ぎゃく方向 ほうこう通信 つうしん じゃありませんでした
gyakuhōkōtsūshinrojārimasendeshita

Noun
Desu Copula

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

1. Was not a reverse communication path.; Was not a reverse channel.

Past/Perfective
Negative
Polite
Terminal Form
Computing