Monoprice RJ11 and RJ45 Modular Plug Tester
Monoprice RJ11 and RJ45 Modular Plug Tester
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Monoprice RJ11 and RJ45 Modular Plug Tester

Key item features

  • Sold as 1 Each.
  • Used to test broken wires and crossed connections. Master and Remote unit each have a series of 9 LEDs that show the status of each line on-the attached cable.
  • Consists of a main Master unit and a detachable Remote unit, each of which have an RJ11 and an RJ45 jack. Supports both a fast automatic and a slow automatic mode.
  • Simple, yet powerful, tool that helps troubleshoot network and telephone cables for broken wires and crossed connections. Includes 1 x cable tester master unit, 1 x cable tester remote unit (attached to Master), 1 x synthetic leather, zippered carrying case.
  • Unit is powered with a 9 V battery and can be stored in the included, zippered, synthetic leather case.
Current price is $14.98
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Arrives by Thu, Jul 9
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Sold and shipped by Monoprice Inc
4.373408239700375 stars out of 5, based on 2670 seller reviews(4.4)
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4.7 out of 5 stars
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32 ratings19 reviews
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Showing 1-3 of 19 reviews

Mar 2, 2021
Walmart customer
5 out of 5 stars review

Handy Tester

This works great to verify that all wires are connected and working. It will show opens, mi-wired pins, and shorted pins or wires. It cannot test that the twisted pairs are mated to the correct pin pairs but this is a minor issue since that is easy to check visually. You can use 2 short jumpers to test your premise wiring.

Review from Monoprice
Helpful?1VF065PX3JRP40501197
Dec 27, 2022
NewUserU
5 out of 5 stars review

Great for Checking my New Home

My new home came with a central media center where all Ethernet and coax cables were terminated. I had five of each. They were not labeled as to which cable was connected to which room. Using this device, I was easily able to determine that and to confirm that all eight conductors were wired correctly. One room was completely disconnected and the builder fixed it. I used an RJ45 to coax adapter (which unfortunately Monoprice does not sell) to test the coax connections.

Review from Monoprice
Helpful?1VF065PX3JRP40501197
Jul 25, 2020
Walmart customer
5 out of 5 stars review

Perfect for my needs

I make up my own RJ12 straight-through and RJ45 crossover and straight-through cables for model railroading. This tester is simple but effective in this role. Verifies all conductors as continuous (or not) and that they are of the correct pin assignment (straight or crossover). You have to know what a crossover pin out should be, but a quick cheat-sheet and eventually your memory will be enough. For simple installations I can recommend this tester.

Review from Monoprice
Helpful?1VF065PX3JRP40501197