NEC VERSA DOCKING STATION 6000 Manual page 25

Verify that the power cord is plugged into the docking station and that
3.
docking station power is turned on. (See "Connecting the Power Cable"
for details.)
The Docking LED should be a steady green, which indicates that it is
ready for docking.
4. On the back of the NEC Versa, open the expansion port cover and slide it
underneath the expansion port.
Check that all other NEC Versa port covers are closed.
Opening the NEC Versa expansion port cover
Docking/Undocking the NEC Versa 2-5
Docking LED