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Quick RJ-45 Network Cable Tester
In Stock This item should ship today (11/27/2015) if ordered within 4 hours 46 minutes

0.8 lbs

Flat Rate Shipping Prices

  • 0-3lbs- $4.99

Quick RJ-45 Network Cable Tester

When a LAN connection fails, you can swap out the cable to see if it is the problem or you can reach for the Monoprice LAN Quicker 009!

This cable tester is designed to troubleshoot RJ45 LAN cables, both UTP and STP. It not only tells you if the cable passes or fails the test, it indicates which pins fail and whether they are open, shorted, or crossed. This allows you to easily see if the cable is your problem and what you need to do to fix it, if it is.

The tester has two basic testing modes: Auto and Step.

In auto mode it makes a single pass over the cable and gives a result. It shows whether the cable passed or failed and, if it failed, the type of failure (open, short, or cross) and the affected pins/wires.

In step mode the tester steps through each wire independently with each press of the Test button. This allows you to get detailed results for a cable that may have multiple types of failures. For example, you can see that pin 1 is open, pins 2 and 3 are crossed, and that pin 4 is shorted.

WARNING!!! Do not test live circuits as it could cause damage to the tester unit or personal injury.

Note: This product has a universal card packaging that is used for PIDs 8129, 8130, and 8131, with the individual model marked on the back. The front of the packaging includes functionality tags for all three testers combined. Therefore, the packaging erroneously indicates that this tester is capable of testing HDMI, Coax, and RJ12 cables, which it is not designed to do. For HDMI cable testing, please use PID 8131. For Coax and RJ11/12 testing, use PID 8129.

Also note that the manual for this tester shows test results for RJ12, Coax, and USB cables. While it is electrically capable testing these types of cables, the necessary connectors or adapters are not included with the tester.

Support Files:

Package Contents:

  • 1x LAN Quicker 009 Master Unit
  • 1x Remote Terminator (attached to the Master unit)
  • 1x 9 volt alkaline battery
  • 1x Zippered nylon belt pouch

Note: Please remove the plastic wrap from the battery before use.

29 Reviews

94.83% of the reviewers recommend this product


Confirm wiring of RJ45 8p8c plugs on cables you make yourself

  • wizbang_fl,
  •  Oakland Park, FL 
  • 9/9/2015 6:00:32 PM

Pros: This is a very good unit allowing you to place one end at the end of a run of cable and the other to power and confirm the connection. Easily identify which wires are not connecting thru or are cross wired. Also good to identify cables already set in a wall to find the matching cable by plugging each into the powered side you can match to the plug on the other end if they are not marked (as is too often the case)

Cons: 9v battery will discharge over time without use. Necessary to remove battery. (wish battery cover did not require screwdriver, or there was a master power switch)

This is a very good unit allowing you to place one end at the end of a run of cable and the other to power and confirm the connection. It useful if you are making your own patch or jumper cables from bulk wire to confirm that the connection is properly made. Uses 9v battery. My only criticism is that the 9v battery will discharge if left in the unit and it is not used for a month or so. To prevent you need to remove the battery when you are done with the unit testing. If you use it daily, this isn't an issue.

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  • Anonymous,
  •  Placentia, CA 
  • 12/29/2014 8:10:02 PM

Pros: was a gift

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One Nice Piece Of Gear

  • Tekkiegeek,
  •  Huntsville, AL 
  • 10/15/2014 4:28:48 PM

Pros: Just got it. Well made. Solid. Lites are superbrite. Cant wait to use it. 1/3 of Name Brand testers.
This is why i buy so much from Monoprice.

All around Excellent piece of gear. Cant wait to use it

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Automatic function is quick!

  • Chemicalman588,
  •  Guyton, GA 
  • 10/2/2014 3:00:42 AM

Pros: Worked after installing battery! tried it on 2 bad cables and 4 good cables, it read all 6 cables correctly on auto function and slow function! Light weight, small insize and comes apart for remote testing. The Price is OK!

Cons: only test lan!

Would buy again. I liked its size and looks. This product is going to make me buy the model that checks out HDMI!

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Easy to use

  • Ram,
  •  Spring Valley, CA 
  • 9/22/2014 12:16:29 AM

Pros: Small, Lightweight, Easy to Use.

Cons: Case is a little flimsy, no instructions but if you're making your own cables, you should be able to figure it out.

This little tester saves time and money. connect it and with the one button operation quickly test your newly made cable. Green means go and red means Oh no. Make sure the cable is completely unplugged from any source or you'll fry the tester.

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