Figure 2: Headend Architecture - Juniper G10 CMTS Hardware Manual

Figure 2: Headend Architecture

Upconverter
Broadcast Channels:
Satellite, Fiber,
Upconverter
Cable,
Others
Upconverter
Remote
Dial-Up
PSTN
Access
Server
Backbone
Transport
Backbone Adapter,
Network Switch,
LAN, or
Hub
Local
Remote
Server
Server
Facility
Facility
Interactive
ATM Cable
Gateway
Video
Data
Telephony
Head End
Analog
Video
Digital
Combiner
Video
54-750 MHz
Other
QAM
Data
Operations
System
Support
Upconverters
Splitter
Security &
Access
Control
Mod
Network
Termination
Demod
CMTS
Combiner
and
Signal
Router
Audio / Video
Demod
High-speed
Data
System Description
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E/O O/E
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5-42 MHz
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Fib
U
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Coax Cable
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System Overview 5