SN 号修改方法：

MA5626>enable

MA5626#config

MA5626(config)#diagnose
MA5626(diagnose)%%boarddrv gpon set sn
{ frameid/slotid/portid<S><Length 1-255> }:0/0/1
{ serial-number<S><Length 16-16> }:485754435FAE1010
Command:
          boarddrv gpon set sn 0/0/1 485754435FAE1010
  Success to set subboard sn

MA5626(diagnose)%%save