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Selecting Test Features
Adding Pointer Adjustments
Adding Pointer Adjustments
Description The transmitted SPE or VT pointer value can be adjusted for testing
purposes.
HOW TO: 1 Set up the SONET transmit interface and payload required. See
"Setting SONET Transmit Interface " page 4.
2 Choose the POINTER TYPE.
3 Choose the ADJUSTMENT TYPE required.
BURST - You determine the size of the burst by the number of
PLACES chosen. If, for example, you choose 5 PLACES the pointer
value will be stepped 5 times in unit steps e.g. 0 (start value), 1, 2, 3,
4, 5 (final value). The interval between steps is as follows:
For AU and TU-3, the minimum spacing between adjustments is
500 us. For VT the minimum spacing between adjustments is 2 ms.
Choose ADJUST POINTER [ON] to add the chosen burst.
NEW POINTER - You can choose a pointer value in the range 0 to 782
with or without a New Data Flag.
The current pointer value is displayed for information purposes.
Choose ADJUST POINTER [ON] to transmit the new pointer value.
