S7503E+板卡LSQM1GP24TSC0光口灯闪烁问题

交换机型号S7503E，板卡LSQM1GP24TSC0（位于3槽），其中3到10口插上光纤后，这几个光口闪烁频率一致，大概0.5S闪一次，就像故障灯闪烁频率那样。不像平时的快速闪烁

开始以为是业务量小，但业务运行后还是如此。

端口状态正常UP，将所有端口都shutdown后只剩一个口依旧如此（排除环路），光模块标签是H3C的。

连上S5560上则闪烁频率快，没有出现此问题。

其次网段可通。

究竟是什么原因？

H3C Comware Platform Software
Comware Software, Version 5.20, Release 6708P03
Copyright (c) 2004-2013 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
H3C S7503E uptime is 0 week, 0 day, 0 hour, 3 minutes

MPU(M) 0:
Uptime is 0 weeks,0 days,0 hours,3 minutes
H3C S7503E MPU(M) with 1 BCM1125H Processor
BOARD TYPE:         LSQ1SRP1CB
DRAM:               512M bytes
FLASH:              64M bytes
NVRAM:              512K bytes
PCB 1 Version:      VER.B
PCB 2 Version:      VER.B
Bootrom Version:    500
CPLD 1 Version:     007
CPLD 2 Version:     007
Release Version:    H3C S7503E-6708P03
Patch Version  :    None

Slot 1 Without Board

LPU 2:
Uptime is 0 weeks,0 days,0 hours,1 minutes
H3C S7503E LPU with 1 BCM1122 Processor
BOARD TYPE:         LSQ1TGX2SC
DRAM:               512M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.C
PCB 2 Version:      VER.B
Bootware Version:   306
CPLD 1 Version:     003
CPLD 2 Version:     004
Release Version:    H3C S7503E-6708P03
Patch Version  :    None

LPU 3:
Uptime is 0 weeks,0 days,0 hours,2 minutes
H3C S7503E LPU with 1 BCM1122 Processor
BOARD TYPE:         LSQ1GP24TSC
DRAM:               512M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.A
Bootware Version:   306
CPLD 1 Version:     002
CPLD 2 Version:     002
Release Version:    H3C S7503E-6708P03
Patch Version  :    None

Slot 4 Without Board
[ReNongZhu-S7503E]dis devi
[ReNongZhu-S7503E]dis device
Slot No. Brd Type         Brd Status   Subslot Num  Sft Ver           Patch Ver
 0       LSQ1SRP1CB       Master       0            S7500E-6708P03    None
 1       NONE             Absent       0            NONE              None
 2       LSQ1TGX2SC       Normal       0            S7500E-6708P03    None
 3       LSQ1GP24TSC      Normal       0            S7500E-6708P03    None
 4       NONE             Absent       0