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SONET_Usr.bk Page 108 Wednesday, December 13, 2000 11:11 AM
Making Measurements
Measuring Optical Power
Measuring Optical Power
Description
Optical power measurement can be performed on theSDH/ SONET signal
connected to the Optical module IN port.
1 Connect the SDH/SONET optical signal to the IN port of the Optical Interface
HOW TO:
2 Choose the received input signal rate on the
3 Select
NOT E
1. Optical power measurement is always available even if test timing is off.
2. The green portion of the colored bar shows the power range for accurate BER
measurement.
108
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module.
display.
,
SONET
RESULTS
SONET
RECEIVE
or
,
SDH
OPTICAL POWER
or
SDH
as shown above.
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