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Checking Signal Status
CTS 710 SONET Test Set User Manual
3–59
Clear History
button clears
history of events
Yellow history lights
indicate an event has
occurred
Red lights indicate an
event is occurring now
Green lights
indicate the
condition is true
Figure 3–21: Front-Panel Status Lights (with Add/Drop/Test Option
Installed)
H Green lights indicate the condition is true. See Table 3–5.
Table 3–5: Green Status Lights
Label on Light
Meaning if Light is On
SIGNAL PRESENT A signal at the line rate specified by the Receive Rate
parameter is present.
PATTERN LOCK Lock to a PRBS or fixed pattern has been achieved.
Checking Signal Status
CTS 710 SONET Test Set User Manual
3–59
Clear History
button clears
history of events
Yellow history lights
indicate an event has
occurred
Red lights indicate an
event is occurring now
Green lights
indicate the
condition is true
Figure 3–21: Front-Panel Status Lights (with Add/Drop/Test Option
Installed)
H Green lights indicate the condition is true. See Table 3–5.
Table 3–5: Green Status Lights
Label on Light
Meaning if Light is On
SIGNAL PRESENT A signal at the line rate specified by the Receive Rate
parameter is present.
PATTERN LOCK Lock to a PRBS or fixed pattern has been achieved.