Lenovo ThinkPad i Series 1157 ThinkPad 570 User's Reference - Page 147

Extending features: Port Replicator with Advanced EtherJet Feature and Direct Dock Adapter Security features of the Direct Dock Adapter If you attach a mechanical lock to the port replicator, the Direct Dock Adapter's lock cannot be changed. To secure your computer, set the security lock on the Direct Dock Adapter to the locked position before you attach the Direct Dock Adapter to the port replicator. Attach the mechanical lock to the first security system lock of the Port Replicator with Advanced EtherJet Feature. For more information replicator. the manual shipped with the port You need to purchase the mechanical lock on the market. You are responsible for evaluating, selecting, and implementing the locking devices and security features. Chapter 2. Using your computer and extending its features 131