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Selecting Test Features
Adding Errors & Alarms to the PDH Interface/PDH Payload
Adding Errors & Alarms to the PDH
Interface/PDH Payload
Description Errors and alarms can be added to the PDH payload signal during
testing.
HOW TO: 1 If SONET interface is chosen, set up the SONET transmit interface
and payload required. See “Description” page 6.
If PDH interface is chosen, set up the PDH interface and payload
required. See “Setting PDH Transmit Interface” page 2.
2 Choose the ERROR ADD TYPE and RATE required. 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 when doing error threshold testing.
3 Choose the ALARM TYPE.
Errors and Alarms can be added at the same time.
DS1 & DS3 Alarm Generation (Option 110 instruments)
The following alarms are generated when a PDH Payload is selected on
the Transmitter TEST FUNCTION page for DS1 and DS3 signals.
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