Technical resources

Original optics, documented by reference.

Buying guides, technical notes and manufacturer-reference resources for professional optical links.

Editorial scope

SFP through QSFP-DD · original manufacturer references · selection boundaries · procurement context

Network Equipment TCO: Calculate the True Cost of Your Infrastructure

Network TCO: CAPEX, OPEX, and hidden costs; SMB example; Cisco vs FortiGate comparison; optimization levers.

April 15, 2026