Motorola CG3500 User Manual page 23

TROUBLESHOOTING
The CG3500 has two major functional blocks — cable modem and telephony — as illustrated in the following block diagram:
Cable modem
Downstream
receiver
Cable
Tuner/RF
Upstream
transmitter
Telephony
CODEC
Subscriber Subscriber
line
interface
Line 1
Network
management
agent
MAC
IP
processing
Call signalling
DSP
Voice
management
line
interface
Line 2
Enet
Power
Power
supply
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