Making Measurements

Measuring Round Trip Delay

4Choose ACTION ON to start the measurement.

If measuring on an SONET interface, the results are available on the

RESULTS DSn PAYLOAD display.

If measuring on a DSn interface, the results are available on the

RESULTS DSn display.

The Round Trip delay measurement range is up to 2 seconds. The resolution varies with the received interface signal rate:

2 Mb/s

1 microsecond

34 Mb/s

110 microseconds

STS-1,STS-3

0.5 milliseconds

OC-12, OC-48

0.5 milliseconds

75