Comtech EF Data CDM-710G Specifikace stáhnout pdf (Strana 169)

CDM-710G High-Speed Satellite Modem Revision 1

Forward Error Correction Options MN-CDM710G

11–9

11.3 End-to-End Processing Delay (Latency)

For DVB-S2 operation with the Gigabit Ethernet and HSSI Data Interfaces, the effects of delay

through the modulator and demodulator are more problematic at low data rates and generally

negligible at higher data rates.

Delay for the Gigabit Ethernet and HSSI interfaces is shown in Figure 11-5 and Figure 11-6 with

the Rx Buffer (HSSI) at

minimum. In packet networks, minimum Rx Buffer is the normal setting.

Expected performance for the G.703 interface is similar to HSSI.

Figure 11-5. CDM-710G Gigabit Ethernet Latency With Modem In IF Loopback

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Comtech EF Data CDM-710G Specifikace Strana 169