Anritsu MP2110A BERTWave - Page 44

Chapter 1 Outline
1-18
The receiver sensitivity which is one of the performances in the optical
transceiver is calculated by measuring the bit error rate and optical
power.
The following figure shows a connection example between the DUT and
the measuring instruments when the DUT is the CFP4 module.
Figure 1.4-2 Connection Example of Receiver Sensitivity Measurement
Optical Power
Meter
Programmable
Optical
Attenuator
Optical Fiber
Optical
Coupler or
Optical Switch
TX1 to TX4
Data and
RX1 to RX4
Data and
DUT
Reference
Clock