ぎゃく方向 ほうこう通信 つうしん じゃないです
gyakuhōkōtsūshinrojanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 逆方向通信路

1. It's not a reverse communication path.; It's not the reverse communication channel.

Negative
Polite
Casual Register
Computing