Impulse 2123 User Manual

SeaLINK.SC User Manual Item Number 2123 www.sealevel.com PO Box 830 – Liberty, SC 29657 864.843.4343

Interface Biasing 1K-ohm pull up/pull down combination resistors bias the receiver inputs and are handled automatically for each mode. The pull-up (P

Echo The RS-485 ‘Echo’ is the result of connecting the receiver inputs to the transmitter outputs. Each time a character is transmitted; it is also r

Hardware Description SeaLATCH™ USB Port The 2123 integrates a patent-pending SeaLATCH USB port, which is fully compatible with standard USB cables

SeaLATCH™ USB The 2123 integrates a patent-pending SeaLATCH USB port, which is fully compatible with standard USB cables. When used with SeaLATCH loc

SeaLATCH Locking USB Cables SeaLATCH USB Connectors SeaLATCH locking USB cables integrate a small thumbscrew into each USB connector. SeaLATCH USB c

Electrical Specifications The 2123 connects to a single USB port and provides a single RS-232/422/485 software configurable serial port. The 2123 uti

Technical Specifications Dimensions Length Width Height 4.3” 3.4” 1.3” 10.9cm 8.6cm 3.3cm Environmental Specifications Specification Operating St

Appendix A - Troubleshooting The adapter should provide years of trouble-free service. However, in the event that it appears to be functioning incorr

 On the ‘Port Information’ tab, select the COM port you want to test and click on the ‘Open’ button. (pictured below)  Click the ‘Settings’ but

 Select the ‘BERT’ tab and with the loopback connected to the port you wish to test, click on the ‘Start’ button. If testing RS-485, be sure that E

Table of Contents INTRODUCTION...

Appendix B - How To Get Assistance Begin by reading the Troubleshooting Guide in Appendix A. This will help solve most common problems. When calling

Appendix C – Electrical Interfaces RS-232 Quite possibly the most widely used communication standard is RS-232. This implementation has been defined

Appendix D – Asynchronous Communications Serial data communications implies that individual bits of a character are transmitted consecutively to a re

Appendix E – CAD Drawings – 2123 © Sealevel Systems, Inc. - 21 - SeaLINK.SC User Manual

Appendix F - Compliance Notices Federal Communications Commission Statement FCC - This equipment has been tested and found to comply with the limits

© Sealevel Systems, Inc. - 23 - SeaLINK.SC User Manual Warranty Sealevel's commitment to providing the best I/O solutions is reflected in the L

Introduction Sealevel’s SeaLINK® 2123 USB to serial interface adapter offers an easy way to connect a DB9 serial device to a USB port. All configurat

Before You Get Started What’s Included The SeaLINK.SC is shipped with the following items. If any of these items is missing or damaged please contact

Terminal Blocks Terminal Block – DB9F to 9 Screw Terminals (Item# TB05) The TB05 terminal block breaks out a DB9 connector to nine screw terminals t

Installation & Configuration Software Installation Windows 98/ME/ 2000/XP/Vista™ Operating Systems 1. Start Windows. 2. Insert the Sealevel Sof

Hardware Installation Do not connect the device to a USB port until the software has been successfully installed. To install the 2123, plug the d

Verifying Installation To confirm that the drivers have been successfully installed, you can look in Device Manager under ‘Ports (COM &LPT)’ and

Hardware Configuration Electrical Interface Mode Selection The 2123 offers RS-232, RS-422, and RS-485 (full and half duplex) modes. The electrical i