Motorola SURFboard SB3500 User Manual - Page 25

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TROUBLESHOOTING

The SB3500 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

line

interface

Line 1

Line 2

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Network

management

agent

MAC

processing

Call signalling

DSP

Voice

management

line

Enet

Power

supply

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