HP OMNIBER 718 HP 37718A - Manual (Page 60)

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Selecting Test Features
Adding Errors & Alarms to the DSn Interface/DSn Payload
Adding Errors & Alarms to the DSn Interface/
DSn Payload
Description Errors and alarms can be added to the DSn interface/payload signal
during testing.
HOW TO: 1 If SONET interface is chosen, set up the SONET transmit interface
and payload required. See “Setting SONET Transmit Interface”
page 4.
If DSn interface is chosen, set up the DSn interface and payload
required. See “Setting DSn Transmit Interface” page 2.
2 Choose the ERROR ADD TYPE and RATE on the Transmitter
display.
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.
TEST FUNCTION