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Selecting Test Features
Adding Errors & Alarms to a PDH signal
Adding Errors & Alarms to a PDH signal
Description
Errors and alarms can be added to a PDH signal during testing.
Option 012 is
required for PDH
operation.
HOW TO:
1 If SDH interface is chosen, set up the SDH transmit interface and payload
required. See "Setting SDH Transmit Interface" page 29.
If PDH interface is chosen, set up the PDH interface and payload required. See
"Setting PDH/DSn Transmit Interface (option 012)" page 26.
2 Choose the ERROR ADD TYPE and RATE on the Transmitter
The RATE can be selected from a fixed value or is user programmable. If you
select USER PROGRAM you can select the error rate before enabling the errors.
This feature is useful for error threshold testing.
3 Choose the ALARM TYPE.
Errors and Alarms can be added at the same time.
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TEST FUNCTION
83
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