Glossary

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There are currently 2 terms in this directory beginning with the letter R.
Reconfigurable Optical Add Drop Multiplexer
A multiplexer that can add or drop optical signals using WDM technology, without having to change them into electrical signals. Its development was a vital breakthrough that made WDM technology more widespread.
ROADM

Remote PHY
A type of distributed architecture in cable access networks in which the physical layer (PHY) is moved from the cable headend to the nodes in the edge of the network. It reduces the load on the headend, allowing to handle more fiber connections.