OT Lexicon
Industrial network knowledge
0 ratings
Free
In-App Purchases
Rating summary
About
OT Lexicon explains industrial networks and operational technology in a clear, practical way. Learn IP addresses, gateways, VLANs, Profinet, OPC UA, Modbus, ports, subnet masks, DNS, NTP, fiber optics and many more OT fundamentals.
Built for electricians, technicians and OT beginners, the app turns complex network terms into simple explanations, everyday comparisons, diagrams, practical plant examples and quiz questions.
Premium unlocks knowledge checks, custom company terms, plant examples, favorite notes and a practical port and protocol overview. Ideal for quick reference in the workshop, during commissioning or while troubleshooting industrial systems.
Show more
+2
What's New in OT Lexicon
1.1
September 24, 2026
New in version 1.1: • Added fiber-optic terms, single-mode, multimode, ST connectors and the DIN/IEC color sequence • Added illustrated RJ45 pinouts for T568A and T568B • Topic cards on the home screen now open the matching articles • Fixed article navigation when opening the lexicon from the menu • Improved search and custom company-term input • Expanded the port and protocol guide, plant examples and knowledge quiz • Improved visual clarity and contrast throughout the app
More1
In-App Purchases
$3.99
OT Lexicon Premium
Unlock quiz, examples, notes and protocol overview.
