Related Manuals for SeaLevel SeaLINK+8/USB
Summary of Contents for SeaLevel SeaLINK+8/USB
- Page 1 SeaLINK+8/USB Part # 280X Sealevel Systems, Inc Phone: (864) 843-4343 P.O. Box 830 FAX: (864) 843-3067 Liberty, SC 29657 USA www.sealevel.com...
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Page 2: Table Of Contents
Contents ................ 1 NTRODUCTION ..................1 VERVIEW ’ ................1 NCLUDED ................. 2 NSTALLATION ..........2 PERATING YSTEM NSTALLATION ..............2 YSTEM NSTALLATION ..............4 ONFIGURATION .............4 ACTORY CONFIGURATION ..........4 LECTRICAL NTERFACE ELECTION .............5 ELECT ONFIGURATION ..........6 NTERFACE IASING ONFIGURATION ................6 ECHNICAL ............7 ECHNICAL ESCRIPTION ..................7... - Page 3 Figure 1- Dip Switches SW1 - SW4 RS-422 Default Mode ....5 Figure 2- Electrical Interface Mode Selection .........5 Figure 3 - Electrical Interface Termination and Biasing Selection ..6 Figure 4 - Asynchronous Communications Bit Diagram .....13 © Sealevel Systems Inc. SL9103 Revision 7/2006 Sealevel Systems, Incorporated. All rights reserved.
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Page 4: Introduction
Introduction Overview The Sealevel Systems SeaLINK+8 family of products equips the PC with 8 USB to Asynchronous serial ports. Three different model numbers are available that offer a variety of port options. Model 2801 equips the PC with 8 additional RS-232 ports that support a full RS-232 interface and data rates up to 460.8K... -
Page 5: Installation
If you view the system’s Device Manager, you should have new “COM” ports in the Ports (COM & LPT) Device Class. This is shown on the following page. Sealevel Systems SeaLINK+8 Page 2... - Page 6 You can access your new COM: ports by using the assigned COM: identifiers as shown above. In this case, it is COM’s 12 thru 19. However, this assignment will vary from system to system. At this point, the hardware is recognized and ready to use. Sealevel Systems SeaLINK+8 Page 3...
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Page 7: Configuration
Configuration Configuration Factory configuration Each device ships from Sealevel Systems with the following configuration. Model 2801 – SeaLINK+8/232 USB to RS-232 Converter Contains no user configurable components. Model 2802 – SeaLINK+8/485 USB to RS-422/485 Converter RS-422 4-wire full duplex mode selected. -
Page 8: Mode
Note that this chart appears in the silk screen on the board as well. MODE SELECT SWITCH OFF OFF 485 WE 485 NE Figure 2- Electrical Interface Mode Selection Sealevel Systems SeaLINK+8 Page 5... -
Page 9: Interface Biasingc
Contrary to some of our other products, there are no provisions on board for looping TX+ to RX+ and TX- to RX- for 2-wire RS-485 mode. These connections must be made externally inside the mating DB-9 connector. Refer to the RS-422 pinout diagram for the appropriate pin numbers. Sealevel Systems SeaLINK+8 Page 6... -
Page 10: Technical Description
Signal Name Pin # Mode Ground Transmit Data Output Request To Send Output Data Terminal Ready Output Receive Data Input Clear To Send Input Data Set Ready Input Data Carrier Detect Input Ring Indicator Input Sealevel Systems SeaLINK+8 Page 7... -
Page 11: Specifications
Non-Condensing Non-Condensing Manufacturing • All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100% electrically tested. These printed circuit boards are solder mask over bare copper or solder mask over tin nickel. Power Consumption This device is a high power USB device. It must be plugged into the USB root hub or a self-powered hub capable of supplying 500 mA per port. -
Page 12: Appendixa - Troubleshooting
Appendix A – Troubleshooting Appendix A - Troubleshooting Serial Utility test software is supplied with the Sealevel Systems adapter and will be used in the troubleshooting procedures. Using this software and following these simple steps, most common problems can be eliminated without the need to call Technical Support. -
Page 13: Appendixb - How T Og
If possible, please have the adapter installed in a computer ready to run diagnostics. 3. Sealevel Systems maintains a web site on the Internet. The address is www.sealevel.com. The latest software updates, and newest manuals are available via our FTP site that can be accessed from our home page. -
Page 14: Appendixc - Electrical
4000 feet long. RS-422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once. RS-422 signal levels range from 0 to +5 volts. RS-422 does not define a physical connector. Sealevel Systems SeaLINK+8 Page 11... -
Page 15: Rs-485
(Tx+ to Rx+ and Tx- to Rx-). Four wire mode allows full duplex data transfers. RS-485 does not define a connector pin-out or a set of modem control signals. RS-485 does not define a physical connector. Sealevel Systems SeaLINK+8 Page 12... -
Page 16: Appendixd - Asynchronous
The data rate and communication parameters for asynchronous communications have to be the same at both the transmitting and receiving ends. The communication parameters are baud rate, parity, number of data bits per character, and stop bits (i.e. 9600,N,8,1). Sealevel Systems SeaLINK+8 Page 13... -
Page 17: Appendixe - Compliance Notices
Always use cabling provided with this product if possible. If no cable is provided or if an alternate cable is required, use high quality shielded cabling to maintain compliance with FCC/EMC directives. Sealevel Systems SeaLINK+8 Page 14... -
Page 18: Warranty
Sealevel Systems assumes no liability for any damages, lost profits, lost savings or any other incidental or consequential damage resulting from the use, misuse of, or inability to use this product. Sealevel Systems will not be liable for any claim made by any other related party.
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