Tektronix CTS 850, User Manual

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Functional Overview
CTS850 SDH/PDH Test Set User Manual
2–5
H
Red status lights. When a red status light is on, it means that the
indicated event is occurring. When the red light is off, no event is
occurring.
H
Yellow history lights. Once an event has been detected, a yellow
history light is turned on. The yellow history light shows that the
associated event occurred at some time in the past. Yellow history
lights remain on until you reset the event history by pressing the
CLEAR HISTORY button, starting a new test, or changing the
Receive Configuration settings (Receive Rate, Receive Pattern,
etc.).
Yellow history lights
indicate an event has
occurred.
Red lights indicate an
event is occurring
now.
Green lights
indicate the
condition is true.
Clear History
button clears
history of
events.
MS RDI
AU AIS
HP RDI
TU AIS
LP RDI
LSS
PDH–AIS
PDH–RDI
ERROR
POINTER ADJ
OOF
Figure 2–4: Status Lights