olt交换机上一直提示这些，是什么原因？是接分光器接错了吗？

IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol state oon the interface olt1/3/0/3 changed to up. The intere

IFNET/4/IF_LOCAL_FAULT_RESUME: -MDC=1-Chassiss=1-Slot=3; A local fault_alarm recovers on oTt1/3/0/4.

IFNET/4/IF_LOCAL_FAULT_RESUME: -MDC=1-Chassiss=1-Slot=3;_A_local fault alarm recovers on oIt1/3/0/3.

IFNET/3/PHY_UPDOWN: -MDC=1; Physical sttate on the interface olt2/3/0/10 changjed to down.

IFNET/4/IF_LOCAL_FAULT: -MDC=1-Chassis=2-Slot=32A local fault alarm occurs on olt2/3/0/10.

IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol

state on the interface olt2/3/0/10 changed to down.

IFNET/3/PHY_UPDOWN: -MDC=1; Physical state oni the interface olt1/3/0/10 changed to up.

IFNET/5/LINK_UPDOWN: -MDC=1; Line proteloco1

state on the interface olt1/3/0/10 changed to up.

IFNET/3/PHY_UPDOWN: -MDC=1; Physical state oni the interface olt2/3/0/12 changed to down.

IFNET/4/IF_LOCAL_FAULT: -MDC=1-Chassis=2-Slot=3;A local fault alarm occurs on olt2/3/0/12.

IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol

state on the interface Olt2/3/0/12 changed to down.

IFNET/3/PHY_UPDOWN: -MDC=1; Physical sttate

on the interface olt1/3/0/12 changed to up.

IFNET/5/LINK_UPDOWN: -MDC=1; Line protoocol

state on the interface olt1/3/0/12 changed toup.

fault alarm recovers on Olt1/3/0/10.

IFNET/4/IF_LOCAL_FAULT_RESUME: -MDC=1-Chassiss=1-slot=3;_A_local

IFNET/4/IF_LOCAL_FAULT_RESUME: -MDC=1-Chassis=1-510t=3;_A local fault alarm recovers on olt1/3/0/12.

on the interface olt2/3/0/11 changed to dowm

IFNET/3/PHY_UPDOWN: -MDC=1: Physical sttate

IFNET/4/IF_LOCAL_FAULT: -MDC=1-Chassis=2-ST

lot=3; A local fault alarm occurs on olt2/3/0/11.

state on the interface Olt2/3/0/11 changed to down.

IFNET/5/LINK_UPDOWN: -MDC=1; Line proteocol

IFNET/3/PHY_UPDOWN: -MDC=1; Physical state

on the interface olt1/3/0/11 changed toup.

IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol

state on the interface olt1/3/0/11 changed toup.

IFNET/4/IF_LOCAL_FAULT_RESUME:_MDC=1-chassis=1-510t=3;_Alocal fault alarm recovers on olti/3/0/11.

IFNET/4/IF_LOCAL_FAULT: -MDC=1-Chassis==2-slot=3; A_local fault alarm occurs on olt2/3/0/7

IFNET/3/PHY_UPDOWN: -MDC=1; Physical sitate

on the interface olt2/3/0/7 changed todown.

state on the interface olt2/3/0/7 changed todown.

IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol

IFNET/3/PHY_UPDOWN:

-MDC=1; Physical state

on the interface olt1/3/0/7 changed to up.

IFNET/5/LINK_UPDOWN: -MDC=1; Line proteloco1

state on the interface olt1/3/0/7 chaniged to up

IFNET/4/IF_LOCAL_FAULT_RESUME: -MDC=1-Chassis=1-Slot=3: A_local fault alarm recovers on olt1/3/0/7.