Will this work for testing an ethernet cable where one end is the in-wall jack and the other end is a RJ-45 connector?

If you look closely at the pictures (or pictures of other testers that include multiple views) you'll see that the two units have female RJ45/RJ1X ports.So:-- If you're testing a single cable, you just plug each end of the cable into each unit.-- If you want to test, as you're asking, a cable with an RJ45 on one end and a wall jack on the other, you'll need a small patch cable to connect the wall jack to one of the units.-- If you want to test from wall jack to wall jack you'll need *two* short patch cables.If you look at the reviews/customer images for this unit, you'll see a (single) small patch cable *is* included. You can also just search Amazon for "6 inch ethernet patch cable" and you'll get a crap-ton of results to choose from.

Do you need to get the probe to do toning?

A very common probe "Progressive Electronics 200EP" probe works with it.

Will this test usb 3 cables? what kind of usb connectors are supported?

Hi Rich!,Thanks for your interest in TRENDnet! This cable tester won't be able to test USB 3.0 cables. You will want to look at TRENDnet's TC-NT3.Hope this helps! If you have any more questions, you can always respond directly to this thread or you can reach out to our 24/7 toll free tech support line at 866-845-3673 and someone will be happy to try and help answer any additional questions you may have!Have a great day!Thanks.TRENDnet Direct CS

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Description

🔧 Master your network with precision and reach — don’t let faulty cables slow your hustle!

DUAL UNIT DESIGN - Transmitter and receiver units enable seamless local and remote testing, eliminating guesswork across distances.
PORTABLE READY - Includes RJ-45 to BNC adapters, patch cable, and a sleek carry pouch — stay prepared wherever your network takes you.
EXTENDED REACH TESTING - Confidently test cables up to 300 meters, perfect for large-scale office or data center setups.
PRECISION PIN DIAGNOSTICS - Accurately identifies proper, severed, short circuit, and cross connected pins for flawless network integrity.
VERSATILE CABLE COMPATIBILITY - Supports Cat 3 to Cat 7, coax, USB (with adapter), and BNC cables — your all-in-one network tester.

The TRENDnet TC-NT2 Network Cable Tester is a professional-grade tool designed to accurately test Ethernet, USB, and BNC cables up to 300 meters. Featuring local and remote testing capabilities with transmitter and receiver units, it identifies pin faults including shorts and cross connections. Compatible with a wide range of cable types and including essential adapters and a carry pouch, it’s the ultimate portable solution for network professionals ensuring flawless connectivity.

Specifications

Brand	TRENDnet
Power Source	Dc
Style	Network Cables Tester
Color	Multicolor
Item Weight	8 ounces
Item dimensions L x W x H	0.18 x 0.1 x 0.04 inches
Lower Temperature Rating	32 Degrees Fahrenheit
Upper Temperature Rating	122 Degrees Fahrenheit
Measurement Type	Ohmmeter
UPC	710931401172 042111130399 078667465319 611101588924 163120803361 710931401011 115970726987 191120015125 013201135587 803982798794 797875975471 021111256674 132018270097 971476173140 001910305926 071030502741 887614624170 211131850864 168141513725 100177355733 021112261332 763615995948 013040055756 086000428600 172304260067
Manufacturer	Trendnet
Global Trade Identification Number	00710931401011, 05053460950922
Wireless Type	802.11bgn
Series	TC-NT2 19073108
Item model number	TC-NT2
Product Dimensions	0.18 x 0.1 x 0.04 inches
Item Dimensions LxWxH	0.18 x 0.1 x 0.04 inches
Batteries	2 AA batteries required.
ASIN	B0000AZK08
Is Discontinued By Manufacturer	No
Date First Available	July 26, 2003

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