A SERVICE OF

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A Closer Look at Your System
Back of the
System Unit
Take a minute to familiarize yourself with the ports, switches,
and indicators on the back of the system unit, shown in
Figure 2–8. Table 2–5 explains the functions of these features.
Figure 2–8 Back of System Unit
ISDN
S3
0 1 2
1 2 3 4 5
6
7
8
9
10
11
12
13
14 15 16 17
MLO-008606
2–12 Preparing to Install Your System