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2-2 CHAPTER 2: INSTALLING THE SYSTEM
Installing the System on a Table Top or in a
Free-Standing Stack
To install the Switch 3900 system on a table top or in
a free-standing stack, follow these instructions:
1 See Appendix B for site requirements.
2 Turn the system on its side.
3 Remove the protective covering from the rubber feet.
4 Place one rubber foot in each marked area at the four
corners of the unit.
5 Turn the system onto its feet.
6 Verify that the air intake vents and fan exhaust vents
at the sides of the system are not blocked.
To install the system into a free-standing stack, place
the system on top of another. Be sure that the rubber
feet of the upper unit fit securely in the recesses in
the top of the lower unit. See Figure 2-1.
CAUTION: Stack no more than eight SuperStack II
systems in a single free-standing stack.
You are now ready to cable your system. For
instructions, see Chapter 3.
Figure 2-1 Stacking the Switch 3900
Status
1x
6x
12x
7x
13x
18x
24x
19x
25x
30x
36x
31x
green = enabled, link OK
flashing green = disabled, link OK
off = link fail
FaultPower
10/100 BASE - TX
2
31 10
11124
5
6 7
8
9
2
31 10
11124
5
6 7
8
9
14
15
16
17
13 1819
20
2122
2324
14
15
16
17
13 1819
20
2122
2324
26
27
28
29
25 3031
32
3334
3536
26
27
28
29
25 3031
32
3334
3536
Pckt
Stat
Pckt
Stat
Pckt
Stat
Status
1x
6x
12x
7x
13x
18x
24x
19x
25x
30x
36x
31x
green = enabled, link OK
flashing green = disabled, link OK
off = link fail
FaultPower
10/100 BASE - TX
2
31 10
11124
5
6 7
8
9
2
31 10
11124
5
6 7
8
9
14
15
16
17
13 1819
20
2122
2324
14
15
16
17
13 1819
20
2122
2324
26
27
28
29
25 3031
32
3334
3536
26
27
28
29
25 3031
32
3334
3536
Pckt
Stat
Pckt
Stat
Pckt
Stat
Place the feet of one system into the
mounting recesses of the system below it.
Super Stack II Switch 3900
Super Stack II Switch 3900
Status
1x
6x
12x
7x
13x
18x
24x
19x
25x
30x
36x
31x
green = enabled, link OK
flashing green = disabled, link OK
off = link fail
FaultPower
10/100 BASE - TX
2
31 10
11124
5
6 7
8
9
2
31 10
11124
5
6 7
8
9
14
15
16
17
13 1819
20
2122
2324
14
15
16
17
13 1819
20
2122
2324
26
27
28
29
25 3031
32
3334
3536
26
27
28
29
25 3031
32
3334
3536
Pckt
Stat
Pckt
Stat
Pckt
Stat
Super Stack II Switch 3900