Asus RS926-E7/RS8 - Manual (Page 51)

3-3 ASUS RS920-E7/RS8; RS926-E7/RS8
1. Select a 1U space on the rack
where you want to install the
rack rail. A 1U space consists
of three square mounting holes
with two thin lips on the top and
the bottom, as shown in the right
figure.
2. Adjust the rack rail to fit the depth
of the rack.
4. Secure the front and rear ends of
the rail with two rack screws and
washers.
5. Repeat step 1 to 4 to attach the
rack rail on the other side of the
rack.
3. From inside the rack, place the
rear rail hook on the bottom thin
lip of the rear mounting hole, and
then place the front rail hook on the
bottom thin lip of the front mounting
hole, as shown in the right figure.