Monday, December 14, 2020

Singlemode Fiber Issues... 1G Works & 10G Does Not Work

I recently installed singlemode fiber to interconnect a client's main house to their guest house using UF-SM-10G SFP modules, however I keep receiving an RX Fault, I used a VFL to confirm light is coming through the fiber and re-cleaved the ends multiple times... then through accidental turn of events I connected the fiber ends to UF-MM-1G.... and it WORKED! The issue is I need 10G connectivity plus... I have no idea why single mode fiber would ever work with multimode SFPs...

I have triple checked to make sure I pulled single mode fiber and I did... confirmed the labeling on the jacket... and confirmed I was using the correct AFL connectors... included below are the details of what I used... along with the details fo the environment

Any assistance here would be great... because i am at loss for words on this project.. Thanks.

AFL LC Termination: AF-FAST-LC-SM-6

Fiber Specs: https://files.cablewholesale.com/pdfspecs/10f3-002nh.pdf

Environment:

UDM-Pro (v1.8.3.2949) Connected to USW-Pro-24-PoE (v 5.43.18.12487) with UF-MM-10G (Main House)

Main House Switch Connected to USW-Pro-24-PoE (v 5.43.18.12487) with CAT6 & UF-SM-10G (Guest House)

Network Diagram: https://img.community.ui.com/c6524b24-732e-44a0-8441-d48fe79190e5/questions/75784abb-199a-445f-835d-ae9fa4a33c14/05da41c0-9c49-4892-95dc-09e8802b5075



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