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Tripp Lite Keyspan High Speed USB to Serial Adapter 3ft USB Cable TAA

Mfg.Part: USA-19HS CDW Part: 611482 | UNSPSC: 44103125
$71.40
Advertised Price
Quick tech specs
  • Connect devices with a 9-pin serial port such as switches/ routers/ barcode scanners and network storage devices to the USB Type-A port on your computer or laptop
  • Detachable 3-foot USB cable included
  • Works with Windows (up to 10) and Mac OS X (up to and including 10.14)
  • 3-Year Tripp Lite Warranty
  • Supports data transfer speeds up to 230 Kbps
  • No external power source required
  • USB to RS232 Converter/ USB to Serial Cable/ USB to Serial Converter/ USB Adapter
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Know your gear

The USA-19HS Keyspan High-Speed USB-to-Serial Adapter allows you to connect a serial device to a computer or laptop with a USB Type-A port. Widely recommended by serial device manufacturers, the USA-19HS attaches to switches, routers, barcode scanners, GPS units, point-of-sale devices, lab equipment, network storage devices and other devices with a 9-pin serial port. The included 3-foot detachable cable supports data transfer speeds up to 230 Kbps - twice as fast as a built-in serial port. The USA-19HS works with any USB cable up to 16 feet. An LED indicates data activity. This adapter requires no external power and, at just 2 ounces, packs away easily in your laptop bag for use on the go. Windows line monitor and data trace software included. Easy to upgrade with free software downloads. Works with Windows (up to 10) and Mac OS (up to 10.11). Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases.
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Tripp Lite Keyspan High Speed USB to Serial Adapter - serial adapter is rated 4.70 out of 5 by 131.
Rated 5 out of 5 by from Worked great between Win10 laptop and UPS Required USB->Serial adapter for upgrade laptop to communicate with UPSes, switches, and other devices. This adapter worked like a charm enabling me to upgrade the firmware on my UPSes.
Date published: 2020-12-09T00:00:00-05:00
Rated 5 out of 5 by from I would buy this product again if needed. Helped me reach my goal of server console connection.
Date published: 2020-10-19T00:00:00-04:00
Rated 5 out of 5 by from Good quality product, great value. I use this product for Laptop to PLC connectivity. It's a must have in my field due to serial ports being phased out on modern computers.
Date published: 2020-02-08T00:00:00-05:00
Rated 5 out of 5 by from excellent product Needed the connection from pin to usb without a headache and this product performed perfectly.
Date published: 2020-02-10T00:00:00-05:00
Rated 5 out of 5 by from I like that it just works with little effort. most pc's and laptops no longer have serial adapters but many pieces of equipment still need a serial connection to configure them. the Keyspan USB Serial Adapter is just what I need to get this done.
Date published: 2020-01-22T00:00:00-05:00
Rated 5 out of 5 by from This flawless device worked on first attempt I use this product in an analytical laboratory to connect to my high end mini rotary viscometer. I am very happy with the flawless connection to my PC.
Date published: 2020-01-13T00:00:00-05:00
Rated 5 out of 5 by from Reliable and consistant Service This serial to USB adapter cable was bought as an interface between my laptop and controller on my model train layout. It was a model recommended by the manufacturer for this use. It works flawlessly and consistently. It is a little more costly comparing it some other manufacturer's models but in my opinion was worth the extra cost.
Date published: 2020-02-27T00:00:00-05:00
Rated 5 out of 5 by from This Product Is Flawless IT and Security applications
Date published: 2020-02-07T00:00:00-05:00
Rated 5 out of 5 by from Quick and Easy Start Up1 Adapter works exactly as needed. Setup was easy and quick. The green LED is a great feature as well. Highly recommend this product.
Date published: 2020-03-09T00:00:00-04:00
Rated 5 out of 5 by from Most compatible converter I've found High quality chip is much more compatible than Chinese manufactured emulators
Date published: 2020-01-18T00:00:00-05:00
Rated 5 out of 5 by from The product is awesome I use this product for diagnosis of radio communication equipment. I have used others, but they were not as fast (data), nor did they have any type of indicator LED
Date published: 2020-02-28T00:00:00-05:00
Rated 5 out of 5 by from Recommended by my company I use this for equipment that doesn't have a parallel port.
Date published: 2020-01-18T00:00:00-05:00
Rated 5 out of 5 by from Great value, sturdy Easy to initialize, sturdy product that came highly recommended.
Date published: 2020-01-26T00:00:00-05:00
Rated 5 out of 5 by from Nice work with Windows 10 Not so many serial converters works with Win10 this guy plug and play. Done. Highly recommended
Date published: 2020-06-10T00:00:00-04:00
Rated 5 out of 5 by from I would buy this again and would encourage other to do so Used USB serial adapter to connect AED to computer to find problems with AED
Date published: 2020-06-19T00:00:00-04:00
Rated 5 out of 5 by from Best usb to serial adapter CSG software uses serial ports for Point of Sale. The USA 19HS is by far the best adapter for this purpose. Others using the Prolific chipset don't work or are very slow.
Date published: 2020-01-06T00:00:00-05:00
Rated 5 out of 5 by from Best adapter for TECH2 I used this to plug my Tech2 to my laptop. Works like a charm.
Date published: 2019-12-21T00:00:00-05:00
Rated 5 out of 5 by from null With laptops these days not coming with a physical serial port (understandable as they get thinner and thinner) a USB to serial adapter is needed. This adapter works pretty well. The only thing that is sometimes annoying is having to look up which com port it was issued in device manager before being able to use it with PuTTY.
Date published: 2013-05-17T00:00:00-04:00
Rated 5 out of 5 by from null The plug and play driver for this causes BSOD's on just about every computer i tried to use it with. Not sure if TrippLite ever got around to releasing a functional driver for this, but this is not ideal for recovery/service hardware if you have to chase down a driver.
Date published: 2013-11-19T00:00:00-05:00
Rated 5 out of 5 by from null If you configure network gear and you are using a somewhat slimmed-down laptop/ultrabook, then you absolutely need one of these. If you have a USB port, you can plug this in and use something like Putty or TeraTerm to connect to your network devices for serial configuration. An absolute must-have for any network admin worth his salt.
Date published: 2014-09-11T00:00:00-04:00
Rated 5 out of 5 by from null A solid product for devices w/o an on board serial port. While not quite as convenient as having one built in, serial ports are becoming much less common on laptops.
Date published: 2014-07-29T00:00:00-04:00
Rated 5 out of 5 by from Easy to use, great software interface I use this adaptor for interfacing with several devices, such as a range of servo drives, which don't interface with other adaptors easily. This is very easy to set up, the software allows me to change the ports quickly and easily, and it works with everything I need it to.
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from No Doubt My Lifeline As A Mom/Pop Alarm Business In Tucson Az. The Keyspan Is The Lifeline Of My Business, Allowing Me To Communicate To Any Security Panel In My Database To Update Users,Delete,Bypass Faulty Zones Every Conceivable Action To Maintain The Integrity Of Security For My Customers From My Office Without Ever Having To Go To Their Location With No Out Of Pocket Cost To My Customers
Date published: 2015-12-03T00:00:00-05:00
Rated 5 out of 5 by from Great product, met all my expectations Not much to say, except worked perfectly and exactly as advertised.
Date published: 2017-01-01T00:00:00-05:00
Rated 5 out of 5 by from Excellent USB serial port adapters! I've been using Keyspan USA-19HS adapters for years. The first one was purchased after reading recommendations from several control system experts, and I haven't been disappointed. The Keyspan is inexpensive and has proven to be 100% compatible with everything I've needed to connect to via a serial cable. I've used it with laptops and desktops running Windows 98SE, Windows XP and Windows 7. I've used it on SLC 5/xx series processors, ControlLogix 5000 processors, Siemens/TI 505 series processors, Keyence laser measurement equipment, modems, serial printers, barcode scanners, Reliance and Rockwell/Allen-Bradley drives, and just about everything else. Never a problem. It works with straight serial cables, null modem cables, and every type of serial adapter I've thrown at it. The Keyspan USA-19HS is the cheapest piece of control system communication hardware that I own, and it's probably the most used. It has never let me down. Since I first started using the Keyspan adapter, I've bought over a dozen more for service techs, co-workers and even a couple of bosses. The Keyspan is extremely configurable, fast, reliable, durable and easy to use. The Keyspan adapter takes just a few minutes to set up. I keep one in my laptop bag at all times. Unfortunately, after Tripp-Lite took over the Keyspan line, they used a lower quality USB socket for a period of time. From the outside, the sockets looked almost the same. The only notable difference was a lack of molded numbers (1, 2, 3 and 4) on the end of the plastic tab in the middle of the port. Unfortunately, the newer Keyspan's USB socket didn't retain the cable connector nearly as well as the older ones did. The weaker spring conductors allowed the cable to be pulled most of the way out of the socket, resulting in a lost connection and possibly a BSOD (blue screen of death). The lower quality USB socket caused many problems for me. Whereas the older Keyspans would easily support the weight of the adapter + a 10 ft. coiled-up serial cable, the newer Keyspans would not. The newer ones didn't support the weight and allowed the USB cable to pull partially out of the port. I tested 3 of the Keyspan adapters and they all had the same issue: poor USB cable retention. Since the adapters still worked fine except for the USB port, I simply desoldered the USB port from each of the new adapters and replaced them with an FCI port (FCI PN 61729-1011BLF). No more problems. Most users probably wouldn't have been able replace the port, so a quick (if not awkward and/or ugly) fix was to either glue the USB cable into the port or use tape or a heavy rubber band to retain the cable. Tripp Lite did offer to exchange the problematic adapters with new ones. Sometime late in 2012, a coworker bought a half dozen new Keyspan USA-19HS adapters, so I wasted no time in testing them out to see if the USB port problem was fixed. I tested all 6 of the adapters and was happy to see that none suffered from loose USB ports. The ports don't have any numbers (1, 2, 3 and 4) molded on the end of the plastic tab in the middle of the port, so I'm guessing they're not anything special, but they seem to hold onto the USB cable quite well.
Date published: 2014-02-02T00:00:00-05:00
Rated 5 out of 5 by from Best USB / Serial Adapter Out There Contrary to other posted comments, this device does work with El Capitan. I have two that are on two different computers (an iMac and a MacBook Pro) that receive daily use. About to purchase a third for a relative to use on a Mac Mini. I've deployed these on several Windows systems too. Absolutely 100% reliable and works without a hitch on both Mac OS X and Windows.
Date published: 2016-05-24T00:00:00-04:00
Rated 5 out of 5 by from Has more stable communication than most adapters We have a bunch of programmable logic controllers. Until recently when computers still had a on-board COM port we had no problem communicating. We received a new batch of computers lacking a COM port, so we looked for USB-to-RS232 adapters. Most models, based on the PL2303 chipset, we unstable in our environment. On the other hand, the USA-19HS provided stable communications to our controllers. Also, with the included utilities, it's easy to debug communications. The only downside of this adapter, is the USB cable that comes off too easily.
Date published: 2011-11-07T00:00:00-05:00
Rated 5 out of 5 by from my search is over yea !! after searching everywhere for an adapter for my HIPRO box it was recommended to try this one it has worked flawlessly for me and I travel with it frequently it has never given me any problems saved my business lots of $$$$$$
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from Unit no longer functions The driver which I tried to updat from your site will not download properly on my laptop. It downloads however it does not load when i open the application. I selected the Windows 7 Beta driver for my USA-19HS interface unit. My laptop does not recognize the unit when i plug it in. The power on indicator lamp (LED) does not come on.
Date published: 2012-03-31T00:00:00-04:00
Rated 5 out of 5 by from Only one that is Dependable. I have used this product for over 8 years. They are the only ones that will always work no matter what platform you are on. Other usb-serial adapter are hit or miss as to functionality on different computers and system. This is the only one that I have found that the hardware and software are from the same people. This is the only ones that I would and do recommend.
Date published: 2014-10-02T00:00:00-04:00
Rated 5 out of 5 by from Great, except for Windows 10 I've used this adapter for years very successfully with WinXP and Win7. Works perfectly; five stars. But I cannot get it to work reliably with Windows 10; zero stars. Everything seems OK at first with Win10, but the adapter triggers a blue screen of death from time to time due to a problem in the driver. I can't live with that.
Date published: 2016-06-19T00:00:00-04:00
Rated 5 out of 5 by from Gets the job done! I use this on a day to day basis as a Network Engineer. It's pretty straight forward and definitely gets the job done. I have used others that not as reliable so this is my go-to adapter. I would, however, like to see something a little bit more solid/sturdy. While it's not as fragile as other adapters, I imagine it wouldn't take much to crush or cause the casing to separate. Otherwise, no complaints!
Date published: 2017-10-25T00:00:00-04:00
Rated 5 out of 5 by from It doesn't harvest bee honey But it sure works awesome for connecting to all types of serial devices I have!
Date published: 2013-01-15T00:00:00-05:00
Rated 5 out of 5 by from Look out, OS X (El Captain) not supported... I've used this product for years, it's been great until now. I've called support and they do not have an eta if at all to continue support for OS X.
Date published: 2015-10-08T00:00:00-04:00
Rated 5 out of 5 by from This product works! I used this product mainly configuring the initial setup for networking equipment on my laptop. I installed the driver on both Windows XP, and 7 without any issues. I highly recommend this product to anyone.
Date published: 2013-11-13T00:00:00-05:00
Rated 5 out of 5 by from Think about redesigning the case. Works great. The only thing I have problems with is with the rounded end of the actual case doesn't allow it to make good contact and kept vibrating out. I took a file and filed the end of the plastic case flat and have not had a problem since then.
Date published: 2015-03-19T00:00:00-04:00
Rated 5 out of 5 by from Look no further I have used many USB-serial adapters over the years, and this Keyspan product is by far the best. It is the most reliable adapter I have used. I also like the software that comes with it, which allows you to actually see the data that is being transferred through the serial port.
Date published: 2013-03-08T00:00:00-05:00
Rated 5 out of 5 by from Excellent Product Connecting to Fire Panels, etc. HIGHLY RECOMMENDED FOR CONNECTING TO FIRE PANELS!!! Our company deals in fire alarm panels and this is by far the best product we have ever used for downloading programs to panels and/or pulling out reports. This product was also recommended to us for use by Honeywell for the products we connect to. So far we have not had any issues with any of the ones we ordered. If you need to have a USB A to USB B to connect to specific panel types, the USB cable unplugs from the DB9 connector to allow it.
Date published: 2013-09-05T00:00:00-04:00
Rated 5 out of 5 by from Almost useless if your wanting near realtime RS232 serial communication response This product, or driver, appears to buffer a lot of data before is passes it on to legacy type serial com programs making it almost useless when wanting to see the serial data in near real time
Date published: 2013-10-04T00:00:00-04:00
Rated 5 out of 5 by from Need OS X Lion support This is a great product but we really need that new driver for support under OS X Lion. I have a number of people who are holding off on purchasing the 19HS until then. The device is very reliable and performs well. Nice multi-platform support overall.
Date published: 2011-08-20T00:00:00-04:00
Rated 5 out of 5 by from AV Industry must have A lot of legacy and even current AV equipment still uses serial cable communication. I have a MacBook Pro running Yosemite, with Windows 8.1 running in Parallels. MOST of the AV configuration software is Windows only. This device allows my Virtual Windows PC to talk to an external serial device with this adaptor as if it were all native on it's own machine. Fantastic!
Date published: 2014-10-02T00:00:00-04:00
Rated 5 out of 5 by from Communicates Successfully Every Time I have hundreds of clients who have equipment with which I occasionally I have to communicate. I use an Apple laptop with the latest OS. Because the client's devices use only PC Windows, I use Parallels to convert to the Windows platform. Then I use the Keyspan serial adapter and a special modem to get the signal onto the phone lines. The Keyspan works every time.
Date published: 2015-02-12T00:00:00-05:00
Rated 5 out of 5 by from Works like a real serial port Many industrial automation systems still use serial communications. Since a serial port is no longer included in most laptops, an add on port is essential. The Keyspan unit is the only one I have found that fully supports serial communication and has worked with all interfaces I have tried, even picky ones like Allen Bradley.
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from Rock solid compatablity. I use the 19HS and the 49WG (4 port) with my ham radio gear. I have never had any type of issue where the software did not recognize the adapter as a native serial port. I went through about a half dozen other brands giving me some sort of problem before I found this adapter. The software is also in a class of it's own. I will not buy nor recommend anything else.
Date published: 2013-04-27T00:00:00-04:00
Rated 5 out of 5 by from Has its drawbacks, but I highly recommend it I've purchased the USA-19HS for all of the field techs on my team because it works reliably, even with 64-bit Windows 7. And, I consistently recommend it to other teams who need the functionality. But, it does have some things to be aware of... CONS: - *When* the USB cable comes out accidently, the driver is likely to BSOD (blue screen of death) Windows if the serial port is in use at the time. Tape it on or whatever you have to do to prevent this from happening. It may not be attractive, but a bunch of tape will provide the tension you'll wish it had. - This product has been around longer than 64-bit Windows. Download the latest driver from the website, just in case. I think it's actually admirable that Keyspan/Tripp-Lite has continued to release new drivers for product line, but the product just works and I actually trust this one better than a newer(?) model where they tried to fix the USB cable issue by hard-wiring it to the device. PROS: - Tripp-Lite has continued to update the drivers. - Never had compatibility issues. - I've used with 32-bit Windows XP, 32-bit Windows 7, and 64-bit Windows 7 on the USB side. - Used with PuTTY to connect to Solaris, Linux, Terminal Servers, PDUs, and more on the serial side. - Extremely reliable (unless the USB cable gets pulled out. For my lab, I purchased the 4-port USA-49WG brother to this device which also works well, but the multiple ports add some complexity due to flexibility in configuration. Unless you really need multiple serial ports connected at the same time, I'd stick with the USA-19HS single-port device.
Date published: 2013-09-23T00:00:00-04:00
Rated 5 out of 5 by from Works with OSX El Capitan 10.11.1 Works great on OSX 10.11.1 using Secure CRT.
Date published: 2015-12-10T00:00:00-05:00
Rated 5 out of 5 by from It worked where others failed! I bought this USB to Serial adapter because I had some equipment that wasn't working with the adapter that I owned previously. This adapter was very easy to set up and everything worked flawlessly and automatically. I have now tried it with all my serial devices and it works with them all. Thank you for a great product
Date published: 2017-02-08T00:00:00-05:00
Rated 5 out of 5 by from Works reliably I've used other USB -> Serial adapters, but I never have to wonder whether my Keyspan will work. This is the second one I've owned, since a customer of ours wanted the first one. I had no problem recommending the Keyspan for his application. I keep one in my computer bag.
Date published: 2011-12-08T00:00:00-05:00
Rated 5 out of 5 by from Great buy. Fast, easy and that's what I want.
Date published: 2016-11-22T00:00:00-05:00
Rated 5 out of 5 by from Plug and Play!!! Finally a product that actually works the first time without any problems. IÃ?ve used this adapter on several UPS manufactures without any problems. I am using Windows 8 and have the latest version of Hyper Terminal. I highly recommend the 19HS!!!
Date published: 2013-05-06T00:00:00-04:00
Rated 5 out of 5 by from Has solved my problem Used with a MacBook to connect to the serial port on (for the most part) Solaris systems. Works well and solves my problem of a portable means to access these serial ports.
Date published: 2012-06-13T00:00:00-04:00
Rated 5 out of 5 by from It works I bought this product so I could download info from the internet to my car diagnostic device. I looked at a lot of them but only Tripp Lite 19HS fit the bill. When I received it I plugged right to my computer and it did the job.
Date published: 2014-10-14T00:00:00-04:00
Rated 5 out of 5 by from Excellent little device which does the work well I use it to connect Mac to a medical device using Medibus. Never failed, delivering data as expected.
Date published: 2017-04-04T00:00:00-04:00
Rated 5 out of 5 by from This product did what know other USB to Serial Adapter could do Hi I used this product to connect my weather station to my iMac computer and it has done what 3 others could not do I would recommend this product to all my friends It does the job! thanks Tripp*Lite USA-19HS
Date published: 2013-09-06T00:00:00-04:00
Rated 5 out of 5 by from It just works I have an older Tripp Lite online UPS that only has a serial port for the interface. This adapter allowed me to communicate with the UPS over USB. I did have an install problem, but Tripp Lite tech support walked me through the driver config and all is well. PS: And Tech Support was a real person on the phone... amazing in this day, and to be commended.
Date published: 2011-09-28T00:00:00-04:00
Rated 5 out of 5 by from Extremely valuable I bought this adapter to use a serial port on my laptop, for use with my weather station with my laptop. It functioned perfectly and allowed me to provide weather information. If your computer has a USB port but lacks an RS232 port then this is for you!
Date published: 2013-09-05T00:00:00-04:00
Rated 5 out of 5 by from Works great with Cisco Switches I use it to communicate to Cisco switches and it works great!
Date published: 2011-12-08T00:00:00-05:00
Rated 5 out of 5 by from Best UART adapter Over years of automated embedded device testing these have been the most reliable USB < -> UART adapters for me. I primarily use them from Linux and Mac with pyserial or Device::SerialPort, and sometimes from Windows with FlashMagic. Seems to work fine with Minicom and Screen too.
Date published: 2015-04-25T00:00:00-04:00
Rated 5 out of 5 by from Works with my old RS-232 Instrument I have an old Bonding Resistance tester that blows out modern serial ports. I think it must use the old 25V RS-232 signal levels. I got a whole box of random serial adaptors hoping at least one would work with the instrument. After blowing out 8 of them, the USA-19HS worked. Hopefully they keep making these. Some of my customers have legacy equipment that they need to keep going.
Date published: 2014-03-18T00:00:00-04:00
Rated 5 out of 5 by from Definitely would buy again Our company use this device for testing and calibrating Breathing Ventilators. I've had my first two for 2 1/2 years with no issues. Works PERFECT.
Date published: 2017-08-23T00:00:00-04:00
Rated 5 out of 5 by from It Just Works. VERY Reliable. I've been using one of these for over 10 years on Win-XP, and it works every time, all the time. If you need to add RS-232 to a machine with only USB, you gotta get one of these.
Date published: 2015-07-06T00:00:00-04:00
Rated 5 out of 5 by from Finally a USB/232 converter that works all the time! My line of work involves a lot of communication to a wide variety of panels and controllers through RS-232. I have had issues with devices in the past and my USA-HS19 has been amazing compared to the other devices I have tried. There are others with the cable containing the communication chip, they are everywhere, but this one is the real deal. I have yet to meet a panel/controller this guy won't talk to. Highly recommended by myself and most manufacturers, try it, you won't be disappointed. Worked with XP through W7 64 bit. Thanks for a great product!
Date published: 2013-10-21T00:00:00-04:00
Rated 5 out of 5 by from Good and Bad I have been using this with a vinyl cutting plotter and when it works, it is flawless. BUT the problem lies in the fact that it does not always work, many jobs are interrupted midway thru which is extremely irritating and gets expensive when cutting for a large job. No I would not recommend it.
Date published: 2014-05-28T00:00:00-04:00
Rated 5 out of 5 by from Flawless operation in model railroad application Just hooked up NCE Corp. DCC Power Pro Command Station to Lenovo Laptop, running Windows & JMRI software. Despite my broken CD player, downloaded and installed needed driver with ease. Worked immediately with no hassles. Programming decoders and maintaining locomotive roster made 1000 times easier. Thanks.
Date published: 2012-03-01T00:00:00-05:00
Rated 5 out of 5 by from Great serial to USB adapters I have tried other adapters,but the 19HS is the one for me.My application, a Ham radio connection to a computer connection,works great with no problems.
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from Windows 7 query I looked through the list of drivers for the USA-19HS and cant see one specifically for Windows 7. Which driver do you recommend for Windows 7 ?
Date published: 2014-04-09T00:00:00-04:00
Rated 5 out of 5 by from Super Compatible I bought many USB to Serial. I know this is a bit expensive. But by far the best USB to Serial. A must buy for latest laptops which don't have serial port.
Date published: 2012-08-14T00:00:00-04:00
Rated 5 out of 5 by from Works without fail I've been using this model for years in the oilfield measurement industry and it's never failed me. Recently it's been very handy when connecting to Bristol Controllers, as it will allow the program to poll for the local address, where the other adapter I have will not. Just keep an eye on the cord plugged into the back, it has a habit of coming out if your not paying attention.
Date published: 2016-07-11T00:00:00-04:00
Rated 5 out of 5 by from USA 19HS I recently damaged my laptop serial port. Rather than replace the laptop I bought a USA 19HS. This is a USB to serial connection. I connects with every PLC I program, first time, every time. I have equipped all my laptops USA 19HS adapters. I love the reliability.
Date published: 2012-10-29T00:00:00-04:00
Rated 5 out of 5 by from This USB to DB9 Adapter Works Great w/ Fire Panels If you are working with a Gamewell-FCI panel, I recommend purchasing this product as it works great when downloading your HyperTerminal reports and/or downloading programs to the panel. This is also recommended by Gamewell-FCI tech support and I can see why.
Date published: 2012-11-16T00:00:00-05:00
Rated 5 out of 5 by from works on Mac OS-X 10.6, XP etc. On my MacBookPro with VMware Fusion, the device is working on both OS-X (native) and XP (VMware). On the Mac, you have to figure out with the serial assistant how to name the port. Next I worked smooth with SecureCRT. Then I upgraded to OS-X 10.7, waiting for the driver now...
Date published: 2011-08-03T00:00:00-04:00
Rated 5 out of 5 by from Don't drop it! I have had problems using other adapters connecting to AMX controllers. I purchased the USA-19HS and was satisfied with it. It connected to AMX controllers without a problem. However, I dropped it on the floor (about 3 feet) and that was it. It never worked again.
Date published: 2013-02-22T00:00:00-05:00
Rated 5 out of 5 by from The industry standard! I've been using this USB to serial adaptor for close to 5 years, and I've used others as well, and they're supposed to be compatible.... Don't hold your breath! This is the one that will work with almost any OS and/or software! I am a 35 year alarm technician and also work with other tech as well. Save your time this is the one for you! In my field, we still are way behind the time as most of the modems still used for downloading and programming systems are at least 35 years old as well (Hayes Smartmodem) Which run around 300-1200 baud.
Date published: 2014-10-16T00:00:00-04:00
Rated 5 out of 5 by from The most reliable and versatile adapter I have found I have worked at a university and a biotech R&D company where we had equipment with serial interfaces. The 19HS has worked with the widest variety of units and with the fewest errors of any adapter I have used. Two thumbs up.
Date published: 2015-08-16T00:00:00-04:00
Rated 5 out of 5 by from Works Great. Only one we could find that works with a variety of CNC equipment. We use it to upload/download from a laptop.
Date published: 2014-10-30T00:00:00-04:00
Rated 5 out of 5 by from Had Good Luck on Windows. Still trying on Android/Linux On Windows XP with downloaded drivers I have great luck accessing several serial devices from my laptop. Still trying to get things working on Android/Linux. I see code for this device in the kernel source code for my Android phone (Samsung). When I connect I can see that the USB bus "sees' the device. But there seems to be no tty device file created that allows me to access it. Rats!
Date published: 2013-01-14T00:00:00-05:00
Rated 5 out of 5 by from Very Solid I've purchased this product for more than a decade. The Keyspan USA-19HS has worked well for the Macintosh user base I support. I have little confidence in the Mac drivers from other brands. I like the Type B connector and separate cord design. This design is solid and a smaller connector wouldn't hold up in the field. On that note- The original USB cord that Keyspan supplied was a thicker shielded type with clear outer jacket. A thinner black USB cord with less strain relief has been supplied with the currently shipping version from Tripplite. I still recommend this to other professionals without hesitation.
Date published: 2013-03-05T00:00:00-05:00
Rated 5 out of 5 by from FANTASTIC I've used this for years to allow older serial based equipment to work with newer hardware and it's been perfect. Currently using it with a Mutoh SC-650 as it was easier than finding a laptop with a DB9 port. I'd have no hessitation is buying another as and when the situation requires it. Recently went to set-up a mac book to cut graphics and was surprised to find current mac support on such an old adapter as well. Nice that it's not been abandoned.
Date published: 2014-06-16T00:00:00-04:00
Rated 5 out of 5 by from Works extremely well! I have used this product for over 5 years on both Windows XP and 7 without issue. I have used it to interface several RS232 devices. Make sure to have the driver installed, plug in the device and verify it is loaded in device manager before opening any other software that will use the com port it creates. Do this and you will not have any issues. Other devices I used would disconnect intermittently and fail to work requiring manual disconnecting and re-connecting, sometimes to a different USB port to get it to work. Not with this product, it has worked for hours at a time without issue.
Date published: 2015-08-31T00:00:00-04:00
Rated 5 out of 5 by from Worked great, but for one minor thing Great product, help me upgrade the firmware on my telescope. Just one issue, no drivers available for the Mac OSX 10.9 - drivers exists for 10.8 and below. So, can I expect the drivers to be updated for 10.9? I had to run the software from a friends PC to use the hardware.
Date published: 2014-01-21T00:00:00-05:00
Rated 5 out of 5 by from best I've found! I've used the USA-19HS for ~5 years with several industrial automation companies, really works perfectly with win7-win10 32/64bit. Highly recommended.
Date published: 2017-06-09T00:00:00-04:00
Rated 5 out of 5 by from The product works great with connecting to UNIX consoles Love the product because very east to connect to UNIX console.
Date published: 2012-06-13T00:00:00-04:00
Rated 5 out of 5 by from Product was defective upon receipt Product did not work was defective upon receipt. Did not work when setup called our IT and upon their review they stated the issue was this device which we purchased to replace an old one.
Date published: 2017-08-09T00:00:00-04:00
Rated 5 out of 5 by from One of the most reliable USB to Serial adapters we've seen... I buy these for our techs 5-10 at a time. We've tried a few other USB to Serial adapters, all of which we had issues with. Not the smallest, but these have been rock solid, work every time. The software makes it easy for the user to see what Com port the device is using. The connector is a USB A connector held in by friction, and won't take too much cable weight, but if not put under strain stays in fine - if you swing it around a server room a lot you could add heat shrink, cable ties, or a rubber band to make sure it stays in tight. We've had fewer issues supporting our techs with these than any other adapter. We have over 100 mobile techs around the country and world using them to program routers, or load firmware in various types of devices...
Date published: 2012-10-24T00:00:00-04:00
Rated 5 out of 5 by from Great USB to serial converter. Just plug and go!! Others I have purchased and caused my PC to blue screen while using. The Keyspan never has. Works great
Date published: 2019-03-05T00:00:00-05:00
Rated 5 out of 5 by from Excellent Technology Great product. Fits in your pocket.
Date published: 2019-06-26T00:00:00-04:00
Rated 5 out of 5 by from The Best USB Serial Adapter on the Market! Works flawlessly in an industrial automation setting. I just outfitted the entire crew with new ones.
Date published: 2019-06-28T00:00:00-04:00
Rated 5 out of 5 by from Serial adaptor work on cisco equippment
Date published: 2018-12-11T00:00:00-05:00
Rated 5 out of 5 by from I would recommend this product As a student learning Networking this tool has proved to be great!
Date published: 2019-05-28T00:00:00-04:00
Rated 5 out of 5 by from Nice product overall! Company laptops no longer have serial ports. This is a must have in my daily tasks.
Date published: 2019-06-26T00:00:00-04:00
Rated 5 out of 5 by from works good Plug it in and it works
Date published: 2018-10-08T00:00:00-04:00
Rated 5 out of 5 by from Great product, easy to use, Used it to transfer some data from an IV pump to a computer.. Load and extract data
Date published: 2019-06-14T00:00:00-04:00
Rated 5 out of 5 by from Gets the job done! No doubt the best and fastest serial adapter I have used before. The size and quality of how it is made seems conducive for much usage and a long life!
Date published: 2019-02-17T00:00:00-05:00
Rated 5 out of 5 by from I dont know yet I havent had a chance to use it yet the driver on the CD that shipped with the device had a windows 7 driver despite the advertisement stating that it was supported by windows 10 I went to the web site and after 10 minutes of searching I found the windows 10 driver I loaded it per instructions and my laptop didn't blue screen
Date published: 2019-07-20T00:00:00-04:00
Rated 5 out of 5 by from Works as advertised. University classroom environment.
Date published: 2018-10-09T00:00:00-04:00
Rated 5 out of 5 by from Best programming USB tp Serial adapter on the market! If you take care of this guy, it will be your companion for a long time. It will live it your programming bag and you will know that the thing will work every time for you.
Date published: 2019-02-11T00:00:00-05:00
Rated 5 out of 5 by from WoW Top product!
Date published: 2021-01-18T00:00:00-05:00
Rated 5 out of 5 by from Works with Meade's ETX90-EC It worked well with downloading the firmware update for my Meade ETX90-EC telescope from star patch and use with Meade's Autostart Suite and ASCOM software.
Date published: 2020-10-01T00:00:00-04:00
Rated 5 out of 5 by from Great Product! Use this on the daily while configurations PDUs or ATSs.
Date published: 2022-10-04T00:00:00-04:00
Rated 5 out of 5 by from Really the only one, that works... We need it to connect our OPEL and SAAB TECH2 diagnostic tools with our laptops for SW downloads and this adapter is really the only one, that really works.
Date published: 2021-04-26T00:00:00-04:00
Rated 5 out of 5 by from Great product This product gives me the flexibility to attach older equipment when required.
Date published: 2022-02-20T00:00:00-05:00
Rated 5 out of 5 by from Great Product I havent had any problems with this at all and it really helps me when im in a pinch
Date published: 2022-02-22T00:00:00-05:00
Rated 5 out of 5 by from USB Adapter that works Finally, found a USB to serial adapter that works consistently with Allen Bradley devices.
Date published: 2022-03-11T00:00:00-05:00
Rated 5 out of 5 by from YES I would Vehicle module programming
Date published: 2021-03-11T00:00:00-05:00
Rated 5 out of 5 by from Easy as pie! I am by no means an IT expert. I was told by one that I needed this USB Serial adapter so I purchased it to connect a specialized printer in a laboratory. It was as easy as attaching the serial port on one end and plugging the usb into my computer, and I was up and running! Nothing else to do. Easiest fix ever!
Date published: 2021-02-18T00:00:00-05:00
Rated 5 out of 5 by from Just what I needed! Used this adapter to download embroidery designs to my older Bernina 185 sewing machine. It worked liked a charm. Very pleased.
Date published: 2021-06-05T00:00:00-04:00
Rated 5 out of 5 by from I would buy this product again and again I use the Keyspan USB Serial Adaptater to connect a Philips Pronto RU940 on my PC under Windows 10. The Pronto comes from the year 2002. It is possible for me to use the Philips Pronto Edit application in order to personnalez the parameters of the Pronto remote command. No problem to install the driver of the Keyspan and to discover the Pronto connected via the serial interface. Thank's to Tripp-Lite for this good product.
Date published: 2021-03-07T00:00:00-05:00
Rated 5 out of 5 by from This product works well I am using this product to connect a message board to our windows 10 machine. It works well, and has not caused us any issues.
Date published: 2021-10-12T00:00:00-04:00
Rated 5 out of 5 by from I would buy this product again Just received and installed. Came with some great reviews.
Date published: 2021-08-05T00:00:00-04:00
Rated 5 out of 5 by from Adapter as a tool Very good tool for engineers who has. laptop with USB port only
Date published: 2022-01-31T00:00:00-05:00
Rated 5 out of 5 by from I'll be using these Replacing a lot of others with these.
Date published: 2021-10-12T00:00:00-04:00
Rated 5 out of 5 by from Works great Saved the day
Date published: 2021-08-12T00:00:00-04:00
Rated 5 out of 5 by from Good enough for Lionel, good enough for me! I needed this adapter to download an update to the software on my Lionel 990 Cab 2 Control. This is the unit that Lionel recommended and if it is good enough for my favorite model railroad company, it is good enough for me! It was easy to get the necessary drivers on the TrippLite website. Now I am "back on track"! Thanks!
Date published: 2022-02-03T00:00:00-05:00
Rated 5 out of 5 by from I would recommend this product. I used it for my OBD2 Scan tool and worked the 1st time.
Date published: 2021-09-13T00:00:00-04:00
Rated 5 out of 5 by from Very effective I am using this product on a worm computer at work.
Date published: 2021-10-07T00:00:00-04:00
Rated 5 out of 5 by from Have used these for over a decade… … and they're the most reliable!
Date published: 2022-08-22T00:00:00-04:00
Rated 5 out of 5 by from Great product. Quick response Has very quick response time and is very easy to use
Date published: 2022-09-07T00:00:00-04:00
Rated 5 out of 5 by from Great adapter for console work Works great for connecting laptop to Cisco switch management ports.
Date published: 2022-08-02T00:00:00-04:00
Rated 5 out of 5 by from I would buy this product again! I'm a control's Technician, this connection works great on all of my devices!
Date published: 2022-04-23T00:00:00-04:00
Rated 5 out of 5 by from Works great Connecting my circa 1990 device 25 pin RS232 to USB.
Date published: 2022-06-27T00:00:00-04:00
Rated 5 out of 5 by from Works as advertised I use this adapter to connect an interface
Date published: 2022-06-27T00:00:00-04:00
Rated 5 out of 5 by from I would recommend this to everyone Easy Peary setup and very smooth
Date published: 2022-06-20T00:00:00-04:00
Rated 5 out of 5 by from Work without issue To communicate with the Alaris infusion PC & pump; software installation is quick & easy
Date published: 2022-06-20T00:00:00-04:00
Rated 5 out of 5 by from I would buy this product again It worked great with my Leica cassette and slide printers for my Pathology laboratory.
Date published: 2022-05-27T00:00:00-04:00
Rated 5 out of 5 by from Worked reliably I was having problems using cheaper adapters and this one worked great for programming my Johnson radio. Easy driver to install and worked on my Windows 10 PC.
Date published: 2022-10-18T00:00:00-04:00
Rated 5 out of 5 by from I would buy another one Awesome product
Date published: 2022-11-16T00:00:00-05:00
Rated 5 out of 5 by from Driver update is required The product needs further updating to work with Mac OS Monterey 12.6. Before that it worked find with my Meade Telescope LX-200 ACF. The new USBC has the same problem.
Date published: 2022-10-13T00:00:00-04:00
Rated 5 out of 5 by from it worked great easy to use worked great
Date published: 2022-09-26T00:00:00-04:00
Rated 5 out of 5 by from This worked when other brands wouldn't I tried two other brands and couldn't connect to the device. This one worked instantly.
Date published: 2022-09-26T00:00:00-04:00
Rated 5 out of 5 by from Reliable We use this product for my customers to set up medical equipment. It is always reliable and easy to use. I recommend!!
Date published: 2022-11-29T00:00:00-05:00
Rated 5 out of 5 by from I love this product. server configuration
Date published: 2022-12-19T00:00:00-05:00

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