Vol. 04
Optical Network Training
From FTTx network architecture to field measurement and fault finding. A practical track built so that engineers new to the equipment can understand the principles and make their own judgement calls on site.
Curriculum
커리큘럼
Reading an FTTx Network in One Picture
From the central office to the subscriber premises — the full path an optical signal travels, and what each point on it actually does.
PON and Optical Splitters — How 32 Homes Share One Fiber
Why we do not run a dedicated fiber to every subscriber, how a passive optical network keeps traffic from colliding, and what the split ratio means in the field.
Optical Power Budget — Where a Link Lives or Dies
The difference between dB and dBm, how to add up real link loss, and which margins you have to reserve so a design survives contact with the field.
Finding Faults with an OTDR — How to Read the Trace
Telling splices, connectors and breaks apart on an OTDR trace, and the measurement settings that quietly change what you see.