H3C S12508交换机有如下告警，请问是什么故障，

display version 

 H3C Comware Platform Software Comware Software, Version 5.20, Release 1825P01 Copyright (c) 2004-2013 Hangzhou H3C Tech. Co., Ltd. All rights reserved. H3C S12508 uptime is 500 weeks, 3 days, 14 hours, 34 minutes Last reboot reason : Power on LST1MRPNC1 1/0: uptime is 500 weeks, 3 days, 14 hours, 34 minutes Last reboot reason : Power on 1024 Mbytes SDRAM 1024 Kbytes NVRAM Memory Type : LST1MRPNC1 BootRom : 1.22 Software : S12500-CMW520-R1825P01 Patch : NONE PCB : Ver.B Board Cpu: Number of Cpld: 2 

display device 

 Slot No. Brd Type Brd Status Software Version 1/0 LST1MRPNC1 Master S12500-CMW520-R1825P01 1/1 NONE Absent NONE 1/2 NONE Absent NONE 1/3 NONE Absent NONE 1/4 LST1XP32REB1 Normal S12500-CMW520-R1825P01 1/5 NONE Absent NONE 1/6 NONE Absent NONE 1/7 LST1GP48LEB1 Normal S12500-CMW520-R1825P01 1/8 NONE Absent NONE 1/9 NONE Absent NONE 1/10 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/11 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/12 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/13 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/14 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/15 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/16 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/17 LST1SF08B1 Normal S12500-CMW520-R1825P01 1/18 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/0 LST1MRPNC1 Slave S12500-CMW520-R1825P01 2/1 NONE Absent NONE 2/2 NONE Absent NONE 2/3 NONE Absent NONE 2/4 LST2XP32REB1 Normal S12500-CMW520-R1825P01 2/5 NONE Absent NONE 2/6 NONE Absent NONE 2/7 LST1GP48LEB1 Normal S12500-CMW520-R1825P01 2/8 NONE Absent NONE 2/9 NONE Absent NONE 2/10 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/11 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/12 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/13 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/14 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/15 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/16 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/17 LST1SF08B1 Normal S12500-CMW520-R1825P01 2/18 LST1SF08B1 Normal S12500-CMW520-R1825P01 

现在有下面的日志信息

#Jan 6 09:23:21:135 2023 shujuzhongxin-sw ENTITY/4/ALARM OFF: -Chassis=1-Slot=4; Trap 1.3.6.1.4.1.25506.2.6.2.0.10<hh3cEntityExtSFPAlarmOff>: Entity ID is 59906, error status is 2, admin status is 4, alarm light status is 0 #Jan 6 09:35:36:455 2023 shujuzhongxin-sw ENTITY/4/ALARM ON: -Chassis=1-Slot=4; Trap 1.3.6.1.4.1.25506.2.6.2.0.9<hh3cEntityExtSFPAlarmOn>: Entity ID is 59906, error status is 31, admin status is 4, alarm light status is 0 

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