Functional Description
Block Diagram of a Continuum DVP eXtra Dense QAM Array system
The following illustration shows the block diagram of the Continuum DVP XDQA
system.
102 Mbps
RF
Buff
er
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
1 Gbps
System Controller
(GbE interface, CPU,
interconnection)
1 Gbps
102 Mbps
RF
B
u
ffe
r
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
102 Mbps
RF
B
u
ffe
r
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
102 Mbps
RF
Buff
er
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
102 Mbps
RF
Buff
er
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
102 Mbps
RF
Buff
er
Routing
PCR
QAM
Mod
QAM
Mod
Up
converter
10/100BT
The Continuum DVP XDQA system is provided with two Gigabit Ethernet ports,
which receive up to 512 IP-encapsulated MPEG2 Single Program Streams (SPTS)
After de-encapsulating and buffering, the switch engine routes a number of input
program streams to the sixteen QAM modulators and creates the necessary PSI
tables (PAT and PMT).
The Dual QAM Cards buffer, re-stamp and route the signals to one of the two QAM
modulators on the Dual QAM Cards.
4004949 Rev C
Describing the Continuum DVP eXtra Dense QAM Array
1-11
Summary of Contents for Continuum DVP eXtra Dense QAM Array
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