Hpe5022_Ber_Channelquality_Q - Agilent Technologies E5022B Programming Manual

hpe5022_BER_channelQuality_Q

C Syntax ViStatus hpe5022_BER_channelQuality_Q (ViSession id, ViPReal64 cha_qual,
ViPInt32 err_count, ViPInt32 totalSector, ViPInt32 lostSector);
Visual Basic hpe5022_BER_channelQuality_Q(ByVal id As Long, ByRef chan_qual As
Syntax Double, ByRef err_count As Long, ByRef totalSector As Long, ByRef lostSector
As Long) As Long
Description This function returns the channel quality measurement result.
Parameters • id
Description
Direction
• chan_qual
Description
Direction
• err_count
Description
Direction
• totalSector
Description
Direction
• lostSector
Description
Direction
Return Values
Completion Code
VI_SUCCESS
Chapter 3
Channel Quality Measurement Function
Specifies the system identifier. This is given by the
"hpe5022_init" function.
IN
Returns the measured channel quality.
OUT
Returns the number of error symbols. The Agilent
E5022/E5023 compares the bit stream by byte and counts the
byte where an error has occurred. The error count represents
the number of error bytes.
OUT
Returns the number of total sectors. The number of total
sector includes the number of lost sector. The returned value
will be the same as the number of sectors specified by
"hpe5022_BER_trackFormat" function if the measurement
done properly.
OUT
Returns the number of lost sectors. The lost sector means a
sector where a synchronized pattern is not found.
OUT
Description
No Error
Function Reference
215