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🔗 Connect with Confidence — The Ultimate Fiber Loopback for Next-Level Network Testing
The LC Fiber Optic Loopback Adapter features duplex LC connectors and bending insensitive Singlemode 9/125 fiber, delivering ultra-low insertion loss (≤0.20dB) and high return loss (≥50dB). Fully tested for durability and compliance with Telcordia GR326 and RoHS standards, it’s engineered for precision fiber optic testing, network restoration, and equipment interconnection across demanding environments.
| ASIN | B0755K87P3 |
| Best Sellers Rank | #45,862 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Fiber Optic Connectors |
| Brand | YIENFBEV |
| Cable Type | Fiber Optic |
| Color | Blue |
| Compatible Devices | Modem |
| Connector Gender | Male-to-Female |
| Connector Type | LC |
| Customer Package Type | Coiled in protective tubing or sealed anti-static bag |
| Date First Available | July 19, 2017 |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.25 ounces |
| Item model number | 742354861707 |
| Manufacturer | Comm cable |
| Model Name | LC Fiber Optic Loopback Adapter |
| Number of Items | 1 |
| Number of Pins | 2 |
| Outer Material | Cardboard |
| Package Dimensions | 5 x 3 x 0.5 inches |
| Recommended Uses For Product | R&D, fiber labs, telecom testing, FTTX testing, patch panel applications, equipment interconnection |
| Shape | Round |
| Special Feature | Data Transfer |
| Specification Met | RoHS |
| UPC | 742354861707 |
| Unit Count | 1 Count |
J**S
Great value!
Arrived on time. Added to Fiber tool chest.
V**E
Thanks
Great buy
Y**Y
It works as expected and does the job for testing without any issues.
Nothing special, just a regular LC single-mode loopback adapter.
B**P
Good for what it is
I use these or short simplex cables frequently to verify far side cabling to routers/switches, and this takes up harly any space. I can rarely find someone to stand around and confirm they see red on the right jack at 2 or 3 in the afternoon, let alone at 2 or 3 AM. These are an easy way to make sure that the right strands ended up going to the right device/port. Expected port comes up on the far end, you're good to go. If not, investigate and make adjustments. Same as T1 loopback plug or ethernet loopback plug or whatever - they are all useful. I wish they would make better ferrule protectors for these, though, like a snap on cap.
C**H
Real time saver
I bought three of these just to have them. The next day after they arrived I had to verify links to a secure forensic lad that required escorts and wait time for access. Luckily it was a six strand. I plugged one into each of the three ports at the lab and shot my VFL on the A strand of each port returned to the B port. The time that saved me was amazing. I will probably buy more for higher strand counts.
P**T
Good
Bought to do a loop back test. It's small enough to just throw it in your pocket
K**S
attractive and WORKS
Reconnected 'Command System' in my 'new to me' Mercedes Benz. The audio system (BOSE) uses a special (D2B) 'fiber optic' network with several MBZ only electronic devices. When one goes down, everything stops and while diagnosing WHICH is straightforward, cost of repairing that component is sobering.
A**R
Meets my needs
Nice and compact
Trustpilot
2 weeks ago
1 month ago