ITO – Internetwork Throughput Option
Introduction
7
7-9
Internet Service Provider
External Corporate Network
Router
Ethernet
Switches
xDSL ATU-C
Modem Bank
Alternate CO
Connection
Installation
Assistant
CO Unit
POTS
Splitters
Public Switched
Telephone Network
Subscriber
Lines
ace712f.eps
Figure 7-5. xDSL Central Office (Remote) Connections