ZyXEL Communications IES-2500, User Manual, Page: 17 / 65

IES-2500 User’s Guide
Card Installation 1-3
The flexible design of the IES-2500 allows service providers to start with minimum cost. As the number of users
and applications increases, additional DSL line cards can be added to support more subscribers.
1.4 Applications
The following sections describe example applications for the IES-2500. This figure gives an example overview.
Figure 1-3 Application Overview Example
1.4.1 IP DSLAM
The IES-2500 operates as an IP DSLAM in a telephone company’s central office. It provides DSL service over
telephone wires to subscribers. The following figure shows the IES-2500 set up in a telephone company’s central
office.