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N4EGS4 reports BD_AT_LOWPOWER due to logic baord confiured after installation

Publication Date:  2012-07-25 Views:  116 Downloads:  0
Issue Description
One day, customer reported that there is BD_AT_LOWPOWER on a EGS4 board of OSN 7500. The host version is V1R8C02SPC200. The alarm is as follows.
  190651      24    BD_AT_LOWPOWER                    MJ          end         2011-03-07 20:40:18  2011-03-08 02:39:48  0x05   0xff   0xff   0xff   0xff   
Alarm Information
BD_AT_LOWPOWER
Handling Process
1.According the parameter of BD_AT_LOWPOWER, check 5-EGS4, find the physical board is N4EGS4, but logic board is N3EGS4.
2.Confirm with customer, logic board is configured after installation.
3.Soft rest 5-EGS4, BD_AT_LOWPOWER disappears.
Root Cause
The first parameter of BD_AT_LOWPOWER indicates the board slot which works in low power mode. 
For N4EGS4, if logic board is configured as N4EGS4, it doesn't support high power mode, if it's configured as N3EGS4, it support high power mode. The board enable or disable high power mode when board startup only. Customer 
inserted the N4EGS4 first, then configured the logic board as N3EGS4, so high power mode was not enalbed, BD_AT_LOWPOWER appeared. Soft reset the board can solve the problem.
Suggestions
Null

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