Front View (ThinkPad Port Replicator Series 3)
1
Power switch
2
Eject button
3
Sliding adjuster
4
Docking connector
Rear View (ThinkPad Port Replicator Series 3)
1
Power jack
2
Ethernet connector
3
USB connectors
4
External monitor connector
5
Security keyhole
104
ThinkPad X220 and X220i Hardware Maintenance Manual