H3C Technologies H3C S7500E Series Switches - Manual (Page 22)

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Figure 4 Right slide rail
(1) Sign (2) Guide rail (3) Installation hole
Table 7 Description for signs on the slide rails
Sign Meaning Remarks
F/L Front end of the left slide rail Mount this end to the front left rack post.
F/R Front end of the right slide rail Mount this end to the front right rack post.
2. Mark the position on the rack for installing the slide rail.
{
Make sure the bottom edge of the slide rail aligns with the middle of the narrower metal area
between holes on a rack post, as shown in
Figure 5 .
{
Each rack post requires six screws to secure the slide rail. You only need to mark the uppermost
square hole and lowermost square hole for installation.
{
Mark the square holes at the same height on the other three rack posts.
NOTE:
One rack unit has three holes, the middle of which is an auxiliary installation hole, and the other two
are standard installation holes. You can distinguish them by the space between each two holes. The
space between a standard installation hole and an auxiliary installation hole is larger than the space
between two adjacent standard installation holes.