Fluke OC3port Plus User Manual page 33

OC3port Plus
Users Manual
Table 2-2 lists the general status LEDs and their meanings.
LED Name
STATUS
ATM CELL LOCK
ALARMS
PATTERN / ERROR
INSERT
LOOPBACK
POWER
The remaining 18 LEDs, found on the right side of the tester, indicate the status of
the connected SONET network.
The OC3port Plus can detect nine separate alarms.
The red LEDs indicate active or current alarms, while the yellow (History) LEDs
indicate that an alarm occurred at some time in the past but is no longer being
detected.
2-8
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Table 2-2. OC3port Plus General Status LEDs
LED Condition
Slow blinking Indicates that the laser transmitter is set to
OFF. (for single-mode units only)
Constant Green Indicates that the laser transmitter is set to
ON. (For single-mode units only).
On Indicates that ATM cell delineation has been
achieved.
On Indicates that alarms are being transmitted
On Indicates that patterns or errors are being
transmitted.
On Indicates that the unit is in line loopback or in
cell loopback mode.
ON Indicates adequate AC or battery power.
Blinking Indicates that the battery is low on power.
Meaning