Juniper Networks G10 CMTS - Manual (Page 21)

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System Overview
System Description
5
Figure 2: Headend Architecture
Fib
U
High-speed
Data
Telephony
Data
Video
Combiner
and
Signal
Router
Audio / Video
Demod
Backbone
Transport
Adapter,
Switch,
LAN, or
Hub
Local
Server
Facility
Remote
Dial-Up
Access
Server
Interactive
Cable
Gateway
Remote
Server
Facility
PSTN
Broadcast Channels:
Satellite, Fiber,
Cable,
Others
Upconverter
Upconverter
Upconverter
ATM
Splitter
Analog
Video
Digital
Video
Other
Combiner
54-750 MHz
5-42 MHz
Backbone
Network
Head End
E/O O/E
Coax Cable
Network
Termination
Demod
Mod
Upconverters
QAM
Data
Operations
System
Support
Security &
Access
Control
CMTS