Recording the Diagnostic Display Light Pattern
Recording the Diagnostic Display Light Pattern
Diagnostic
Display Lights
Location
On the rear of the system unit, there are eight recessed
amber-colored lights, as shown in Figure 14–5.
Figure 14–5 Position of Diagnostic Display Lights
MLO-008618
ISDN
S3
2
1
0
1 0234567
The diagnostic display lights can provide your Digital service
representative with important information in determining the
source of a problem.
Running Diagnostic Tests 14–11
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