NEC POWERMATE P2166 Manual page 90

NOTE
If the device comes with drive rails, do not
attach them. Remove any rails already attached.
From the front of the system, insert the device, connector
4.
end first, into the device slot.
NOTE
To easily access device connectors for
cabling, do not insert a 5 1/4-inch device all the way
into the slot.
Connect the device cables.
5.
6. Align the holes in the device with the holes in the cage.
7. Secure the device to the cage with the four screws, two
to a side, that come with the device.
Securing the device
Installing Options 3-51