Data Packet Processing; Figure 13: Docsis Module Block Diagram - Juniper G10 CMTS Hardware Manual

DOCSIS Module
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Figure 13: DOCSIS Module Block Diagram

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Data Packet Processing

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32 JUNOSg 3.0 G10 CMTS Hardware Guide
Packet, Scheduling, and Management
Upconverter
Modem
Broadband Cable Processor
ASIC
This section describes the major processing functions performed at the PHY, MAC, and
higher protocol layers for DOCSIS 1.1 and EuroDOCSIS 1.1 compliance. Figure 14 on page 33
illustrates these functions. See the DOCSIS specifications for more details.
Processing Devices
I 2 C
Dual PCI Bridge
Memory Controller
Bridge
cCPI Midplane
Traffic Traffic
Port
Port
100Base-T 100Base-T
SDRAM
Flash
Memory
Timer &
NVRAM
Mgmt Security
Port Proc.
100Base-T