For the past several years, I have been using computers that have no RS-232 serial ports. In spite of that, I have several pieces of equipment that I use regularly that still communicate with the computer over RS-232. I put off purchasing a USB to RS-232 converter because of all the horror stories about the effectiveness of this type of converter.
After I purchased a new piece of radio equipment that did not offer a USB port for computer-radio communication, I finally broke down and ordered this converter. I chose the 4 port converter since I have so many different pieces of equipment that would be using it at any given time.
This is what I like about this converter:
- It has 4 ports. This is a very important feature for me due to the number of pieces of my equipment that are still RS-232 only. A single port converter was useless for my needs.
- After installation, the different applications and equipment worked flawlessly with the converter.
- Communication speeds can be faster than standard RS-232.
- Worked on the first try, right out of the box.
- It is supposed to work on Mac OS X and Windows (I have only tried Windows so far, but Mac will be set up shortly).
This is what I don't like about the converter:
- Pricey! But, it has great Mac support that others don't offer.
- When installing the four serial ports in Windows, the software goes through a process of warning you that new hardware is found four times. Since this software is not WHQL tested, you also get a warning that this software has not been Windows tested four times. It takes forever to click through all the information pop-ups. If Keyspan would like free, unsolicited advice, either WHQL test the installation software and hardware, or give the installer a "Yes to All" option so that the installation doesn't require so much user attention to complete.
As stated earlier, I run about 50% Mac and 50% Windows, so I will be installing this on a Macintosh computer soon. I'll make an effort to update this review for the Mac users out there.
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This Item  Tripp Lite Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG) |  |  |  |  | |
| Price | $90.46 | $66.99 | $65.99 | $79.99 | $229.99 |
| Delivery | Get it as soon as Saturday, May 4 | Get it as soon as Saturday, May 4 | Get it as soon as Tuesday, May 7 | Get it as soon as Saturday, May 4 | Get it as soon as Saturday, May 4 |
| Customer Ratings | |||||
| Sold By | Gustotrade | Vtop Online Shop | Vtop Online Shop | Usbgear | StarTechDirect |
| connector type | USB to RS232 | USB 2.0 Type C Male to USB B Male Cable (Included) | USB 2.0 Type A Male to USB B Male Cable (Included) | DB9 | USB 2.0 |
| number of ports | 4 | 4 | 4 | 4 | 4 |
| input voltage | — | 5 volts | — | 48 volts | 5 volts |
| warranty | Limited | Limited | Limited | — | — |
From the manufacturer
System Requirements:
- An available USB port
- Compatible with Windows 98, 98 SE, Me, 2000, XP, 2003 Server, Vista, 7, 2008 Server R2, 8, 2012 Server, 2012 Server R2, and 8.1. Compatible with 32- and 64-bit versions.
- Compatible with Mac OS 8.6 through 9.x and Mac OS X 10.2.8 through 10.10. Compatible with 32- and 64-bit versions
Connect 4 Serial Devices to a USB Computer
Keyspan by Tripp Lite’s USA-49WG USB 4-Port Serial Adapter is a simple, reliable, inexpensive solution for connecting serial devices to your USB computer. It’s the easy way to add serial ports to a computer without the hassle of installing a serial card, turning off the PC, or connecting an external power adapter. The USA-49WG draws power directly from your computer through the USB connection. Simply plug it into the USB port of your computer using the included cable, install the software and you’re ready to connect up to four serial devices. Five LEDs (one red, four green) display the USB and DB9 port status at a glance. Featuring data transfer rates up to 460 Kbps, the USA-49WG can be used with any RS-232 serial device—networking equipment, modems, GPS devices, cell phones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments, industrial process control devices, UPS systems and more.
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Utilize All Your Serial DevicesThe USA-49WG is ideal for industrial and enterprise markets where there is a need to connect serial device to a PC for process control, data collection or point-of-sale applications. It is also ideal for connecting modems, fax modems or terminals to a server. The USA-49WG allows you to connect 4 serial devices into a single USB port. |
Plug-and-Play ConvenienceThe USA-49WG is easy to use. Its DB9 serial ports are seen as COM ports by your computer, and are available for use by any program that accesses COM ports. It provides a simple way to add serial ports to a PC without the hassle of installing a serial card, turning off the PC or configuring IRQs. There's no need for an external power adapter! The USA-49WG draws power directly from your computer via the USB connection |
High-Speed Data Transfer and LED IndicatorsThe USA-49WG's DB9 serial ports support data transfer rates up to 460 Kbps—four times the speed of a standard built-in serial port. Five LEDs (one red, four green) display the status of the USA-49WG's USB and DB9 ports. You can tell at a glance if the adapter is connected to the computer, if the adapter hardware and software are working properly, and which serial ports are currently in use. |
Easy to Expand and UpgradesDo you require more than four serial ports for a single computer? No problem! With the USA-49WG, you can connect multiple adapters on one PC, limited only by the number of available computer USB ports. Need to update the USA-49WG's software? The process is quick and simple with free software downloads. Simply visit the USA-49WG product page on Tripp Lite's website, click on the Help & Downloads tab and select your desired software download. |
Why Choose Tripp Lite?
Founded in 1922 in Chicago, Illinois, Tripp Lite is one of the leading manufacturer of products to power, connect and protect your equipment. With a large selection of connectivity products, Tripp Lite has everything from USB hubs and reversible USB cables to fiber-optic cables and over Cat5e/Cat6 signal extenders. Whether you need to connect high-speed networks to switches, routers and servers in your data center, or send high-resolution video signals to displays and digital signs, Tripp Lite has the complete solution. Plus, before and after your purchase, our Chicago-based, in-house technical support specialists are available to assist you by phone, email and live chat. With over 90 years of quality products and service, Tripp Lite is a brand you can trust.
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