Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 533
PSB failure Cnt Displays a count of Protection Switch Byte
(PSB) failure conditions. This condition
occurs when either an inconsistent APS byte
or an invalid code is detected.
FEPL failure Cnt Displays a count of far-end protection-line
(FEPL) failure conditions. This condition is
declared based on receiving SF on the
protection line in the K1 byte.
No. of Switchovers Displays the number of times a switchover
has occurred
Last Switchover Displays the timestamp of the last switchover
Switchover seconds Displays the cumulative Protection Switching
Duration (PSD) time in seconds
For a working channel, this is the cumulative
number of seconds that service was carried
on the protection line
For the protection line, this is the cumulative
number of seconds that the protection line
has been used to carry any working channel
traffic. This information is only valid if
revertive switching is enabled.
Signal Degrade Cnt Displays the number of times the signal was
degraded
Signal Failure Cnt Displays the number of times the signal failed
Last Switch Cmd Reports the last switch command that was
performed on a circuit
Last Exercise Result Displays the result of the last exercise
request on a circuit
Advertise Interval Displays the advertise interval
Hold time Displays the hold time
Table 31 Show APS Output Fields (Continued)
Label Description
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