H3C S12500G-EF Series Installation Manual page 20

Table 2-3 Description for signs on the slide rails
Sign
LEFT/FRONT
RIGHT/FRONT
NOTE:
• The LSXM1BSR slide rail accessories include the left slide rail, right slide rail, and front
plate.
• One rack unit (RU) has two standard installation holes and one auxiliary installation hole in
the middle. The space between a standard installation hole and an auxiliary installation hole
is wider than the space between two adjacent standard installation holes.
2. Mark the slide rail installation positions on the rack posts.
Align the locating tongues of the slide rails with the target auxiliary holes in the rack posts,

as shown by callout 1 in
Mark the start installation hole at the same height on each rack post.

3. Install cage nuts in the marked standard hole and the standard hole within the same RU. A total
of eight cage nuts are required, with two cage nuts for each rack post.
4. Align the installation holes on the front end of the slide rail with the cage nuts on a front rack
post.
5. Keep the slide rail horizontal and adjust its length until the locating tongues on the slide rail are
attached to the auxiliary holes on the rack posts.
6. Use M6 screws to secure the slide rail to the front and back rack posts, as shown by callout 2 in
Figure 2-5.
To ensure load bearing, each installation hole of the slide rail requires a screw. A total of four
M6 screws are required to secure the slide rail to the rack.
7. Repeat steps 4, 5, and 6 to install the other slide rail.
8. Attach the front plate to the rack:
a. Orient the front plate so that the front of the plate faces outward.
of the plate.
Figure 2-4 Rear of a front plate
1
(1) Installation hole
b. Align the installation holes in the front plate with the front plate installation holes in the slide
rails, and fasten the screws, as shown by callout 3 in
Two M4 screws are required to secure the front plate to the rack.
Meaning
Front end of the left slide rail
Front end of the right slide rail
Figure 2-5.
2-5
Remarks
Mount this end to the front left rack post.
Mount this end to the front right rack post.
Figure 2-4
Figure 2-5.
shows the rear