HP 37718A Installation And Verification Manual page 145

Performance Tests
SDH Transmit/Receive Jitter Amplitude Accuracy
7 Select
RESULTS
Control is set for I Sec Manual)
Set to Multiple Window to allow observation of TX/RX Jitter and Results pages.
8 Press RUN.
Check that there are no SDH result errors and that the Received Jitter results are:
< 0.050 UI p-p
9 Press STOP to halt measurement. Change Receiver Filter to LP+HP1. Press
RUN and check that the Received Jitter results are:
< 0.050 UI p-p
Press STOP to halt measurement.
10 Select
OTHER display and
CALIBRATION and set up
PATTERN to ALT as shown
opposite.
Note to access CALIBRATION
pages you must enter code 1243
to gain access.
Note: Do not select or run any other
Calibration Items.
and set for SDH Jitter, Short Term. ( Ensure the Timing
3-105