H3C S12500G-EF Series Installation Manual page 25

The top flange of the slide rail aligns with the middle of the narrower metal area between

holes.
The cage nuts are installed in the correct holes.

Figure 2-10 Mounting the S12516G-EF in the rack
(1) Chassis handle
(3) Use M6 screws to secure the mounting brackets to the rack
Figure 2-11 Mounting the S12508G-EF in the rack
(1) Chassis handle
(3) Use M6 screws to secure the mounting brackets to the rack
(2) Slide the chassis into the rack
(2) Slide the chassis into the rack
2-10