Alarms/Errors/Alarms/Errors/
OthersOthers
Select the port to insert errors, and the stimuli type. The settings items vary
depending on the selected stimulus type.
PDH Alarm/ErrorsPDH Alarm/Errors: Inserts errors or alarms related the PDH multi frame or
the pattern error.
PDH frequencyPDH frequency: Adds the frequency offset to the PDH bit rate.
55..33..44..11 PDH Alarms/ErrorsPDH Alarms/Errors
1. Select Error insertionError insertion or AlarmAlarm using the drop down menu.
Alarm will be inserted continuously.
No errorNo error: Turns off inserting Alarms or Errors.
ManualManual: Inserts errors in the specified counts if you touch the Error
Insert icon.
Burst*1E-03Burst*1E-03 to Burst*1E-07Burst*1E-07: Inserts errors of burst length in the
specified rate continuously. For example, Error burst lengthError burst length is set to 5
and Burst*1E-06Burst*1E-06 is selected, the errors will be inserted in five straight
frames per one million frames. The Error Insert icon shows only status.
ESES: Inserts one or more errors in one second (Errored Second). Insert
icon shows only status.
SESSES: Inserts 30% or less errors in one second (Severely Errored
Second). The Error Insert icon shows only status.
2. Select the Error destinationError destination.
3. Touch the Error burst lengthError burst length field to set the errors insertion counts.
55..33..44..22 PDH frequencyPDH frequency
PDH frequency is available when without SDH layer or SONET layer. Touch
the field to set Frequency OffsetFrequency Offset. If setting a positive value, the frequency will
shift higher side.
Example:
If setting 20 ppm to the frequency offset for E1 output signal, the bit rate of
output signal will be
2 048 * (1+20*10
-6
) = 2 048.041 (kbit/s).
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