FMUX/S-4E1-E2 Multiplexer
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Copyright © 2007 Cronyx
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• 'Sensor= ...' – the state of the external input sensor contacts: 'Open' or 'Closed'; if the
'Sensor input: Alarm on open" option is selected in the configuration menu, then an
additional message is shown:'Alarm on open').
For more information see the 'Emergency alarms' section.
The '
Link
' line shows the state of the link:
• 'OK' - normal mode, frame synchronization present;
• 'LOS' – loss of signal in the link;
• 'LOF' – loss of frame synchronization;
• 'AIS' – the AIS signal is being received;
• 'dB=...' – E2 link receiver signal level;
• 'Loop' – local loop is enabled on the link: the received signal is turned back
• 'Remote loop' – a request for a remote loop is enabled.
When the BER tester is enabled, the 'Link' line also shows information about test results:
• 'Test pattern not detected' – if the test pattern was not detected in the received data;
• 'Test error rate=...' – the error rate in the received data, 10
-1
to 10
-8
(shown in place of
the 'Test pattern not detected' message);
• 'Time total/loss=.../...' – the total test time (hours:minutes:seconds)/time in the 'Test
pattern not detected' state (in seconds);
• 'Bit errors=...' – data bit error counter;
• 'Code=...' – test sequence code.
