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FAQ-How to Automatically Cut Off the Power Supplied to the Broadband Service Board When the Batteries Are Used for Power Supply

Publication Date:  2012-07-25 Views:  29 Downloads:  0
Issue Description
Q:
How to automatically cut off the power supplied to the broadband service board when the batteries are used for power supply?
Alarm Information
Null
Handling Process
A:
1. Hardware support is required. That is, the PAIB board with the PMUA daughter board must be used.
2. Run the following commands to perform software configuration. After the function for automatically cutting off the power supply to the broadband service board is enabled, when the batteries are used due to the power outage of the mains supply, the device will automatically cut off the power supply to the broadband service board and the voice service board continues to work normally. This can prolong the power supply duration of the batteries. 
huawei(config-if- h831pmu -1)#broad-service power-off shutdown          Enable the function for automatically cutting off the power supply to the broadband service board.
huawei(config-if- h831pmu -1)#undo broad-service power-off shutdown     Disable the function for automatically cutting off the power supply to the broadband service board
Check the current status of the preceding function.
huawei(config-if-h831pmu-0)#display power system parameter
  EMU ID: 0                             Power system information
-------------------------------------------------------------------- 
  Charge control state: Automatic control                                       
  Equalizing voltage  : 56.50V      Floating voltage      : 53.50V              
  Charge Lmt quotiety : 0.15        Equalizing time       : 60 days             
  Battery number      : 1           Battery 0 capacity    : 12  AH              
  Battery off permit  : Permit      Battery off voltage   : 43.00V              
  DC over alarm volt  : 58 V        DC lack alarm voltage : 45 V                
  Power-cut-close-Broad-service : On                                            
--------------------------------------------------------------------
Root Cause
Null
Suggestions
Null

END