じゅん方向 ほうこう通信 つうしん ではありませんでした
junhōkōtsūshinrodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 順方向通信路

1. Was not a unidirectional communication path.; Was not a forward communication channel.

Past/Perfective
Negative
Polite
Formal Register
Computing