User Manual

MDR5800 User Manual
862-01881 Issue 6 Page 60
• Severely Errored Seconds Counter - a counter containing the number of
seconds containing more than 30% errored blocks since the counters were last
cleared.
• Background Block Errors Counter - a counter containing the number of
blocks received in error excluding those contributing to severely errored
seconds since the counters were last cleared.
• Error Second Ratio – a ratio of the number of Errored seconds to the total
number of seconds since the counters were last reset.
• Severely Error Second Ratio – a ratio of the number of Severely Errored
seconds to the total number of seconds since the counters were last reset.
• Background Block Error Ratio – a ratio of the number of Background Blocks
in errors to the total number of blocks received since the counters were last
reset.
• Corrected Symbols field shows the number of symbols that have been
corrected by the FEC device within the Indoor Unit.
6.7.3.2 Packet Error Rate
• Instantaneous Ratio - This is the number of errored blocks as determined by
the FEC on the RF Link, divided by the total number of blocks per second for
that link. If the instantaneous PER exceeds the minor or major PER
thresholds, a fault is triggered and a RF Link error is indicated on the Indoor
Unit Front Panel.
• Maximised Ratio - The highest Packet error rate reached since the errors were
last cleared.
6.7.3.3 Link Availability
• Available Seconds – the number of seconds the link has been available since
counts were last cleared.
• Unavailable Seconds – the number of seconds the link has been unavailable
since counts were last cleared.