Anritsu MP2110A BERTWave - Page 338

Chapter 7 Performance Test
7-16
9. Connect the 20 dB fixed attenuator and
ED1 Data In
connector
using a coaxial cable. (Refer to (b) in Figure 7.2.2-1.)
10. Click Start at All Measurements.
11. Record the error rate ER for the ED Result after measurement is
complete.
12. Connect the 20 dB fixed attenuator and
Ch A In
connector using
a coaxial cable.
13. Click PPG/ED Ch1. Change Bit Rate to following value.
28200000 kbit/s, 100 ppm
14. Repeat steps 7 and 11.
15. Connect coaxial terminators to the
PPG1 Data Out
and
ED1
Data In
connectors. (Refer to (a) in Figure 7.2.2-2.)
16. Attach the 20 dB fixed attenuator to the
PPG1
Data
Out
connector.
17. Connect the 20 dB fixed attenuator and
Ch A In
connector using
a coaxial cable.
18. Repeat steps 7 and 8.
19. Connect the 20 dB fixed attenuator and
ED1
Data
In
connector
using a coaxial cable. (Refer to (b) in Figure 7.2.2-2.)
20. Click PPG/ED Ch1.
21. Set Data Input Condition to Single-Ended XData.
22. Repeat steps 10 to 11.
23. Click PPG/ED Ch1. Change Bit Rate to following value.
When MP2110A-093 is not installed: 24300000 kbit/s, –100 ppm
When MP2110A-093 is installed: 9500000 kbit/s, –100 ppm
24. Connect the 20 dB fixed attenuator and
Ch A In
connector using
a coaxial cable.
25. Repeat steps 7 and 8.
26. Connect the 20 dB fixed attenuator and
ED1
Data
In
connector
using a coaxial cable. (Refer to (b) in Figure 7.2.2-2.)
27. Repeat steps 10 and 11.
For ED2 to ED4, perform tests in the same way. For ED3 and ED4 test,
change the Clock Output in step 4 to the following value.
Item Setting Value
Clock Output Ch3/4