32
Keysight N4917CPCA Optical Receiver Stress Test for CPRI Fronthaul Networks User Guide
3
Concepts and Features of N4917CPCA Software
Table 4
Stressed Receiver Sensitivity Test Specifications
100G
BASE
-LR4
100G
BASE
-ER4
40G
BASE-
LR4
40G
BASE
-ER4
10G
BASE
-LR
10G
BASE
-ER
10G
BASE
-SR
Conditions for Stressed Receiver
Sensitivity Test
Extinction Ratio
4 dB
8 dB
3.5 dB
5.5 dB
3.5 dB
3.0 dB
3.0 dB
Initial Vertical eye closure penalty
(VECP) (SEC for SR4)
1.2
dB
min
2.33
dB
min
1.27
dB min
1.47
dB
min
1.47
dB
min
1.8
dB
min
2.33
dB
min
Vertical eye closure penalty (VECP),
(Stressed eye closure for SR4)
1.8
dB
3.5
dB
1.9
dB
2.2
dB
2.2
dB
2.7
dB
3.5
dB
J2 Jitter
0.3
UI
0.3
UI
0.3
UI
0.3
UI
0.3
UI
0.3
UI
0.3
UI
J9 Jitter
0.47
UI
0.47
UI
0.47
UI
0.47
UI
-
-
-
DDPWS
-
-
-
-
5 ps
5 ps
5 ps
Optical Wavelength Assignments
Spacing
5nm
5nm
20nm
20nm
-
-
-
Lane L0 Nominal Wavelength
1295.56
nm
1295.56
nm
1271
nm
1271
nm
1310
nm
1550
nm
850
nm
Lane L1 Nominal Wavelength
1300.05
nm
1300.05
nm
1291
nm
1291
nm
Lane L2 Nominal Wavelength
1304.58
nm
1304.58
nm
1311
nm
1311
nm
Lane L3 Nominal Wavelength
1309.14
nm
1309.14
nm
1331
nm
1331
nm
Stressed receiver sensitivity, OMA
-6.8
dBm
-17.9
dBm
-9.6
dBm
-16.8
dBm
-10.3
dBm
-11.3
dBm
-7.5
dBm
Aggressor lane OMA
-1.3
dBm
-13.4
dBm
-2.1
dBm
-9.8
dBm
-
-
-
