Versafec-2 Acm Latency - Comtech EF Data CDM-425 Installation And Operation Manual

K.7.1

VersaFEC-2 ACM Latency

Section M.6.1 addresses latency in VersaFEC ACM mode. The analysis for VersaFEC-2 is
proceeds identically. The following table shows a summary for both VersaFEC-2 Long and Short
Block modes:
VersaFEC-2 Short Block
VersaFEC-2 Long Block
As explained in Section K.6.1, these figures do not include the WAN buffer latency (where used).
Appendix K
Table K-5. VersaFEC-2 End-to-End Latency @ 100 ksps
Min Throughput @
100 ksps
48.9 kbps
48.9 kbps
CDM-425 Advanced Satellite Modem
Max Throughput @
100 ksps
415.3 kbps
439.7 kbps
K–20
Revision 0
End-to-end Latency
40.4 ms
205 ms
MN-CDM-425