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Appendix A
Specifications
Jitter and Wander specifications
T-BERD/MTS/SC Getting Started Guide
Page 232
22046537, Rev. 016
March 2018
Standards
Optical jitter and wander are generated and analyzed in accordance with the following
standards:
•
ITU-T Recommendations G.825, G.8251, O.172 (04/2005) and O.173 (03/2003)
•
Telcordia GR-253-CORE Issue 4-2005
•
ANSI Standards T1.101, T1.105.03
Jitter generator
The jitter generator meets or exceeds the requirements of
ITU-T Recommendation
O.172 (04/2005) and O.173 (03/2003).
Internal modulation source
provides modulation specifications for the optical jitter generator.
The settling time for the changes in amplitude is less than two seconds.
Error limits
Error limits conform to the requirements of
ITU-T Recommendations O.172 (04/2005)
and O.173 (03/2003)
.
Intrinsic jitter
The maximum output jitter of the intrinsic jitter for a jitter amplitude setting of 0 UI is
<
0.04 UIpp. Wideband is assumed.
Jitter analyzer
Meets or exceeds the requirements of I
TU-T Recommendation O.172 (04/2005) and
O.173 (03/2003)
.
Table 153
Modulation specifications
Item
Optical
Jitter modulation signal
Sine wave
Jitter amplitude
up to 800 UIpp
Step size
0.001 UI
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