also: エイチディーエスエル · エッチディーエスエル
noun
HDSL; high-bit-rate digital subscriber line
Technical term in telecommunications; refers to a symmetric DSL technology for high-speed data transmission.
ＨＤＳＬは対称型のデジタル加入者線技術です。
HDSL is a symmetric digital subscriber line technology.