DSn Tabs
SONET/SDH Application
231
FDL RX
Link Activity
Indicates the activity of the following parameters during the last second of
measurement A link activity is indicated by an LED.
Idle
indicates that only idle codes have been detected in the last second.
Priority
indicates that at least one valid priority message has been
detected in the last second.
Command/Response
indicates that a least one valid command and
response has been detected in the last second.
Unassigned
indicates that at least one unassigned message has been
detected in the last second. Therefore, since an unassigned message is
part of a Command/Response codewords, the Command/Response LED
will also be red.
PRM
indicates that at least one PRM has been detected in the last second.
Содержание FTB-8100 Series
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