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TRENDnet > 
Item#: N82E16817403058

TRENDnet TK-409K 4-Port USB KVM Switch Kit with Audio (Version v1.3R)

  • 4 Ports Computer Connections
  • 1 Port Monitor Connections
  • AutoScan Interval 10 ~ 60 seconds
  • Video Resolution 2048 x 1536
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  • newegg Unified Control Share one monitor, keyboard and mouse between four computers using the TRENDnet TK-409K. The built-in VGA connector supports monitors with resolutions of up to 2048 x 1536.
  • newegg Easy Switch between PCs Easily switch from a computer to another by using the keyboard hotkeys, hardware push button or switching software (for windows).
  • newegg AutoScan With the Autoscan function, the TRENDnet TK-409K KVM switch automatically switches among four computers for operation-free computer monitoring.

Learn more about the TRENDnet TK-409K

Model

Brand
TRENDnet
Model
TK-409K

Spec

Type
D-Sub, USB
PC Connectors
4 x VGA / SVGA HDB 15-pin
4 x 3.5 mm speaker jack
4 x 3.5 mm microphone jack
Console Connectors
1 x USB Keyboard (type A)
1 x USB Mouse (type A)
1 x VGA / SVGA HDB 15-pin
1 x 3.5 mm speaker jack
1 x 3.5 mm microphone jack
Computer Connections
4 Ports
Monitor Connections
1 Port
Video Resolution
2048 x 1536
PC Selection
Push Button, Hot-Key Commands or Windows-Based Client Switching Software
AutoScan Interval
10 ~ 60 seconds
Temperature
0ºC to 40ºC(32ºF to 104ºF)
Humidity
0% to 90%,Non-Condensing
Dimensions
6.6" x 3.2" x 1.1"
Weight
6.5 oz.

Features

Audio Features
with Audio
Power Features
USB interface power
Features
Control up to 4 computers / servers with one set of console device

USB keyboard / mouse emulation with 4 sets of detachable KVM cables

Compliant with Windows, Linux, and Mac OS

High video quality, up to 2048 x 1536 VGA resolution

Listen to music from one computer while working on the other

Auto-Scan & LED display for computer monitoring

Computer selection by face panel push buttons, keyboard hot key commands or Windows-based client switching software

User definable hot key (Windows only)

Plug & Play and hot-pluggable

USB interface power method

Packaging

Package Contents
TK-409K
Quick Installation Guide
4 sets of USB KVM cables (2 x 1.2 m / 4 ft., 2 x 1.8 m / 6 ft.)
4 sets of audio cables (2 x 1.2 m / 4 ft., 2 x 1.8 m / 6 ft.)

Manufacturer Warranty

Parts
2 years limited
Labor
2 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the TRENDnet TK-409K

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  • Anonymous
  • 11/27/2014 8:45:03 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

2 out of 5 eggsPartial functionality

Pros: Works OK with a Windows 7 box.

Cons: Despite the claim that TK409K should work with Win98SE, it doesn't seem to. When I switch to the 98 box, it's all frozen; I have to hit the reset button before I can do anything. Maybe there's a driver I need to install?

Manufacturer Response:

Hello Davyd,

The TK-409K is a pass-through appliance. There is no driver for the KVM itself. You can uninstall and reinstall your HID drivers for your mouse and keyboard and allow the operating system to reinstall them. Try disconnecting and reconnecting the mouse and keyboard directly to the computer to see if that also causes the lock up. This is essentially what the KVM is doing when switching.

Try swapping the channel on the KVM to ensure the issue isn’t the KVM channel or the cables. If the Windows 7 box works on both channels without issues the problem is most likely not hardware related. If you need assistance please email Adrian@trendnet.com and we will have someone assist you as soon as possible. Please include a link to this review.


Regards,

Adrian
TRENDnet Support
http://www.trendnet.com/support

Did you find this review helpful? Yes No

  • Peter B.
  • 11/3/2014 9:40:36 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

1 out of 5 eggsDOA

Pros: None (it doesn't work)

Cons: Bought this a while ago. Broke open the box because now I need to use it and nothing. Doesn't work. I mean no signs of life. No lights; nothing.

Manufacturer Response:

Hello,

We are sorry to hear that you are having an issue with the TK-409K. Please make sure that everything is connected and seated securely to the KVM. Do not place any third party hardware between the KVM and the computer to rule out any issues. Including any type of interface converters, docking stations or extension cables. If the issue persists please email Adrian@trendnet.com and we will have someone assist you with submitting an RMA request for warranty services. Please include a link to this review.


Regards,

Adrian
TRENDnet Support
http://www.trendnet.com/support

Did you find this review helpful? Yes No

  • Rich H.
  • 9/14/2014 3:20:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

1 out of 5 eggsHorrible KVM!

Pros: Pros? You can select specific inputs rather than a single button to cycle through inputs until you get to the desired input.

Cons: Plenty! It would only sporadically work on a PC running Server 2003 and generally not have issues with two different Win7 PC's until today. Today when switching back to one of the Win7 PC's the red indicator light just kept flashing instead of staying solid after a couple seconds. This is what it would frequently do when switching to the Server 2003 machine and then the mouse and keyboard would not function. I ended up powering all three pc's off (using the power button since mouse and keyboard would not work now on ANY of the PC's). I switched to input 2 on the KVM and powered on that PC. The red indicator light just kept flashing. When the PC fully booted the light was still flashing and then I received an error saying the USB device connected to the PC had failed. I connected the mouse and keyboard directly to the pc, bypassing the KVM switch, but leaving the monitor plugged in to the KVM and they still won't work. I finally ended up eliminating the KVM completely, going with a direct connect for the mouse, keyboard, and monitor and after powering down the PC using the power switch that PC is back up and running. Save yourself plenty of headaches and go with the iogear unit. I'm using one of those purchased from Newegg and have not had any problems with it. You can't select a specific port with it though. You have to cycle through them until you get to the input you want...but it works!

Manufacturer Response:

Hello Cayman Diver,

We are sorry to hear that you are having issues with the TK-409K. This KVM uses a pass-through architecture, not a hardware emulator. When it switches it is physically disconnecting the hardware connected to the console ports from the active computer to the new computer. When this occurs your computers need to redetect and reload the console hardware. Switching too fast or something interrupting this process can cause the OS to load the hardware as an unknown device.

Typically you can power cycle the KVM to recover it. You will have to disconnect all the KVM cables from the KVM simultaneously for it to lose power as it is bus powered. After you reconnect the cables the computer should reload the hardware.

If you are using any third party hardware between the KVM and the console hardware or the computers you may want to remove them to see if they are causing the issues as well. For example, interface converters, docking stations or extension cables.

Regards,

Adrian
TRENDnet Support
http://www.trendnet.com/support

Did you find this review helpful? Yes No

  • Andrew L.
  • 1/25/2014 6:15:34 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsCan't swtich from Mac to PC

Pros: Sale price was good.

Cons: I'm trying to use this to switch between a Windows 8.1 PC and a Mac mini, but while this KVM can switch from the PC to the Mac, when I try to switch back, the PC can't see the KVM or anything attached to it. I found that someone submitted a review for this device at a large online bookstore with the same problem.

I submitted a support ticket to Trendnet. After five days, I finally received a canned response which said to make sure I use their cables, use the latest drivers, etc., and ignored the actual problem.

Manufacturer Response:

Hi Anonymous,

I can understand your frustration for this unit not working as promised and for that I deeply apologize. Please email me directly at adrian@trendnet.com with "Newegg TK-409K Review" in the subject line and I will be able to respond immediately to help you get setup and running smoothly. Thank you for taking the time to review our product. We hope to hear from you soon to regain your trust in TRENDnet.

Warm Regards,
Adrian
TRENDnet Sales Support Team

1 out of 1 people found this review helpful. Did you? Yes No

  • Lawrence U.
  • 12/26/2013 1:15:35 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsHas a problem with HP Laptops

Pros: Cheap.

Cons: With the VGA cable plugged in from my laptop's VGA out to the switch and the port number on the switch selected to my laptop's input, I get no display... i.e. no external display detected. However, when I select an input other than my laptop's on the switch, my laptop detects external display and switches off! So I can not have my laptop connected at all!

Manufacturer Response:

Hi Valued Customer,

We apologize for your overall frustration for this KVM switch kit not working as promised. If not mistaken, you have a laptop along with other PCs connecting to this KVM and sharing a same set of keyboard, VGA and mouse. I am curious if you have used the proprietary VGA cable from TRENDnet, and also if a different port works for your laptop or not. Please email me at adrian@trendnet.com with "Newegg TK-409K Review" in the subject line and I will be able to assist you immediately.

Warm Regards,

Adrian

2 out of 3 people found this review helpful. Did you? Yes No

  • Mr. H.
  • 4/25/2013 7:32:59 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsUpdate

Pros: Almost works. Switches sound.

Cons: I have been in contact with Trendnet and they have NOT found a solution.

Their last email to me said that this device does not support EDID emulation, despite saying that it did earlier.

Then they said that I should switch whatever system I am starting to use the Monitor and the resolution issue will not happen. I use Wake On LAN remotely and cannot always switch resolutions - so this is NOT a solution.

Their engineering staff is just deciding not to fix the issue.

Manufacturer Response:

Dear customer,

Please accept our deepest apologies for any inconvenience this has caused you. Please contact us at sales@trendnet.com with "Newegg TK-409 Product Review" in the subject line and someone will assist you immediately to resolve your issue. We look forward to hearing from you directly and restoring your faith in TRENDnet products.

Thanks,

TRENDnet Sales Team

0 out of 2 people found this review helpful. Did you? Yes No

  • Mr. H.
  • 4/13/2013 3:20:50 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsNot really OK...

Pros: Works, switches speakers and mic also. Cables are included.

Cons: Does not appear to support EDID - so when a Windows 7 machine that is not currently displaying on the monitor boots up it always defaults to 1024 x 768.

The wires coming out all sides limits the places where this can be placed and the cables are a bit on the short side.

Manufacturer Response:

Dear Candide,

Please accept our deepest apologies for this inconvenience. Our engineers are looking into it now and will contact you soon for a possible resolution. Please e-mail us at sales@trendnet.com , reference “New Egg Product Review” and someone will contact you immediately to get you up and running.

Warmest regards,

TRENDnet Sales Team

0 out of 1 people found this review helpful. Did you? Yes No

  • Brian D.
  • 12/11/2012 12:15:17 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGood. Does what it needs to do.

Pros: Allows me to share monitor, keyboard, mouse, and audio.

Cons: Buttons are not always responsive. I have to play with it a little to get to the right machine.

Manufacturer Response:

Valued customer,

We are sorry for any inconvenience this may have caused you. Please e-mail us at sales@trendnet.com, reference "New Egg product review", and someone will contact you in an expedited manner. We look forward to working with you directly and restoring your faith in TRENDnet products.

Warmest Regards,

TRENDnet Sales Team

1 out of 2 people found this review helpful. Did you? Yes No

  • Mark H.
  • 11/14/2011 4:48:59 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGood, inexpensive switcher

Pros: For years, I had two computers on my desk, but only one monitor/keyboard/mouse. It wasn't because work wouldn't provide one, it was just that having multiple keyboard/monitors was giving me a headache. With a third computer arriving at my desk, I needed to replace my current KVM, and unfortunately, good quality DVI-based KVMs are out of most people's price ranges.

This switch exceeded my expectations. The software, despite being several years old, works fine under Windows 7-64 bit as well as Windows XP, and allows you to have an icon at the bottom identifying the PC number, switch to another PC from the task bar, lock the audio to a particular PC, and activate auto-scan between PCs. Having selector buttons and audio on the KVM itself makes this product a winner.

Cons: Cable sticking out the side, and two different lengths of the cable from the KVM to the computer. Software supplied by TrendNet only works with Windows systems, and the software does not allow you to change the name from "PC 1" to more friendly "Win 7"/"XP"/"Linux". No DVI-to-VGA adapters supplied.

Other Thoughts: Allow 1-3 minutes for each computer to recognize the KVM when first installed. After connecting the computers, be sure to run the auto-adjust on your monitor to remove the "out-of-focus" text on the screen. Hotkey sequence to switch between computers is hitting ScrollLock twice within 2 seconds. Once software is installed, you can use CTRL-ALT-Number to switch between PCs.

About Virtualized environments: In addition to my regular Windows environment, I run Virtualbox with several virtual machines. If you have the virtual window selected, then the hotkeys will not work. If the "focus" is on the non-virtual environment, then the hotkeys work fine.

Suggestions to manufacturer: Test and update software for Windows 7 (both 32-bit and 64-bit) as well as upcoming Windows 8. Provide APIs so that a good Linux programmer can write the code for Ubuntu/OpenSUSE/etc .

1 out of 2 people found this review helpful. Did you? Yes No

  • Matthew H.
  • 10/24/2011 11:54:33 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGreat for the Money

Pros: I really like this KVM switch. For the most part it works great. Sometimes it freaks out and won't let anything connect to it and you need to unplug all 4 main plugs to get it to power cycle and work again, but that is not very often. I never remember KVM keyboard shortcuts so I really like the buttons on this one. And the cool blue color looks nice on my desk.

Cons: I wish the wires were all on one side so it didn't have to spiderweb all over the place.

Other Thoughts: For the money it has good stability and good features. I'm sure there are better products for a lot more money but this was in my budget and does a good job.

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16817403058
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