ZyXEL Communications IES-2500, User Manual, Page: 16 / 65

1-2 Card Installation
1.2 Back Panel
The following figure shows the back panel of the IES-2500 main chassis.
Figure 1-2 IES 2500 Back Panel
1.3 Features
Main Chassis
The main chassis has slots for hot-swappable DSL line cards and a management switch card.
Splitter Chassis
The splitter chassis has slots for hot-swappable splitter and extension cards, and Telco-50 connectors or wire
wrapping pins for connecting to the subscribers and the PBX (Private Branch Exchange) or PSTN/ISDN (Public
Switched Telephone Network)(Integrated Services Digital Network) switch.
Hot Swappable DSL Line Cards
The IES-2500 uses hot swappable DSL line cards.
Hot Swappable Splitter Cards
The IES-2500 uses hot swappable splitter cards.
Management Switch Card
The IES-2500 accommodates a management switch card that switches traffic and forwards it between the DSL line
cards and other Ethernet switches.
Hot Swappable Fan Module
The IES-2500 is equipped with a hot swappable fan module to provide easy maintenance, greater reliability and
increased system operating lifetimes.
Power Module
You can easily access the IES-2500’s power module, located on the upper left side of the rear panel, to change a
fuse.
Scalable Platform for Future Expansion