is configured as a TCP or UDP Server.

Virtual COM Port Installation

Step 1: In Windows, select

Install Virtual COM

from the

Programs

list.

Start

Programs

B&B Electronics

VLINX

ESP Servers

Install Virtual COM

The

Search Setup

window will appear.

Step 2: Click on

Search all reachable servers

and click on

OK.

Figure 23. The Search Setup Window

Installing

Virtual

COM

Port

38

Chapter 6

Manual Documentation Number: ESP904-0504

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com

The program searches the LAN for all available ESP901/ESP902/ESP904
Serial Servers. When complete, the

Found Server

window appears and

displays a list of the servers that were found.

Figure 24. The Found Server Window

Step 3: Highlight the Server at the IP Address to be mapped to a virtual

COM port, then select

OK

.

Figure 25. The COMInst Window

Windows XP provides a notice concerning Windows Logo testing for XP.

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