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FAQ-How to Determine Whether the Clock of the PW Service of the MA5635 Is Locked

Publication Date:  2012-07-25 Views:  100 Downloads:  0
Issue Description
Q:
How to determine whether the clock of the PW service of the MA5635 is locked?
Alarm Information
Null
Handling Process
A:
The MA5635 has strict requirements for the clock when the DDN and little smart services are configured. In deployment and maintenance, you can determine whether the clock is locked by performing the following operations:
1. Enable the transparent channel of the COPA board.
MA5635(su)%%transparent on 0/4 
2. Check whether the clock is locked.
MA5635(su)%%dsp show pll                                            
  Running Time After locked : 65535(s)                                
  DSP PLL State     : locked                                                    
  FIFO 3 Mode      : Acquired                                                   
  FIFO 4 Mode      : Unknown                                                    
  FIFO 5 Mode      : Unknown                                                    
 FIFO 3 Waterline : 0x00007ffb                                                  
 FIFO 4 Waterline : 0x00007fed                                                  
 FIFO 5 Waterline : 0x0000dda9                                                  
 Output Frequency : -21 ppb      
Note: In the preceding display, DSP PLL State indicates the clock state. If the time in the first line of the display exceeds 1400s and the clock is not clocked yet, it indicates that the board may be faulty or a severe packet loss occurs in the network.
3. Disable the transparent channel.
FM_JIUcheng_MA5635(su)%%transparent off 
Root Cause
Null
Suggestions
Null

END