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What Is Power-over-Ethernet?
PoE is short for Power Over Ethernet, is a methods of carrying both data and power to a device over copper cable. This is accomplished by running a twisted-pair copper cable, such as a Category 5 cable, from a device to a mid-span or endpoint, where the cable can be connectorized using standard RJ-45 or similar modular connectors. […]
Fiber Optic Test Set
The simplest test we can make on a fiber optical system is to see whether light is getting through and how much is lost. The instruments used for this are called an optical source and a receiver. Together, they form a fiber optic test set. Most fiber optic test sets work with several different wavelengths. […]
TV and video services in FTTx triple play service
As telcos turn to triple-play services (video, voice and high-speed internet access) to reduce churn and increase revenue, they need to find a way of delivering TV and video to the end-user as cost-effectively as possible. Each of the major point-to multi point PON variants – BPON, GPON and EPON – offers two different methods […]