Connector with locking bracket (2) and locking tongue (1), - to release, lower the bracket (2) down (arrow), connection is made with the bracket lowered
Connector with two locks - to release, squeeze (arrows), when connecting, make sure the locks snap into place securely
Connector with one lock - to release press (arrow), when connecting make sure the lock snaps securely
The connector does not have locks, when connecting, make sure it fits correctly