SeaLINK+8/232.RJ User Manual Part Number 2804 www.sealevel.com PO Box 830 – Liberty, SC 29657 864.843.
Table of Contents INTRODUCTION......................................................................................................................... 1 OTHER SEALEVEL USB SERIAL I/O PRODUCTS ........................................................................... 2 BEFORE YOU GET STARTED................................................................................................. 3 WHAT’S INCLUDED .......................................................................................................
Introduction The Sealevel Systems SeaLINK+8/232.RJ (Item# 2804) is a USB device that equips the PC with eight RS-232 Asynchronous serial ports that support TX, RX, RTS, and CTS and data rates up to 115.2K baud. The 2804 is housed in an attractive plastic enclosure with a high-retention USB type "B" connector that prevents accidental disconnection of the included USB cable. The 2804 is USB bus powered, so no external power supply is required.
Sealevel USB Serial I/O Products This manual covers the installation and operation of these devices: Model # Part # Description SeaLINK+232 2101 - 1-Port RS-232 DB25 SeaLINK+232 2105 - 1-Port RS-232 DB9 SeaLINK+485 2102 - 1-Port RS-422/485/530 DB25 SeaLINK+232I 2103 - 1-Port Isolated RS-232 DB25 SeaLINK+485I 2104 - 1-Port Isolated RS-422/485/530 DB25 SeaLINK+422 2106 - 1-Port RS-422 Cable DB9 SeaLINK+232.
Before You Get Started What’s Included The SeaLINK+8/232.RJ is shipped with the following items. If any of these items is missing or damaged please contact Sealevel for replacement. Item# 2804 – SeaLINK+8/232.RJ USB 8-Port Serial Device Item# CA179 – 72” USB ‘A’ to ‘B’ Device Cable Item# LB116 – RS-232 RJ45 Serial Loopback Sealevel SeaCOM Software CD Optional Items Depending upon your application, you are likely to find one or more of the following items useful for interfacing the SeaLINK+8/232.RJ.
Software Installation Windows 98/ME/2000/XP Do not connect the device to a USB port until the software has been fully installed. 1. Start Windows. 2. Insert the Sealevel Systems CD in to your CD drive. 3. If ‘Auto-Start’ is enabled for this drive the software will automatically launch. Otherwise, point your browser to the ‘Index.htm’ on the root directory of the CD 4. Select ‘Install Software’. 5. Select the Part Number for your adapter from the listing. 6. Select ‘Windows 98/ME/2000/XP’.
Physical Installation The SeaLINK+8/232.RJ can be connected to any spare USB port. Do not connect the device to a USB port until the software has been fully installed. 1. Connect the SeaLINK+8/232.RJ to a USB port with the supplied CA179 USB device cable. 2. The software drivers installed during setup will automatically recognize and configure the device. 3. You should see one or more “New Hardware Found” windows, indicating the actual device being created. 4.
Technical Description The SeaLINK+8/232.RJ utilizes eight USB UARTs. These chips feature programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte Dual Port RX Buffer. The RS-232 transceivers support data rates up to 115.2K bps.
Optional DC Power on Pin 5 The 2804 is USB bus powered, so no external power supply is required. For conveniently powering serial peripherals, ordering options allow an external power source up to be connected to a DC jack on the rear of the unit. The supplied power is connected to pin 5 on each of the eight RJ45 connectors. Each serial port utilizes an auto-resetting fuse rated at 500mA. Ordering options are shown below: Item# 2804-DC05 Configured for 5VDC input power using a 2.
Electrical Characteristics Features Provides eight RJ45 serial ports with status LEDs Housed in rugged, attractive plastic enclosure Integrates transmit and receive LED indicators on each port High-retention USB type “B” connector prevents accidental disconnection of USB cable Powered by USB connection Specifications Temperature Range Operating: Storage: -0° – +70°C -50° – +105°C Power Requirements +5VDC @ 300mA Physical Dimensions Length 7.0” 23.32 cm Width 16.8” 13.34 cm Height 1.7” 4.
Appendix A - Troubleshooting Sealevel Software is supplied with the Sealevel Systems adapter and may be used in the troubleshooting procedures. Using this software and following these simple steps can eliminate most common problems without the need to call Technical Support. 1. If your adapter isn’t working, first check to make sure that USB support is enabled in the System BIOS and it is functioning properly in the operating system.
Appendix B - How To Get Assistance Begin by reading through the Trouble Shooting Guide in Appendix A. If assistance is still needed please see below. When calling for technical assistance, please have your user manual and current adapter settings. If possible, please have the adapter installed in a computer ready to run diagnostics. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.
Appendix C – Electrical Interface RS-232 Quite possibly the most widely used communication standard is RS-232. This implementation has been defined and revised several times and is often referred to as RS-232 or EIA/TIA-232. The IBM PC computer defined the RS-232 port on a 9 pin D sub connector and subsequently the EIA/TIA approved this implementation as the EIA/TIA-574 standard.
Appendix D - Asynchronous Communications Serial data communications implies that individual bits of a character are transmitted consecutively to a receiver that assembles the bits back into a character. Data rate, error checking, handshaking, and character framing (start/stop bits) are pre-defined and must correspond at both the transmitting and receiving ends. Asynchronous communications is the standard means of serial data communication for PC compatibles and PS/2 computers.
Appendix E – Silk Screen – 2804 PCB © Sealevel Systems, Inc. - 13 - SeaLINK+8/232.
Appendix F - Compliance Notices Federal Communications Commission Statement FCC - This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Warranty Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured products. We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product development, production, burn-in and testing. Sealevel Systems, Inc.
