Indicates the last retrained information performed on the line. Options: 1. none(1) - No record is available 2. cpeL3Trigger(2) - The terminal initiates a low power consumption L3 request 3. lomUsTriggerDra(3) - The upstream noise margin is smaller than the minimum noise margin in rate dynamic adjustment 4. lomDsTriggerDra(4) - The downstream noise margin is smaller than the minimum noise margin in rate dynamic adjustment 5. cpeNeverAnswerOam(5) - No OAM response is received from the CPE all the time 6. cpeNoMoreAnswerOam(6) - No OAM response is received from the CPE 7. persistentNcdUs(7) - Upstream continuous no cell delineation 8. persistentNcdDs(8) - Downstream continuous no cell delineation 9. persistentLcdUs(9) - Upstream continuous loss of cell delineation 10.persistentLcdDs(10) - Downstream continuous loss of cell delineation 11.l2ProblemCoDrop(11) - The CO is faulty during the switching from L0 to L2 12.l2ProblemCpeDrop(12) - The CPE is faulty during the switching from L0 to L2 13.bitswapRefusedUsCoDrop(13) - The CO goes offline when the upstream bit swap fault occurs 10 times consecutively 14.bitswapRefusedUsCpeDrop(14) - The CPE goes offline when the downstream bit swap fault occurs 10 times consecutively 15.channelChangeUsCoDrop(15) - The CO goes offline when the upstream net rate changes 16.channelChangeUsCpeDrop(16) - The CPE goes offline when the upstream net rate changes 17.noiseIncreaseUsCoDrop(17) - The CO goes offline when the upstream noise increases 18.noiseIncreaseUsCpeDrop(18) - The CPE goes offline when the upstream noise increases 19.bitswapRefusedDsCoDrop(19) - The CO goes offline when the downstream bit swap fault occurs 10 times consecutively 20.bitswapRefusedDsCpeDrop(20) - The CPE goes offline when the downstream bit swap fault occurs 10 times consecutively 21.channelChangeDsCoDrop(21) - The CO goes offline when the downstream net rate changes 22.channelChangeDsCpeDrop(22) - The CPE goes offline when the downstream net rate changes 23.noiseIncreaseDsCoDrop(23) - The CO goes offline when the downstream noise increases 24.noiseIncreaseDsCpeDrop(24) - The CPE goes offline when the downstream noise increases 25.lomUsCoDrop(25) - The CO goes offline when the upstream noise margin is smaller than the minimum noise margin 26.lomUsCpeDrop(26) - The CPE goes offline when the upstream noise margin is smaller than the minimum noise margin 27.lomDsCoDrop(27) - The CO goes offline when the downstream noise margin is smaller than the minimum noise margin 28.lomDsCpeDrop(28) - The CPE goes offline when the downstream noise margin is smaller than the minimum noise margin 29.sraProblemUsCoDrop(29) - The CO goes offline when the upstream SRA is faulty 30.sraProblemUsCpeDrop(30) - The CPE goes offline when the upstream SRA is faulty 31.sraFailedUsCoDrop(31) - The CO goes offline when the upstream SRA fails 32.sraFailedUsCpeDrop(32) - The CPE goes offline when the upstream SRA fails 33.sraProblemDsCoDrop(33) - The CO goes offline when the downstream SRA is fault 34.sraProblemDsCpeDrop(34) - The CPE goes offline when the downstream SRA is faulty 35.sraRejectedDsCoDrop(35) - The CO goes offline when the downstream SRA is rejected 36.sraRejectedDsCpeDrop(36) - The CPE goes offline when the downstream SRA is rejected 37.bitswapProblemUsCoDrop(37) - The CO goes offline when the upstream bit swap is faulty 38.bitswapProblemUsCpeDrop(38) - The CPE goes offline when the upstream bit swap is faulty 39.bitswapFailedUsCoDrop(39) - The CO goes offline when the upstream bit swap fails 40.bitswapFailedUsCpeDrop(40) - The CPE goes offline when the upstream bit swap fails 41.bitswapProblemDsCoDrop(41) - The CO goes offline when the downstream bit swap is faulty 42.bitswapProblemDsCpeDrop(42) - The CPE goes offline when the downstream bit swap is faulty 43.bitswapRejectedDsCoDrop(43) - The CO goes offline when the downstream bit swap is rejected 44.bitswapRejectedDsCpeDrop(44) - The CPE goes offline when the downstream bit swap is rejected 45.cpeSwitchedOff(45) - The CPE power supply is shut down 46.cpeLost(46) - The CPE is disconnected 47.coReset(47) - The CO resets the chipset or line 48.coStop(48) - The CO actively deactivate the port 49.unknown(49) - Unknown reason 50.vceTriggered(50) - The VCE initial DSP to drop from showtime