permanent connection; fixed connection
Computing term for a connection that is always on or statically configured, as opposed to a temporary or dial-up connection.
This server is connected to the Internet via a permanent connection.
To configure a fixed connection, you need to enter the IP address manually.
常時接続 also means 'always-on connection' and is often used interchangeably, but 固定接続 emphasizes the static, unchanging nature of the connection parameters.
permanent virtual connection; PVC
Compound of 固定 (こてい, 'fixed') and 接続 (せつぞく, 'connection').