---
product_id: 3526729
title: "Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG)"
brand: "tripp lite"
price: "801 kr"
currency: DKK
in_stock: true
reviews_count: 6
url: https://www.desertcart.dk/products/3526729-keyspan-high-speed-4-port-rs232-serial-db9-to-usb
store_origin: DK
region: Denmark
---

# High-Speed Data Transfer Bus Powered 4x DB9 Ports Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG)

**Brand:** tripp lite
**Price:** 801 kr
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG) by tripp lite
- **How much does it cost?** 801 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/3526729-keyspan-high-speed-4-port-rs232-serial-db9-to-usb)

## Best For

- tripp lite enthusiasts

## Why This Product

- Trusted tripp lite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power-Saving Design:** Bus powered, eliminating the need for an external adapter.
- • **Seamless Connectivity:** Easily connect multiple devices with 4x DB9 ports.
- • **High-Speed Performance:** Experience rapid data transfer for all your serial devices.
- • **Plug & Play Convenience:** No complicated setup—just plug in and go!
- • **Versatile Compatibility:** Compatible with a wide range of operating systems and devices.

## Overview

The Tripp Lite Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub (USA-49WG) is a powerful connectivity solution that allows you to connect up to four serial devices to your computer effortlessly. With its plug-and-play functionality and bus-powered design, this adapter hub is perfect for professionals seeking reliable and efficient data transfer without the hassle of external power sources.

## Description

Tripp LiteKeyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG)

## Features

- Connector 1 4x DB9 Serial
- Plug & Play: Appear as standard COM ports
- Bus Powered: No external power adapter required

## Images

![Keyspan High-Speed 4-Port RS232 Serial DB9 to USB Adapter Hub(USA-49WG) - Image 1](https://m.media-amazon.com/images/I/61buJxQIPoL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great way to get RS-232 on newer computers
  

*by G***R on Reviewed in the United States on May 14, 2012*

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.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    This took a while to get working right. I ...
  

*by M***S on Reviewed in the United States on December 21, 2015*

This took a while to get working right. I needed to download updated drivers from the web to get it to configure properly. Works OK now.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great Upgrade over past units
  

*by K***K on Reviewed in the United States on November 28, 2011*

We rely on this unit in a County Office of Emergency Services communications trailer to operate HAM radio packet and radio control systems.  Many of our devices just haven't been "upgraded" to usb technology.  In some ways, we're glad they haven't, as this device allows us to operate 4 ports at the expense of only one USB port on the computer.The unit installed seamlessly on both Windows XP and Windows 7 computers (both 32 and 64 bit).  WE did download an upgraded driver from TrippLite, which was a big help.  The new driver is more intelligent than the versions we worked with on the unit we replaced.  Now we don't have to worry about plugging into the same USB port each time -- the driver assigns the same port numbers regardless, unlike the old system that would assign different port numbers depending upon which USB port you used (really frustrating).  This unit is a pleasure to use in comparison.A subtle, but visible LED indicates which port is in use, a nice addition -- and it's not so bright that it is conspicuous in low-light conditions, which is normal in our setting.So far, we've experienced no glitches interfacing with any device.  Granted, our systems don't require blazing speed, but reliability is paramount -- and this unit delivers.The only change I would like to see is the USB connection on the unit moved to the rear -- its placement on the side of the unit makes it a little less "clean" and cable routing is a tad bit more challenging when installing in a quasi-permanent arrangement.  Thankfully, this unit was a little smaller than previous units, so we were able to work it out.

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-21*