noun
subscriber line
Technical term in telecommunications and computing for the physical circuit connecting a subscriber to the network.
ADSLは加入者回線を利用した高速通信技術です。
ADSL is a high-speed communication technology that uses subscriber lines.
回線 is a general term for a line or circuit, while 加入者回線 specifically refers to the subscriber's line in a telecommunications network.
Compound of 加入者 (subscriber) and 回線 (line, circuit).