| Subject | English | Japanese |
| comp. | n permanent virtual circuit | パーマネント・バーチャル・サーキット |
| comp. | n Permanent Virtual Circuit | 相手先固定接続 |
| comp., MS | permanent virtual circuit | 相手固定接続 (A type of circuit used by an X.25 connection, in which the circuit is constantly active, and the destination address is preset) |
| comp. | n permanent virtual circuit | パーマネントバーチャルサーキット |
| comp. | n Switched Virtual Circuit | 相手先選択接続 |
| comp., MS | switched virtual circuit | 交換仮想回線 (A logical connection between two nodes on a packet-switching network that is established only when data is to be transmitted) |
| comp. | n switched virtual circuit | スイッチドバーチャルサーキット |
| comp. | n virtual circuit | 仮想回路 |
| comp., MS | virtual circuit | 仮想回線 (A connection between communicating computers that provides the computers with what appears to be a direct link but can actually involve routing data over a defined but longer path) |
| gen. | n virtual circuit | バーチャル・サーキット |
| gen. | n virtual circuit | バーチャルサーキット |