TMSL 097-45018-02 Issue 3: Mar 96
Page 10
SYSTEM MESSAGES
\''ALARM INDICATION SIGNAL RECEIVED\'' Received alarm indication
\''CARD FAIL\'' Card has failed
\''CLOCK ACTIVE\'' Clock is active
\''CLOCK FREERUNNING\'' Clock is in the freerunning mode
\''CLOCK IN HOLDOVER\'' Clock is in the holdover mode
\''CLOCK NOT CONVERGED\'' Clock is not locked to the input signal
\''DISCIPLINING REFERENCE SWITCHED\'' Timing input has switched to another reference
\''EXPANSION MAJOR\'' Expansion shelf has a major alarm
\''EXPANSION MINOR\'' Expansion shelf has a minor alarm
\''FRAMER FAILURE\'' Framing
\''FUSE OR POWER FAIL\'' Fuse or power at DCD system has failed
\''INPUT OUT OF TOLERANCE\'' Input signal is out of the clock unit’s pull-in range
\''INPUT ACTIVE\'' Input signal is active
\''LOSS OF SIGNAL\'' Signal is lost
\''LOSS OF ALL PRIMARY TIMING INPUT REFERENCES\'' All primary timing input references have been
lost
\''LOSS OF STRATUM A INPUT\'' Input from clock in ST A slot has been lost
\''LOSS OF STRATUM B INPUT\'' Input from clock in ST B slot has been lost
\''OUTPUT SYNC PORT FAIL\'' Output port on an output card has failed
\''ST SYNTH SIGNAL FREQ DRIFT\'' The synthesized signal from the clock card is
showing frequency drift
\''SYNC INPUTS UNLOCKED\'' Synchronization inputs are unlocked
\''SYNC INPUT FAILED\'' Input reference signal input has failed
\''SYNC SYSTEM FAIL\'' Entire system has failed
\''THRESHOLD VIOLATION FOR BPV\'' Bipolar violation threshold has been exceeded
Table C. Terminal Alarm Displays (Contd)
DISPLAY MEANING
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