Juniper Networks G10 CMTS Network Card User Manual


 
Chassis Rear Modules
JUNOSg 3.0 G10 CMTS Hardware Guide
52
Figure 19: G10 CMTS Data Flow
NIC Module
NIC Access
Module
HFC Connector ModuleHFC Connector Module
DOCSIS Module
DOCSIS Module
Ethernet
Ethernet
Ethernet
DOCSIS
DOCSIS
Downstream
Downstream
Upstream
Upstream
Hybrid
Fiber/Coax
Network-
Side
Interface
Midplane
10/100BASE-T
IP Data
Downstream RF
DOCSIS Frames in MPEG Stream
Gigabit Ethernet
IP Data
Upstream Data Bursts
in TDMA