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INTRODUCING THE ROUTER 3000
FAMILY
Routers in the 3Com
®
Router 3000 Family provides the following types of ports:
■ Ethernet port
■ Synchronous/asynchronous serial port
■ Auxiliary (AUX) port
■ ISDN BRI S/T and U port
■ CT1/PRI port
■ E1/CE1/PRI port
These features allow you to combine the various networking technologies, such as
PSTN/ISDN, FR (Frame Relay), X.25, leased line, and T1 line. These multiple ports
also allow Router 3000 series routers to interoperate with the products of other
manufacturers.
Router 3000 routers use three types of memory:
■ Synchronous Dynamic Random Access Memory (SDRAM) — Saves router
operation system software
■ Flash memory — Saves router program files, configuration files and so on
■ Boot ROM — Saves the boot and initialization programs of the router
Router 3012 Figure 1 illustrates the Router 3012.
Figure 1 Router 3012
Power LED
100M Ethernet LED
SERIAL0 LED
SERIAL1 LED
AUX LED
System LED