User Manual

MDR2400 and MDR5800 User Manual
862-01881 Issue 8 Page 60
6.7.3 RF Link Error Monitor
The Link Error Monitor screen provides the user with detailed Packet Error Rate
(PER), G.826 and link availability monitoring for the RF link. There is a status field,
Total Seconds, which applies to the link. Total Seconds is the total number of
seconds since the counts were last cleared. It is used to determine available and
unavailable seconds on a link.
6.7.3.1 General
• Errored Blocks Counter - containing the number of blocks containing errors
accumulated until cleared.
• Errored Seconds Counter - containing the number of seconds containing
errored blocks since the counters were last cleared.
• 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