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.
Category Data Center
Read MoreCopper vs. Fiber Optics: Choosing the Right Physical Layer
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.
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.
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.
40G QSFP+ vs 100G QSFP28: The Definitive Guide to Upgrading Your Data Center
Don't buy the wrong module. Get the expert technical breakdown of 40G QSFP+ and 100G QSFP28 to confidently manage your high-speed migration.
QSFP28 vs. QSFP-DD: The Ultimate 100G vs. 400G Transceiver Guide
QSFP28 vs QSFP-DD: What's the difference? This 2025 guide details the 100G vs. 400G/800G form factors, pinout, and why QSFP-DD is the future.
The 100G Transceiver Compatibility Guide: Why You Don’t Need OEM
Are OEM 100G transceivers too expensive? Learn how third-party compatible optics (Cisco, Arista) work safely and how PHILISUN guarantees 100% compatibility.
MPO Polarity Guide: Type A, B, C Explained for Engineers
Don't let MPO polarity mistakes shut down your network. Our guide (with diagrams) explains Type A, B, and C MPO polarity for 40G/100G data center links.
Top 10 Fiber Optic Cable Manufacturers in 2025
Here's an updated list of the best fiber optic cable manufacturers, with FS and PHILISUN among the leaders driving innovation and connectivity worldwide.