Lantronix Com Port Redirector User manual

Part No. 900-445

Rev. C July 2006

Com Port Redirector v.4

Quick Start

Contents

Introduction .................................................................................................................................. 1

Overall Procedure ........................................................................................................................ 1

Installation .................................................................................................................................... 2

Device Server Configuration Guidelines...................................................................................... 4

Quick Setup.................................................................................................................................. 5

1. Com Port List........................................................................................................................ 5

2. Search for Device Servers ................................................................................................... 6

3. Add or Remove Com Ports .................................................................................................. 7

4. Configure the Com Port........................................................................................................ 8

Introduction

Lantronix's Com Port Redirector (CPR) v.4, powered by TruPort™technology, is a software

utility for network-enabling software applications that do not have network support. Com Port

Redirector installs virtual communication ports; these communication (com) ports are redirected

over a network to the serial port of a Lantronix device server. TruPort® Technology combines

RFC2217 Com Port control protocol with Lantronix® data handling, discovery, and device

server technology, enabling advanced remote serial interface control.

CPR supports Windows XP, Windows 2000 and 2003 server, and Windows Vista, including

Terminal Services.

Example of How Com Port Redirector Works

Com Port Redirector consists of the following modules:

CPR Manager enables you to map com ports to device servers, configure, and test comports.

CPR Monitor enables you to identify and troubleshoot problems.

You will find detailed instructions for using the modules in the Com Port Redirector online Help.

Overall Procedure

The following procedure summarizes the steps for using Com Port Redirector.

1. Install Com Port Redirector on each PC that will communicate with the device server.

2. Review the general usage guidelines for the device server.

3. Configure the device server and Com Port Redirector.

4. Verify the connectivity between Com Port Redirector and the device server.

Installation

To install Com Port Redirector:

1. Perform the appropriate step to start the installation:

If Com Port Redirector is on a CD-ROM, insert the CD-ROM into the computer’s CD-

ROM drive and click the Redirector button,

If you downloaded Com Port Redirector, double-click the downloaded file.

The Lantronix CPR Welcome window displays.

2. Click the Next button. The Select Installation Folder window displays.

3. Browse to the folder where you want to install the CPR. We recommend you select the

default.

4. To view available disk space on your drives, click the Disk Cost button.

5. Click the Next button. The Confirm Installation window displays.

6. Click the Next button. The installation begins; then a warning message displays

indicating that CPR has not passed Windows Logo testing.

7. Click the Continue Anyway button. The installation continues and the warning displays

again.

8. Click the Continue Anyway button again. The installation continues until the Installation

Complete window displays.

9. Click the Close button.

Device Server Configuration Guidelines

Observe the following general guidelines when preparing the device server for use with Com

Port Redirector:

The device server to which Com Port Redirector will connect must have an IP address.

The PC running Com Port Redirector must have a good network connection to the device

server.

If redirecting over a Wide Area Network (WAN), both the PC and the device server must

have a correct gateway address configured in their TCP/IP settings.

Serial settings on the device server must match the settings of the serial device when

RFC2217 is not implemented. Serial settings include:

- Baud rate

-Parity

-Stop bits

- Flow control

-Interface mode (RS-232 or RS-422/485)

Consult your device server documentation for information about configuring these

serial settings for your device server.

Connect/Disconnect and Access Modes: You must configure the way the device server

accepts a connection appropriately for the device server to accept a network connection

from Com Port Redirector.

- CoBox, UDS, XPort, and XPress products: Set the Connect Mode to C0 and

Disconnect Mode to 00. If the CPR com port is set for Listen Mode, set the

Connect Mode to 05.

Note: If you are using RFC2217, set the Disconnect Mode to 40.

-MSS, ETS, and SCS products: Set the access mode to "Dynamic" or "Remote" on

the serial port receiving the connection from the Com Port Redirector.

Serial cabling between the managed serial device and the device server must be correct.

Consult your documentation for the pinouts of your device server.

Quick Setup

1. Com Port List

CPR enables you to create up to 256 com ports. The tree structure in the left pane of the

window displays existing com ports, and the Com Port List tab lists them on the right, along

with additional information, if available.

To view com port information:

1. Click the Com Port List tab (if not displaying).

2. View information about each listed com port, if available:

Com Port

List Setting

Description

IP Address IP address of the device server to which the com port is

connected.

TCP Port TCP port on the device server to which the com port is

connected (for example, 10001 if using channel 1 or 10002 if

using channel 2 on a UDS or XPort device server).

COM

Status

Indicates whether the com port is open or closed.

Network

Status

Status of the connection between the com port and the device

server, e.g., Disconnected.

2217 Yes indicates RFC 2217 is enabled.

BfrWr Yes indicates buffer writes is enabled.

SvrRec Yes indicates CPR will attempt reconnecting to the device

server if the device server disconnects from CPR.

NoCls Yes indicates that when an application closes the com port,

CPR will not close the network connection.

CntTO Number of seconds the com port will wait before attempting to

connect to the next device server in the list, or before aborting

Com Port

List Setting

Description

the connection attempt.

TORec Yes indicates CPR will re-establish the connection if a

connection times out.

KpAlv Yes indicates TCP KeepAlive is enabled.

2. Search for Device Servers

Use the search feature to list the Lantronix device servers currently on the network. You can

name a device server and its TCP port and hide or display the list of devices servers.

Note: This version of CPR does not detect the following Lantronix products: MSS, ETS, SCS,

MPS, and EPS.

To list device servers:

1. Click the Search icon . A list of Lantronix device servers on the local network

displays in the bottom pane of the window.

2. View the following information about the device server, if available:

Device

Seting

Description

Address

IP address of the device server to which the com port is

connected.

TCP Port

Serial port (channel 1 or channel 2) on the device server to which

the com port is connected. All MSS products use port 3001 for

channel 1 and 3002 for channel 2. All CoBos products (UDS,

CoBox, and XPress) and XPort products use port 10001 for

channel 1 and 10002 for channel 2.

Note: For instructions on configuring port numbers using Telnet

or a web interface, see the user guide for the Lantronix device

server.

Device

Name

A user-supplied name that identifies the device server.

Device

Seting

Description

Port

Name

A user-supplied name that identifies the port.

Address

Hardware address (also called MAC or Ethernet address) that

identifies the unit. It is on the product label, in the format: 00-20-

4a-XX-XX-XX, where the XXs are unique numbers assigned to

the product.

ID Device server type identifier (ID of the product).

Product Product name, for example, UDS200, XPort-O3, or SDS1100.

To name a device server and port:

1. In the Device pane, right-click in the device's row. A pop-up menu displays.

2. Select Name Device and Port. The Change Names dialog box displays.

3. Enter the Device Name and Port Name and click OK.

3. Add or Remove Com Ports

CPR allows up to 256 com ports.

Note: Any com ports on the system that are not CPR virtual com ports are inaccessible to CPR

Manager.

To add com ports:

1. Click the Add or Remove icon , or select Add and Remove from the Com Port

menu. A window displaying a list of numbered com ports opens.

2. Do one of the following:

To select com ports individually, select the appropriate checkboxes.

To select a range of com ports, enter the beginning and end of the range to the right

of the Check (Range) button and click the button.

To select all of the com ports, click the Select All button.

To clear all checkboxes, click the Select None button.

3. Click the OK button. The dialog box closes. The added com ports display in red and are

identified as new. The word "Modified" displays at the bottom of the window.

4. To save the settings, click the Save icon .

To remove a com port:

1. Click the Add or Remove icon , or select Add and Remove from the Com Port

menu.

2. Do one of the following:

To remove com ports individually, clear the appropriate checkboxes.

To remove a range of com ports, enter the beginning and end of the range to the right of

the Uncheck (Range) button and click the button.

To select no checkboxes, click the Select None button.

3. Click the OK button. The dialog box closes. Removed com ports that were never saved

no longer display. Removed com ports that were saved previously have "marked for

deletion." beside their names.

4. To save the changes, click the Save icon . The removed com ports no longer display.

4. Configure the Com Port

You must configure a new com port before it can be used by any communications software.

To configure com port settings:

1. Click the com port in the tree structure. The Settings tab displays.

Note: Alternatively, double-click the com port on Com Port List tab.

2. Enter the following information:

Com Port

Settings

Description

Buffer

Writes

If selected, when an application opens a COM port and starts

writing to that port, CPR will buffer those writes and try to send

as many as possible in a single TCP packet (speeds

processing).

Server

Reconnect

If selected, enables the com port to reconnect to the device

server after the device server disconnects from CPR.

No Net

If selected, when an application closes the com port, CPR does

not close the network connection. To disconnect CPR from the

device server, right-click the com port in the com port tree view

on the left or in the Com Port List on the right, or select

Disconnect on the Com Port menu.

Connection

Timeout (in

seconds)

Number of seconds the com port should wait before attempting

to connect to the next device server in the list, or before

aborting the connection attempt.

Timeout

Reconnect

If selected, CPR re-establishes the connection if the connection

times out. When auto-reconnecting, CPR tries to reconnect until

the connection succeeds or the number of tries reaches the

value in Reconnect Limit.

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