Owner's manual

DS21455/DS21458 Quad T1/E1/J1 Transceivers
177 of 270
Figure 25-9. Jitter Tolerance
Figure 25-10. Jitter Attenuation (T1 Mode)
FREQUENCY (Hz)
UNIT INTERVALS (UIpp)
1K
100
10
1
0.1
10 100 1K 10K 100K
DS21458 /455
Tolerance
1
TR 62411 (Dec. 90)
ITU-T G.823
FREQUENCY (Hz)
0dB
-20dB
-40dB
-60dB
1 10 100 1K 10K
JITTER ATTENUATION (dB)
100K
TR 62411 (Dec. 90)
Prohibited Area
C
u
r
v
e
B
C
u
rve
A
DS21458/455
T1 MODE