The past and future of Copper cable communication technology
DSL (Digital Subscriber Line) is a combination of transmission technologies with copper telephone lines as transmission media, including HDSL, SDSL, VDSL, ADSL and RADSL, generally called xDSL. Their main differences are reflected in the differenc...
OTDR or Light Source Power Meters?
What’s Your Best Bet for Link Loss Measurement Uncertainties?
Optical time-domain reflectometers (OTDRs) are widely used to characterize elements on a fiber link, such as connectors and splices, because they can measure attenuation (signal loss), ...
What Is a Passive Optical Network?
A passive optical network (PON) is a fiber-optic network utilizing a point-to-multipoint topology and optical splitters to deliver data from a single transmission point to multiple user endpoints. Passive, in this context, refers to the unpowered ...