SeaLevel SeaLINK +2.SC User manual

SeaLINK +2.SC

User Manual | 2223

Contents

CONTENTS............................................................................................................................................................................................................................2

INTRODUCTION...................................................................................................................................................................................................................3

BEFORE YOU GET STARTED..............................................................................................................................................................................................4

INSTALLATION & CONFIGURATION.................................................................................................................................................................................7

HARDWARE DESCRIPTION .............................................................................................................................................................................................14

SEALATCH™ USB .............................................................................................................................................................................................................15

ELECTRICAL SPECIFICATIONS ........................................................................................................................................................................................17

TECHNICAL SPECIFICATIONS.........................................................................................................................................................................................19

APPENDIX A –TROUBLESHOOTING.............................................................................................................................................................................20

APPENDIX B –HOW TO GET ASSISTANCE..................................................................................................................................................................24

APPENDIX C –ELECTRICAL INTERFACES....................................................................................................................................................................25

APPENDIX D –ASYNCHRONOUS COMMUNICATIONS.............................................................................................................................................26

APPENDIX E –CAD DRAWINGS - 2223.......................................................................................................................................................................27

APPENDIX F –COMPLIANCE NOTICES.........................................................................................................................................................................28

WARRANTY ........................................................................................................................................................................................................................29

Introduction

Overview

Sealevel’s SeaLINK® 2223 USB to serial interface adapter offers an easy way to connect two serial devices

to a single USB port. All configuration and electrical interface selections are handled through the driver,

eliminating the need to open the enclosure to set jumpers or switches. Each serial port is software

configurable for RS-232, RS-422, or RS-485 (full and half duplex) with the electrical interface settings

maintained locally, allowing the host computer to be repaired or upgraded without reconfiguring the serial

ports. Additionally, the 2223 can be configured at one computer and deployed to other computers.

Sealevel SeaCOM USB software drivers and utilities make installation and operation easy for Windows 98SE,

ME, 2000, XP, and Vista operating systems. Once the software is installed, plug the 2223 into an available

USB port and each port is recognized as a standard COM port by the host system enabling compatibility

with legacy software. Serial data rates to 921.6K bps are supported.

To prevent accidental cable disconnection, the 2223 integrates a patent-pending SeaLATCH locking USB

port, which is fully compatible with standard USB cables. When used with the included USB cable with a

SeaLATCH USB type B connector, the metal thumbscrew provides a secure connection to the device.

Standard operating temperature range is 0°C to 70°C and extended temperature range (-40°C to +85°C) is

optional. Status LEDs display electrical interface selection and serial data activity for each port.

Features

•Each port is individually software configurable for RS-232, RS-422, and two-wire or four-wire RS-

485

•Electrical interface settings maintained across multiple computers

•High speed UART with 128-byte Tx FIFO and 384-byte Rx FIFO

•Automatic hardware RS-485 enable/disable

•Two DB9M connectors –each serial port supports data rates to 921.6K bps

•Powered by USB host connection

•Full modem control signals implemented in RS-232 mode

•Status LEDs indicate power, electrical interface, and serial data activity

•Flexible mounting options

•DIN rail clips are available as an option

Before You Get Started

The SeaLINK+2.SC is shipped with the following items. If any of these items is missing or damaged, please

contact Sealevel for replacement.

•2223 –USB to RS-232/422/485 Two Port Serial Interface Adapter

•CA356 –USB Type A to SeaLATCH USB Type B Device Cable, 6’ in Length

Advisory Conventions

Warning

The highest level of importance used to stress a condition where damage could result to the

product, or the user could suffer serious injury.

Important

The middle level of importance used to highlight information that might not seem obvious or a

situation that could cause the product to fail.

Note

The lowest level of importance used to provide background information, additional tips, or other

non-critical facts that will not affect the use of the product.

Optional Items

Depending upon your application, you are likely to find one or more of the following items useful. All items

can be purchased from our website (www.sealevel.com) or by calling our sales team at (864) 843-4343.

Cables

DB9F to DB25M (RS-232) Extension Cable (Item# CA177)

The CA177 is a standard AT-style RS-232 modem cable

with a DB9F connector on one end and a DB25M

connector on the other. This cable is 72 inches length.

DB9F to DB9M Extension Cable (Item# CA127)

The CA127 allows users to extend a DB9 cable up to six

feet. The connectors are pinned one-to-one, so the cable

is compatible with any device or cable that has DB9

connectors.

DB9F (RS-422) to DB25M (RS-530) Cable (Item#

CA176)

The CA176 allows users to convert any Sealevel

RS- 422 DB9 Male asynchronous adapter to an

RS-530. DB25 Male pinout. This cable is ten

inches in length.

Terminal Blocks

Terminal Block –DB9F to 9 Screw Terminals (Item# TB05)

The TB05 terminal block breaks out a DB9

connector to nine screw terminals to simplify

field wiring of serial connections including RS-

422 and RS-485 networks. The TB05 is designed

to connect directly to Sealevel DB9 serial cards

or any cable with a DB9M connector.

Terminal Block –Dual DB9F to 18 Screw Terminals (Item# TB06)

The TB06 terminal block breaks out dual DB9 connectors

to 18 screw terminals to simplify field wiring of serial

connections including RS-422 and RS-485 networks. The

TB06 is designed to connect directly to Sealevel dual port

DB9 serial cards or any cable with DB9M connectors.

Adapters and Converters

DB9F to RJ45 Modular Adapter (Item# RJ9S8)

The RJ9S8 is a DB9 female to RJ45 adapter. It can be

configured without tools, and it is an excellent choice for

using available infrastructure wiring.

Installation & Configuration

Software Installation

Windows 98/ME/2000/XP/Vista™ Operating Systems

1. Begin by locating, selecting, and installing the correct software from the Sealevel software

driver database.

2. Select the Part Number (2223) for your device from the listing.

3. Click the ‘Download Now’ button. The SeaCOM software is available for Windows and Linux.

4. The setup file will automatically detect the operating environment and install the proper

components.

To confirm that the SeaCOM driver has been successfully installed, click on the ‘Start’ button, and then

select ‘All Programs.’ You should see the ‘SeaCOM’ program folder listed.

You are now ready to proceed with connecting the 2223 to your system. Refer to the Hardware

Installation section for details.

Windows NT is not USB aware and thus cannot support this device.

Hardware Installation

Do not connect the device to a USB port until the software has been successfully installed.

To install the 2223, plug the device into an available USB port using the supplied USB cable. The following

instructions were tested with Windows XP and may vary based on your version of Windows.

Once the device has been connected, the Found New Hardware wizard will appear first for the root hub and

then for each port that you are installing. Follow the instructions on the following page to finish installation.

The installation will repeat twice for the COM port. This is a limitation in the way Windows installs

external serial devices. .

1. Click on ‘Install the software automatically’ followed by the ‘Next’ button.

2. Windows will show a warning message that the hardware has not passed Windows

logo testing. Click on ‘Continue Anyway.’

3. Click on ‘Finish.’ Repeat this process for the remaining ports on the 2223.

All applications and drivers have been fully tested to maintain the integrity of your operating

system. Clicking on ‘Continue anyway’ will not harm your system in any way.

Verifying Installation

To confirm that the drivers have been successfully installed, you can look in Device Manager under ‘Ports

(COM & LPT)’ and the port you installed will be included on the list with the associated COM number. To

access Device Manager, follow the steps below:

1. Right-click on the ‘My Computer’ icon on your desktop or in the Start menu.

2. Click on ‘Properties’ in the fly out menu to launch the ‘System Properties’ window.

3. Click on the ‘Hardware’ tab and then click on the ‘Device Manager’ button.

4. When Device Manager launches, look under ‘Ports (COM & LPT)’ to verify that the serial port has

been correctly installed (screenshot of 2833 shown; only one port will be listed for the 2223).

Hardware Installation, Continued

Your system will assign the next available COM numbers which may vary for each computer used.

Hardware Configuration

Electrical Interface Mode Selection

The 2223 offers RS-232, RS-422, and RS-485 (full and half duplex) modes. The electrical interface is a

software selectable feature that can be accessed and changed using the Sealevel SeaCOM driver via Device

Manager. To select the electrical interface, follow the steps below:

1. Open Device Manager and locate ‘Ports (COM&LPT)’ following the steps above. You should see

the 2223’s port listed.

2. Select the port by right-clicking on it and selecting ‘Properties’ from the fly out menu. The serial

port properties menu will appear.

3. Click on the ‘Interface Settings’ tab (screenshot of 2833 shown).

The Sealevel SeaCOM driver adds the ‘Interface Settings’ tab. If this tab is missing, SeaCOM is not

correctly installed.

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