Comtech EF Data CDD-880 Manual do Utilizador descarregar pdf (Página 6)

High-Speed DVB-S2 Shared Outbound

• CDM-800 (Hub) to CDM-840 (Remote)

• U

p

to 160 Mb

p

s / 62 Ms

p

s

40%

60%

pp

p

• Automatic Coding and Modulation (ACM)

• Variable Coding & Modulation (VCM)

•

Constant Coding & Modulation (CCM)

40%

–

60%

More

Efficient

Outbound

•

Constant

Coding

&

Modulation

(CCM)

• Normal Frame, Short Frame

• Low overhead Enhanced Generic Stream

Elti

Outbound

E

ncapsu

l

a

ti

on

• Advanced Quality of Service (QoS)

– Group QoS

 DiffServ

 Rule-based – CIR/MIR, Priority/MIR

• Header compression

• 2

nd

generation lossless payload compression

6Comtech EF Data Proprietary &

Confidential

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