回線かいせん終端しゅうたん装置そうちじゃなかったです
kaisenshūtansōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 回線終端装置

1. Wasn't a terminal device.; Wasn't a line terminal.

Past/Perfective
Negative
Polite
Casual Register
Computing