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Ethernet Tester Network Cable Tester Tool for RJ45 LAN Ethernet Cable Cat6 Cat6a Cat5 Cat5e Cat7 UTP/STP and RJ11 RJ12 Telephone Cables

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$8.99

$ 3 .99 $3.99

In Stock

1.Model:Ethernet Tester


About this item

  • Compatibility: The network cable tester is built-in high performance chip, which provide faster test results when checking wires and data points,testing both of the RJ11/RJ12 telephone cable and Ethernet cables RJ45 Cat6 Cat6a Cat5 Cat5e Cat7 shielded and unshielded.
  • The Ethernet cable tester features a nice LED display which indicates. And the results that are easy for anyone to understand. It can be used by both professionals and unskilled home-users.
  • The network cable tester provides the verification detail of wires to ensure that your homemade networking Ethernet cable is flowing optimally by thoroughly testing the cables to discover any wiring. And it will inform you whether the cables are paired and connected correctly or not.
  • Cable Testing: Whether you are testing Ethernet or phone lines such as RJ45 Cat7 Cat6a Cat5, Cat6, Cat5 and Cat5e, this cable tester can handle it easily and provide faster test results. Test RJ45 UTP Unshielded RJ45 connector 1-8 Lights on; Test STP Shielded RJ45 connector 1-G lights on; Test RJ12 1-6 Lights on; Test RJ11 connector 3,4 lights on.
  • Notice:The RJ45 cable tester function by 9V battery. The battery is not included in the package. Also, please do not connect cable tester to live circuits as it may be damaged by over voltage.



Product Description

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How to use:

- You need to buy a 9v battery and install it on the tester.

- Put cables into both main tester and remote tester.

- Turn on the master unit by sliding over the switch to either

ON = Normal test mode

S = Slow automatic mode

- The tester now checks each of the 8 wires one after the other.

If wired correctly the sequence on both the master and remote unit will be light:

1-2-3-4-5-6-7-8

Following are abnormal connections:

1. If one cable, for example cable NO.3 is open circuited, the two NO.3 lights of the main tester and remote tester will not light on.

2. If several cables are not connected (3 or more), none of the lights is on.

3. If two ends of a cable is disordered, for example NO. 2 and NO. 4, then displays on: Main tester: 1-2-3-4-5-6-7-8 / remote tester: 1-4-3-2-5-6-7-8

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RJ11 RJ12 Cable Testing

Plug one end of the cable into the RJ11 plug on the tester and Plug either end of the cable into this port until it clicks. This indicates that the cable is fully-connected.

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Test RJ45 Cable

Test CAT6 CAT6A CAT5 CAT5E CAT7 network cable to discover any wiring mishaps including bad shorts, crossing pairs, open wires, etc.

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Function by Battery

The RJ45 cable tester needs a 9-volt battery to function. Note: This battery is not included in the package at the time of purchase.

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The RJ45 cable tester 2 sets of 8 LED lights that correspond to the 8 pins on the transmitting and receiving end of the Ethernet cable. There will also be a G light for the ground.

RJ45 CABLE TESTER are used to provide the basic verification detail of wires. The testers inform you whether the cables are paired and connected correctly or not.


Kong Kuen Ha
Reviewed in the United States on February 4, 2025
Price very good. It does its job very well. Can't complain
Bonnie Simons
Reviewed in the United States on November 23, 2024
The device is consistent with its description. This is a cable continuity tester that works very well, and that's what I need now.
Jose Saucedo
Reviewed in the United States on November 22, 2024
The product works great to show which pins are not fully punched. Or if there are bad wires.
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