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User’s Guide
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www.omega.com
e-mail: info@omega.com
OMG-USB-232-1
Single Port RS-232 to USB Adaptor
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® OMEGAnet Online Service Internet e-mail www.omega.com info@omega.com Servicing North America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: ® USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA ® Customer Service: 1-800-622-2378
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Contents INTRODUCTION..........................................................................1 OVERVIEW................................................................................................1 WHAT’S INCLUDED................................................................................1 INSTALLATION ..........................................................................2 OPERATING SYSTEM INSTALLATION.................................................2 SYSTEM INSTALLATION..
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Introduction Introduction Overview The OMG-USB-232-1 equips the PC with 1 USB to RS-232 Asynchronous serial port providing a versatile interface for common RS-232 needs (i.e. modem, mouse and plotter). The advantage of this product over more traditional approaches is that it doesn’t require opening the computer case, nor does it require resources such as I/O ports or IRQ’s. It does require a system that supports USB both in terms of hardware and operating system. What’s Included The
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Installation Installation Operating System Installation Choose Install Software at the beginning of the CD and select the Serial I/O software drivers and install SeaCOM. System Installation The screen captures below are taken from a Windows ME installation. Your particular operating system may differ slightly from what is shown based on your version of Windows. The OMG-USB-232-1 can be connected to any Upstream Type “A” port either at the PC host or an Upstream Hub. The OMG-U
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Installation Since you have already installed the software by running “Setup”, simp ly click “Next” to proceed. The drivers that were installed during setup will automatically be used to configure the adapter. OMG-USB-232-1 Page 3
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Installation Windows has now located a driver and installed the software. Click “Finish” to proceed. You should see one more “New Hardware Found”, indicating the actual port being created. If you view your systems’ Device Manager at this point, you should have a new “COM” port in the Ports (COM & LPT) Device Class. It should look similar to the screen shot on the following page. OMG-USB-232-1 Page 4
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Installation You can access your new COM: port by using the assigned COM: identifier shown above. In this case, it is COM4: but this assignment will vary from system to system. At this point, the hardware is recognized. To verify operation use the supplied WinSSD diagnostic utility. WinSSD can be found in the Start, Programs group. OMG-USB-232-1 Page 5
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Technical Description Technical Description The OMG-USB-232-1 utilizes a USB UART. This chip features programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte Dual Port RX Buffer. The RS-232 transceiver supports data rates up to 460.8K baud. Refer to Appendix C for cable length limitations. Features • Hot-Pluggable device that doesn’t require opening the case • No system resources are required (i.e. I/O ports or IRQ’s) • LED status indicators for “USB Enabled”,
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Specifications Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º to 50º C -20º to 70º C (32º to 122º F) (-4º to 158º F) Humidity Range 10 to 90% R.H. 10 to 90% R.H. Non-Condensing Non-Condensing Manufacturing • All 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 Supply line +
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Appendix A – Troubleshooting Appendix A - Troubleshooting Serial Utility test software is supplied with the 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. 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. This can be done by us
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Appendix B – How To Get Assistance Appendix B - How To Get Assistance Please refer to Appendix A - Troubleshooting prior to calling Technical Support. 1. Read this manual thoroughly before attempting to install the adapter in your system. 2. When calling for technical assistance, please have your user manual and current adapter settings. If possible, please have the adapter connected in a computer ready to run diagnostics. 3. Omega Engineering maintains a home page on the Inter
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Appendix C - Electrical Interface 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. This standard is defined as the 9-Position Non-Synchronous Interface bet
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Appendix D - Asynchronous Communications 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
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Appendix E - Compliance Notices Appendix E - 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. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
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WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department w
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