Port operation status. Options: 1.normal(1) -indicates that the link is up or activated 2.fault(2) -indicates that port failure 3.localLoopback(3) -indicates that normal local loopback 4.forbidden(4) -indicates that the port is disabled 5.test(5) -indicates test start 6.remoteLoopback(6) -indicates normal remote loopback 7.activated(10) -indicates that the port is being activated 8.deactivated(11) -indicates that the link is down or deactivated 9.block(12) -indicates port blocking 10.nolight(13) -indicates no signal in ATM port 11.innerLocalLoopback(14) -indicates that inner local loopback toward inner system chipset (it's UTOPIA loopback for ADSL port) 12.innerRemoteLoopback(15)-indicates that inner remote loopback toward inner system chipset 13.locked(16) -indicates locked 14.busy(17) -indicates busy 15.maintain(18) -indicates maintenance 16.standbynormal(19) -indicates that the port on the standby control board is activated 17.standbyfault(20) -indicates that the port on the standby control board is faulty 18.adslloopbackafe(21) -indicates that AFE loopback 19.adslloopbackhybrid(22) -indicates that HYBRID loopback 20.rtuLocalLoopback(23) -indicates that RTU local loopback 21.rtuRemoteLoopback(24) -indicates that RTU remote loopback 22.linkup(25) -indicates eth port online 23.linkdown(26) -indicates eth port offline 24.powerDenied(50) -indicates port operation state is power denied