Access Points

1. Copper vs Fiber Ethernet: Which Medium is Best for Your Network
   Selene Gong

   33
   Selecting the right cabling is a critical decision for any enterprise network. With options ranging from traditional copper (Cat5e/Cat6/Cat6a/Cat8) to modern fiber optic cables, choosing incorrectly can lead to network bottlenecks, higher long-term costs, or future scalability challenges. This ...
2. Cisco Access Point Flashing Red and Green: Troubleshooting & LED Behavior Guide
   Selene Gong

   34
   If you’re troubleshooting a Cisco AP that is flashing red and green or blinking red green, you’re not alone. Many network administrators encounter this LED pattern when devices are powering up, joining a controller, or experiencing configuration or PoE issues. Understanding these LED lights ...
3. Selecting the Best SFP Modules for Long-Distance Fiber Links
   Selene Gong

   33
   In enterprise and data center networking, long-distance fiber connectivity is a critical component of modern infrastructure design. Whether connecting campuses, remote buildings, or metro-scale environments, selecting the correct SFP (Small Form-factor Pluggable) module directly impacts link ...
4. Aruba AP-505 vs AP-635: Upgrading to Wi-Fi 6E (6GHz) for High-Density Environments
   Selene Gong

   18
   Quick Take The Aruba AP-635 introduces the clean, interference-free 6GHz spectrum (Wi-Fi 6E) to resolve severe 5GHz congestion in high-density environments, whereas the AP-505 remains a cost-effective dual-band Wi-Fi 6 solution for medium-density spaces. Upgrading to the AP-635 requires ...