'Summary Period' DS1 Over DS3 Port Statistics

There are eight 'Summary Period' DS1 Over DS3 Port Statistics objects, which each display statistics collected over a different time interval. Note that the summary periods are preconfigured; you cannot change the summary periods or create new 'Summary Period' DS1 Over DS3 Port Statistics objects. All the 'Summary Period' DS1 Over DS3 Port Statistics objects have the same fields. All the fields are read only and there are no management actions associated with these objects. However, you can reset all the fields of the 'Summary Period' DS1 Over DS3 Port Statistics objects by clicking on the 'Reset statistics' pushbutton displayed in the DS1 Over DS3 Port object.


Parameter

Type of statistic

Description
Number of Loss of Signal errors Counter Number of Loss of Signal errors that occurred during the summary period.
Number of Loss of Frame errors Counter Number of Loss of Frame errors that occurred during the summary period.
Number of Alarm Indication Sent errors Counter Number of Alarm Indication Sent errors that occurred during the summary period.
Number of Remote Alarm Indication errors Counter Number of Remote Alarm Indication errors that occurred during the summary period.
Number of Errored Seconds Counter The fields Number of Errored Seconds - Number of Slips apply only for a port below a PB4000 adaptor card, and will be zero for ports below other cards. Number of Errored Seconds that occurred during the summary period. An Errored Second is an elapsed second in which one or more defects (LOS, LOF, AIS, RAI) and/or one or more bit errors occurred.
Number of Severely Errored Seconds Counter Number of Severely Errored Seconds that occurred during the summary period. A Severely Errored Second is an elapsed second in which one or more defects (LOS, LOF, AIS, RAI) and/or a bit error rate above 1 x 10^-3 occurred. A Severely Errored Second also counts as an Errored Second.
Number of Background Block Errors Counter Number of Background Block Errors (the total number of framing errors and bit errors) that occurred during the summary period.
Number of Unavailable Seconds Counter Number of Unavailable Seconds that occurred during the summary period. This is the total number of seconds for which the interface was unavailable because it had been taken out of service following 5 or more consecutive Severely Errored Seconds.
Number of Available Seconds Counter Number of Available Seconds that occurred during the summary period. This is the total number of seconds for which the interface was available for use.
Number of Slips Counter Number of Slips that occurred during the summary period. This is the number of times that the framer had to insert or remove a frame to deal with a clock synchronization problem.
Number of DS0 channels available Gauge Number of DS0 channels currently available on this port.
Number of DS0 channels in use Gauge Number of DS0 channels currently in use on this port.
Number of terminations linked to a call Gauge Number of terminations currently linked to a call on this port. This number includes terminations linked to an inactive call if the second termination has not yet been added to the call.
Number of terminations reserved for use Gauge Number of terminations currently reserved for use on this port. This includes terminations in a call.
Count of failure notifications for terminations Counter Number of failure notifications for terminations on this port during this summary period. Note that if the whole port fails, this count is not incremented.