FTTx えふ・てぃう・てぃう・えっくすじゃありませんでした
efu·tiu·tiu·ekkusuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of FTTx

1. Was not FTTx.; It wasn't FTTx.

Past/Perfective
Negative
Polite
Terminal Form
Telecommunications