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  • Keyspan by Tripp Lite USA-19HS High-Speed USB Serial Adapter, PC, MAC, supports Cisco Break Sequence
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Keyspan by Tripp Lite USA-19HS High-Speed USB Serial Adapter, PC, MAC, supports Cisco Break Sequence

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List Price: $45.99
Price: $22.50 & FREE Shipping on orders over $35. Details
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  • Serial adapter allows a serial device to be connected to a USB computer
  • Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports
  • No need for an external power adapter:draws power directly from your computer via the USB connection
  • DB9 serial port supports data transfer rates up to 230 Kbps:twice the speed of a standard built-in serial port
  • LED shows adapter status and data activity at a glance
120 new 1 used from $14.89 2 refurbished from $39.00

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Frequently Bought Together

Keyspan by Tripp Lite USA-19HS High-Speed USB Serial Adapter, PC, MAC, supports Cisco Break Sequence + Cisco Console Cable RJ45-to-DB9 + Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Rev D Chipset)
Price for all three: $39.29

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  • Buy Used and Save: Buy a Used "Keyspan by Tripp Lite USA-19HS High-Speed USB Seri..." and save 67% off the $45.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

  • Mac Compatible

Product Details

  • Product Dimensions: 9 x 5.8 x 2.8 inches ; 5.6 ounces
  • Shipping Weight: 5.6 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B0000VYJRY
  • Item model number: USA-19HS
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (466 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: October 30, 2003

Product Description

From the Manufacturer

Do you need a cost-effective and reliable solution for connecting a serial device to your USB computer? Keypsan by Tripp Lite's USA-19HS USB High-Speed Serial Adapter is the easy way to add a serial port to a computer without the hassle of installing a serial card, turning off the PC or connecting an external power adapter. The USA-19HS 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 a serial device. An LED shows adapter status and data activity at a glance. Featuring data transfer rates up to 230 Kbps, the USA-19HS can be used with any RS-232 serial device—modems, GPS devices, cell phones, hand-held scanners, point-of-sale systems, touch screens, medical and scientific instruments and more. The USA-19HS is broadly recommended by serial device manufacturers due to its dependability and "Best in Class" compatibility.

USA-19HS High-Speed USB to Serial Adapter Offers:
  • Serial adapter allows a serial device to be connected to a USB computer
  • Plug-and-play convenience—DB9 serial port is seen as a COM port by your computer
  • No need for an external power adapter—draws power directly from your computer
  • DB9 serial port supports data transfer rates up to 230 Kbps—twice the speed of a standard built-in serial port
  • LED shows adapter status and data activity at a glance
USA-19HS Application
Utilize Your Legacy Devices with New USB Technology
Click here for a larger image
Plug-and-Play Convenience
Plug-and-Play Convenience
Click here for a larger image

Applications

The USA-19HS is ideal for home, business and educational venues where there is a need to connect a serial device to a desktop or notebook computer, such as data collection or point-of-sale applications. It is also ideal for connecting modems, fax modems or terminals to a server.

Key Features

Plug-and-Play Convenience

The USA-19HS is easy to use. Its DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports. It provides a simple way to add a serial port to a PC without the hassle of installing a serial card, turning off the PC or configuring IRQs.

Bus Powered

There's no need for an external power adapter! The USA-19HS draws power directly from your computer via the USB connection.

High-Speed Data Transfer

The USA-19HS supports data transfer rates up to 230 Kbps—twice the speed of a standard built-in serial port.

LED Indicator

A green LED shows adapter status and data activity at a glance.

Detachable USB Cable

The USA-19HS comes with a 3-foot USB device cable to connect the serial adapter to the computer. The adapter will also work with any user-supplied USB cable up to 5 meters long.

Free Software Upgrades

Need to update the USA-19HS software? The process is quick and simple with free software downloads. Simply visit the USA-19HS product page on Tripp Lite's website, click on the Help & Downloads tab and select your desired software download.

Easy to Expand

Do you require multiple serial connections to a single computer? No problem! With the USA-19HS, you can connect multiple adapters to one computer, limited only by the number of available computer USB ports.

Technical Specifications

Keyspan by Tripp Lite's USA-19HS High-Speed USB to Serial Adapter
Model: USA-19HS
Connector A: DB9 (MALE)
LEDs: 1 x Green (serial adapter status/activity)
Data Transfer Rate: Up to 230 Kbps
Weight: 2 oz.
System Requirements: (Windows®):
Available USB port
Windows 98/Me/2000/XP/Vista 32-bit
(Mac®):
Available USB port
Mac OS 8.6 or greater
Mac OS X (10.2.8 or greater)
What's in the Box
What's in the Box
  • USA-19HS High-Speed USB to Serial Adapter
  • 3-ft. USB Device Cable
  • CD with Driver Software and User Guide

USB Serial Adapters Compared

USA-19HS Others
Serial Interface RS-232 DB9 RS-232 DB9
Data Rate 230 Kbps 230 Kbps
Microsoft WHQL Certified Yes No
Serial Device Compatibility Broad Limited
Field Upgradable Yes No
Line Monitor/Data Trace Yes No
Configurable Data Handling Yes No
Detachable Cable Yes No

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Product Description

Looking for a way to connect your serial devices to a USB port on your PC? The Keyspan "High Speed" USB Serial Adapter is a simple, inexpensive, and reliable way to make this connection. The Adapter is ideal for use with modems, digital cameras, ISDN terminal adapters, graphics tablets, PDAs, bar code scanners, label printers and other serial devices which require an RS-232 connection.This "High Speed" USB Serial Adapter supports data rates up to 230 Kbps twice the speed of a standard PC serial port. It is 100% USB compliant and features simple "Plug and Play" installation (no IRQs). Ideal for laptops (it weighs just 2 oz.), the Adapter draws its power from the USB connection so no power adapter is required

Customer Questions & Answers

Customer Reviews

Could not be happier and it saved me from having to buy a whole new diagnostic tool.
P. Schwartz
Very functional and easy to use; the configuration software even includes tests to make sure the device is recognized and is properly communicating with your computer.
C. Wolf
Windows 7 automatically will detect and install the drivers as well, no fishing for drivers.
CumminsRocks

Most Helpful Customer Reviews

49 of 50 people found the following review helpful By C. Wolf on January 19, 2006
Verified Purchase
Installed the configuration software, plugged it in, and it worked immediately. I am using it with WinXP Service Pack 2, and it communicates great with a complex serial interface to an unusual piece of electronics I have, so its very compatible with "real" serial ports, unlike some other adapters I have tried that seem to only work with modems or PDA docks. The adapter as shipped is actually a small 1"x1.5"x3" box connected to your computer with a 3' USB cable that can be unplugged from it. It has a green LED on top to tell you when it is properly configured as well as when a program has opened that serial port and when it is passing data. Very functional and easy to use; the configuration software even includes tests to make sure the device is recognized and is properly communicating with your computer. The configuration software also ensures that the same COM port is assigned to the device, no matter which USB port on your computer you plug it into each time, unlike previous adapters I've had which created a different COM port each time you plugged the device into a different USB port (very annoying); the driver also has an option to behave like those other drivers, but most people will probably want to always have it act like the same COM port, the default.
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45 of 47 people found the following review helpful By A Customer on January 8, 2004
I usually don't write-up reviews, but I am writing this to let those Mac OSX users (inc Panther which is what I am running) know that this adapter does work. I bought this for my Garmin etrex Legend GPS. I use it with my iBook and my Power Mac G4. It was a flawless installation. (1) I installed the Mac OS X drivers (2) told virtual PC to emulate COM 1 using the OS X driver, and (3) Download GPS map data to my GPS. It's that easy! Keyspan has good instructions to set up your serial devices.
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43 of 45 people found the following review helpful By Amazon Customer on May 27, 2004
Despite the first reviewers comments, the Keyspan 19HS works just fine with linux. The driver for the 19HS was included in the kernel source a while ago. Standard off-the-shelf kernels (2.4.24 and 2.6.5) work without any patches. In addition to regular usb support, my kernels also load the keyspan and usb-serial modules.
After executing "mknod /dev/ttyUSB0 c 188 0", I am happily communicating with Palms and GPSs using the new /dev/ttyUSB0 device.
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66 of 74 people found the following review helpful By Dave on January 24, 2008
My USA-19HS worked ok for a couple of months, then stopped working. It started identifying itself as a a TUSB3410 Boot Device, which Keyspan's website says meant it was defective. I then went into customer service hell. After I posted my info to a tech support forum on their website, they vanished. I poked again a week and a half later, and they came back and told me to mail the device in. I did so. Then they vanished off the face of the earth. No replacement sent to me, no posts to my electronic tech support thread (despite multiple posts by me), and they don't answer their phones (there's a recording saying to visit the website). Eventually, weeks later, after I threatened to go to the BBB, someone posted and said they'd look for my device and get back to me that afternoon. Two days later, nothing again.

The device works fine, but heaven forbid you actually need to get it replaced. At this point, I have neither my dead device nor a refund -- I mailed it in, and it's gone in a black hole.
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19 of 19 people found the following review helpful By Tom on March 8, 2012
Verified Purchase
(Please see my update at the end of this review before considering the purchase of this adapter)

I've been using the Keyspan USA-19HS for years. The first one was purchased after reading recommendations from several control system experts, and I haven't been disappointed. Rockwell Automation sells their own version of a USB serial port adapter (PN 9300-USBS), but it's about $130. Don't bother. 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 comes with a driver CD and a USB cable and takes just a few minutes to set up. I keep one in my laptop bag at all times.

UPDATE 4/5/12: it appears that Tripp-Lite has made a few changes since they took over the Keyspan line. Among the changes was a decision to use a cheaper USB socket. From the outside, it looks almost the same.
Read more ›
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21 of 23 people found the following review helpful By A Customer on January 2, 2004
I bought this to hook up my Garmin eTrex GPS to my iBook running OS X. It did what it says. I transfer data back and forth without a problem. I use it with National Geographics TOPO map program also available at Amazon.
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