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6.4 Setting Measurement Conditions
6-23
6
Measuring Bit Error
When SYNC Loss is displayed in red
Pattern synchronization has not been obtained; check the following:
The Test Pattern generated by the DUT matches the Test Pattern for
the error detector.
The Logic POS and NEG settings are correct.
A suitable threshold voltage has been set for the signal input to the
Data In connector and the Data In connector.
Figure 6.4-2 Examples of Improper Thresholds
Threshold
Threshold is not between level
0 and 1
Excessive noise close to
threshold level
Threshold
Threshold
Summary of Contents for BERTWave MP2100B
Page 24: ...xxiv...
Page 96: ...Chapter 2 Before Use 2 42...
Page 112: ...Chapter 3 Connecting with DUT 3 16...
Page 250: ...Chapter 7 Measuring Waveform 7 64 Figure 7 12 1 Marker Display...
Page 262: ...Chapter 7 Measuring Waveform 7 76...
Page 276: ...Chapter 8 Operating Optical Interface 8 14...
Page 304: ...Chapter 9 Performance Test 9 28...
Page 320: ...Chapter 10 Maintenance 10 16...
Page 374: ...Appendix E Performance Test Record Form E 10...
Page 382: ...Index Index 6...