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🔧 Test smarter, not harder — your network’s secret weapon!
The Networx® Gigabit RJ45 Loopback Tester is a compact, rugged device designed for quick and accurate testing of RJ45 network connections. Compatible with switches, servers, and wall jacks, it enables network professionals to instantly verify cable integrity and port functionality without bulky equipment. Its user-friendly plug-and-play design makes it an indispensable tool for efficient network troubleshooting and maintenance.
| ASIN | B00E4OKGDE |
| Best Sellers Rank | #120,852 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #169 in Network Testers |
| Brand | Networx |
| Color | blue |
| Colour | blue |
| Compatible Devices | Switch, Server, Wall Jack |
| Compatible devices | Switch, Server, Wall Jack |
| Connector Type | RJ45 |
| Connector type | RJ45 |
| Customer Reviews | 4.3 out of 5 stars 319 Reviews |
| Finish | Rj45 |
| Global Trade Identification Number | 00845425016560 |
| Item Dimensions | 9 x 8.3 x 2 centimeters |
| Item Weight | 0.06 Pounds |
| Item dimensions L x W x H | 9 x 8.3 x 2 centimeters |
| Manufacturer | Networx® |
| Mfr Part Number | LB-GB45S |
| Model Number | LB-GB45S |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | PC |
| Specific uses for product | PC |
| UPC | 845425016560 |
| Unit Count | 1.0 Count |
R**Y
Perfect loop back tester
Perfect piece of kit for any data / network installer
J**)
IMPORTANT TOOL for every network engineer.
It's basic, but it's necessary, and it works VERY well. Can't tell what switchport a wall port goes to? Throw on loopback detection on every port, plug this thing in, BOOM! Port identified! WAY easier than toning out cables!
M**A
works
Works fine.
J**R
Does exactly what it claims.
Nice network diagnostic tool.
C**T
Horrendous Quality Control
This flat out does not work. I have tried it on every port on every device I own including a router, unmanaged Ethernet switches, managed Ethernet switches, and all of my computers. The lights on the network interface stay off on all of them and these are all working interfaces. I'm sure some of these work after reading some of the other reviews, but the quality control on these products is horrendous and I would advise anyone to not take a chance on these and read carefully any reviews of other loopback plugs you are thinking about buying.
Trustpilot
5 days ago
1 month ago