noun
A networking device that aggregates multiple data streams into one. Technical term used in computing and telecommunications.
この集配信装置は、複数の端末からのデータを一本の回線にまとめる。
This concentrator combines data from multiple terminals into a single line.
Compound of 集 (collect), 配信 (distribution/transmission), and 装置 (device). The exact historical derivation is uncertain; the term is a modern technical coinage.