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Cable Head-end (Signal Lab)
MPEG
Stream
MPEG-2
Spooler
Stream
Multiplexer
PSIP
Server
Ethernet
PC
QAM/IP STB Operational Concept
[64/256 QAM Channel]
♦ For the A/V Channel Tuning test, the existing QAM signal set up at the AV Business Dept.
will be used.
♦ Verify A/V output and channel change with basic channel tuning.
[OOB Channel]
♦ Produce random signals from the OOB Modulator and verify Tuning status.
[MoCA Channel]
♦ Verify MoCA Network communication with Ethernet connection between the PC and ECB.
[CableCARD]
♦ Verify CableCARD Operation.
[Home Networking]
♦ Verify connectivity between STBs (Server/Client).
♦ Verify Media Interoperability and Network Connectivity.
Operational Concept
Up-
Digital
converter
Modulator
OOB
Modulator
c.Link
ECB
(In-band)
AV Channel
PSIP Table
Combine
OOB SI Table
/Splitter
6/12
LGE Native UI App
LG STB API
Broadcom STB API
CableCARD
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