Copper vs. Fiber Optics: Choosing the Right Physical Layer
Learn how to strategically deploy copper (Cat6/6a) and fiber optics (SFP/QSFP) across different network layers for optimal performance, scalability, and long-term ROI.
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Custom Length MPO Cables: How to Specify Gender, Polarity, and Fiber Count
Need specific MPO cable lengths to avoid rack clutter? Learn how to specify MPO Polarity (A/B/C), Gender (Male/Female), and Jacket type (Plenum/LSZH). Request a custom quote from PHILISUN today.
What is Dark Fiber? A Guide to Dark Fiber and Long-Range Transceivers
What is dark fiber? Learn how leasing unused fiber strands gives you unlimited bandwidth control. Discover the DWDM and Long-Range (ER/ZR) transceivers needed to light up a dark fiber network.
Simplex vs Duplex Fiber: Understanding Fiber Types and When to Use MPO
What is the difference between Simplex and Duplex fiber? We explain the applications for each, from BiDi transceivers to standard LC patch cords, and introduce the future: MPO parallel optics.
How to Clean Fiber Optic Connectors: Preventing the #1 Cause of Network Failure
98% of network failures are caused by dirty connectors. Learn the IEC standards for cleaning fiber. Our guide covers dry vs. wet cleaning for LC and MPO connectors to ensure zero packet loss.
Cat6 vs. Fiber Optic: Why Your Business Network Needs to Upgrade Now
Cat6 or Fiber? Don't decide based on speed alone. We compare latency, distance limits, EMI immunity, and TCO. Discover why switching to fiber optics and SFP+ modules is the future-proof choice.
The Cisco Compatible SFP+ Warning: Decoding the “Unsupported Transceiver” Error
Persistent Cisco Compatible SFP+ Warnings disrupt your network? Discover the common physical issues—from power budget overruns to connector contamination—that quality optics must overcome for reliable, warning-free performance.
10G SFP+ ER vs ZR: The Definitive Guide to Long-Haul Optical Transceivers
Need reliable long-distance 10G? This expert guide compares 10G SFP+ ER (40km) vs. ZR (80km). Learn the critical differences in link budget, power requirements, and cost for stable long-haul links.
SFP Transceiver Not Recognized? A 7-Step Troubleshooting Guide
Switch port down with an "unsupported" warning? Get the definitive 7-step guide to fixing "SFP transceiver not recognized" errors. Learn why EEPROM coding and compatibility are the root causes and how to guarantee integration.