H3C S12500G-EF Series Installation Manual page 22

Table 2-4 Description for signs on the slide rails
Sign
F/L
F/R
2. Mark the slide rail installation positions on the rack posts.
Make sure the top flange of the slide rail aligns with the middle of the narrower metal area

between holes on the right front rack post, as shown by callout 1 in
Make sure the slide rail installation positions are at the same height on the four rack posts

so that the device can be placed on the slide rails evenly.
3. Install cage nuts in the marked square holes within 2 RU at the same height on the rack posts,
as shown by callout 2 in
a. Insert the lower ear of a cage nut into the corresponding installation hole.
b. Compress the upper and lower ears of the cage nut to lead the upper ear through the hole.
4. Align the installation holes on the front end of the slide rail with the cage nuts on a front rack
post, and use six M6 screws to attach the slide rail to the rack post, as shown by callout 3 in
Figure 2-7.
5. Keep the slide rail horizontal and adjust its length until the installation holes on the rear end of
the slide rail touch the cage nuts on the rear rack post. Then use screws to attach the slide rail
to the rear rack post.
Install a screw in each mounting hole of the slide rail to ensure its weight bearing capacity.
6. Repeat steps 4 and 5 to install the other slide rail.
Figure 2-7 Installing the LSTM2KSGD0 slide rails
Meaning
Front end of the left slide rail
Front end of the right slide rail
Figure 2-7. Each rack post requires six cage nuts.
1
1RU
1RU
2-7
Remarks
Mount this end to the front left rack post.
Mount this end to the front right rack post.
2
3
Figure 2-7.