OLP-5, OLP-6, OLP-8 4-3
4.2 Connection configuration
How you configure the connection between the
OLP and device under test (DUT) depends on the
measurement at hand. With optical power
measurements, there are two basic tasks:
• System power level measurement
• Attenuation measurement
4.2.1 System power level
measurement
In system power level measurements, the
absolute power level is measured in dBm.
System levels can be measured at the transmitter
output Tx or before the receiver input Rx, for
example.
Fig. 4-2 System power level measurement
Trans-
ceiver
Rx
Tx
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