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Making Measurements
Measuring Jitter Transfer
HOW TO:
Perform Jitter Transfer Calibration
N O T E
If a PDH/DSn interface is selected the CALIBRATION should always be carried out
with LEVEL
1 If PDH Jitter Transfer is required, set up the PDH transmit and receive interfaces,
the receive jitter interface and connect PDH IN to PDH OUT. See "Setting PDH/
DSn Transmit Interface (option 012)" page 26, "Setting PDH/DSn Receive
Interface (Option 012)" page 47 and "Setting Jitter Receive Interface" page 50.
2 If you are performing jitter transfer on an SDH Optical signal, check on the
optical power level falls within the white portion of the coloured bar
the accuracy of the Jitter results.
3 If STM-0, STM-1, STM-4 or STM-16 Optical Jitter Transfer is required, set up
the SDH transmit and receive interfaces, the receive jitter interface and connect
the OUT port of the Optical module to the IN port of the Optical module. See
"Setting SDH Transmit Interface" page 29, "Setting SDH Receive Interface"
page 49 and "Setting Jitter Receive Interface" page 50.
CA UTI O N
If STM-0/1/4/16 SDH Jitter Transfer is required, a 15 dB attenuator must be
connected between the IN and OUT ports of the Optical module.
144
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selected on the
TERMINATE
SDH RESULTS
RESULTS
MAIN SETTINGS
RECEIVE
display that the measured
OPTICAL POWER
display.
This ensures
.
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