Appendix A ’Technical Specifications’ — Signal Processing
208 Amethyst III DTV Smart Switch
User Manual
Switches Association
Table A-14. Delay compensation specifications for IP
Time delay 10 seconds max
Synchronization
method
DVB-T SFN pattern: realignment of packets originating
from two Transport Streams based on user-defined PID
(for instance MIP)
Network: detection of identical footprint on both
incoming Transport Streams starting on user-defined
PID (for instance PAT)
Synchronization
window
± 500 ms
Limitations Check configuration with the associated time delay
document, available on the CD-ROM
IP delay compensation is not possible for sessions with
a variable number of packets per datagram
Table A-15. Switches associations specifications
Capability
2 to 4 ASI switches
2 to 8 IP switches
1 switch can only be part of 1 association
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