251Access Server Administrators’ Reference Guide 22 • T1/E1 LinkUnavailable Seconds (dsx1FarEndCurrentUASs) ..........................................................................................270Controlled Slip Seconds (dsx1FarEndCurrentCSSs) .....................................................................................270Line Errored Seconds (dsx1FarEndCurrentLESs) ..........................................................................................270Path Code Violations (dsx1FarEndCurrentPCVs) ........................................................................................271Bursty Errored Seconds (dsx1FarEndCurrentBESs) ......................................................................................271Degraded Minutes (dsx1FarEndCurrentDMs) ..............................................................................................271Far End Line Statistics—History .........................................................................................................................271Far End Interval (dsx1FarEndIntervalNumber) ............................................................................................271Errored Seconds (dsx1FarEndIntervalESs) ....................................................................................................271Severely Errored Seconds (dsx1FarEndIntervalSESs) .....................................................................................272Severely Errored Frame Seconds (dsx1FarEndIntervalSEFSs) ........................................................................272Unavailable Seconds (dsx1FarEndIntervalUASs) ...........................................................................................272Controlled Slip Seconds (dsx1FarEndIntervalCSSs) ......................................................................................272Path Code Violations (dsx1FarEndIntervalPCVs) .........................................................................................272Line Errored Seconds (dsx1FarEndIntervalLESs) ..........................................................................................272Bursty Errored Seconds (dsx1FarEndIntervalBESs) .......................................................................................272Degraded Minutes (dsx1FarEndIntervalDMs) ..............................................................................................272Line Code Violations (dsx1FarEndIntervalLCVs) .........................................................................................272Far End Line Statistics—Totals ...........................................................................................................................273Errored Seconds (dsx1FarEndTotalESs) ........................................................................................................273Severely Errored Seconds (dsx1FarEndTotalSESs) ........................................................................................273Severely Errored Frame Seconds (dsx1FarEndTotalSEFSs) ...........................................................................273Unavailable Seconds (dsx1FarEndTotalUASs) ..............................................................................................273Controlled Slip Seconds (dsx1FarEndTotalCSSs) .........................................................................................273Line Errored Seconds (dsx1FarEndTotalLESs) ..............................................................................................273Path Code Violations (dsx1FarEndTotalPCVs) ............................................................................................273Bursty Errored Seconds (dsx1FarEndTotalBESs) ..........................................................................................274Degraded Minutes (dsx1FarEndTotalDMs) ..................................................................................................274Using Non-Facility Associated Signaling (NFAS) .........................................................................................274Configuring NFAS ..................................................................................................................................274