3Com SuperStack II Switch 9300, Руководство по началу работы

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22 C
HAPTER
2: I
NSTALLING THE
S
YSTEM
To find the top of the pattern, locate the midpoint
between any two holes that are spaced
1 /
2
inch apart.
Figure 7 shows the universal mounting hole pattern.
Figure 7 Universal Mounting Hole Pattern
4
Determine which holes to use to mount your system.
Two Switch 9300s are designed to mount in any 3U
space of the rack (that is, the space occupied by three
instances of the universal mounting hole pattern).
Figure 8 illustrates the positions of two Switch 9300s,
one attached to holes 1 and 3 and the other attached
to holes 6 and 8.
To mount only one Switch 9300, use either position.
Figure 8 Placement of Switch 9300s in a Distribution Rack
5
Repeat the process on the other rail.
Be sure to select holes that are parallel to each other
on the mounting rails.
Top of the pattern
or top of the rack
Universal
mounting
hole pattern
= 1U
= 1 3/4 inches
1/2"
1/2"
1/2"
1/2"
5/8"
5/8"
5/8"
5/8"
5/8"
5/8"
1U
1U
1U
Bottom of the pattern
Hole 1
Hole 3
Hole 6
Hole 8
Placement of
Switch 9300
(position 2)
Placement of
Switch 9300
(position 1)
3U
(5.25")