Name: Networx T1 / E1 / PRI Loopback Tester - RJ45 Universal Pinout (Pins 1-4 and 2-5) - Circuit Verification for Router CSUs and Smartjacks
Brand: Networx
SKU: 8045411
Price: 27.61 EUR
Availability: InStock
Rating: 4.375 (8 reviews)

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 27.61

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

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Description

🔧 Loop in flawless connectivity — don’t let your network miss a beat!

FIELD READY DURABILITY - Compact, molded PVC design with gold-plated contacts built for rugged telecom environments.
HARDWARE LOOP PRECISION - Creates a physical loop on transmit/receive pairs to isolate faults instantly.
UNIVERSAL COMPATIBILITY - Works natively with ANSI T1.403, E1, and ISDN PRI—no adapters or batteries needed.
LIFETIME WARRANTY ASSURANCE - Invest once, test forever with Networx’s industry-leading lifetime warranty.
INSTANT CIRCUIT VERIFICATION - Diagnose T1, E1 & ISDN PRI lines in seconds with zero setup.

The Networx T1/E1/PRI Loopback Tester is a compact, plug-and-play diagnostic tool designed for telecom pros to instantly verify and isolate faults on T-Carrier circuits. Compatible with T1, E1, and ISDN PRI standards, it features a hardware loop on critical pins, durable gold-plated contacts, and comes backed by a lifetime warranty—making it an essential, reliable asset for any network technician’s toolkit.

Specifications

ASIN	B00E4OKJKY
Best Sellers Rank	#125,983 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #234 in Network & Cable Testers
Brand	Networx
Brand Name	Networx
Color	Blue
Compatible Devices	PC, Laptop, Network Switch
Customer Reviews	4.5 out of 5 stars 94 Reviews
Global Trade Identification Number	00845425016546
Item Dimensions	3.56 x 3.25 x 0.78 inches
Item dimensions L x W x H	3.56 x 3.25 x 0.78 inches
Manufacturer	Networx™
Model	845425016546
Part Number	LB-T1E1S
Power Source	Corded Electric
Style	T1 / E1 / PRI Loopback
Style Name	T1 / E1 / PRI Loopback
UPC	845425016546

Reviews

S**P

Simple and good insurance all will work fine. Good craftsmanship.

worked flawlessly. I was instructed to build a cord, but didn't want to take a chance. This was cheap insurance it was done right. Keep one in your arsenal.

8.03.2025

T**N

So easy and convenient to install.

16.11.2025

S**O

T1/E1

WORKS AWESOME AND VERY TIME EFFICIENT.

7.06.2024

D**H

Work related

This made life so much easier. Dont have to make them anymore and wont lose this one.

6.01.2025

P**Z

Works as expected

Plug into router. See loop.. Plug on cable.. see loop.. great tool for testing.

15.07.2019

T**G

Very convenient

Very convenient to use.

27.05.2023

C**R

Four Stars

outstanding product

15.09.2015

S**N

Doesn't work

and it's not heavy enough to use as a paper weight so useless

4.02.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 27.61

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago