User's Manual

Corecess 3121 Installation Guide
4
Introduction
The Corecess 3121 is an Asymmetric Digital Subscriber Line (ADSL) modem used for home
connectivity to an ADSL service provider network. The Corecess 3121 ADSL modem receives
adaptive data rates of up to 24Mbps downstream and transmits 1Mbps upstream.
Key Feat ures
The Corecess 3121 ADSL modem provides the following key features:
y
Internal ADSL modem for high-speed Internet access.
y 10/100Base-T Ethernet router to provide Internet connectivity to all computers on your LAN.
y Network address translation (NAT), Firewall, and IP filtering functions to provide security for
your LAN.
y Network configuration through DHCP Server and DHCP Relay.
y
Services including IP route and DNS configuration, RIP, and IP and DSL performance
monitoring.
y Configuration program you access via an HTML browser.
y Quality of Service for traffic routed and/or bridged by the modem.
Syst em Requirement
In order to use the Corecess 3121, you must have the following:
y
ADSL service up and running on your telephone line, with at least one public Internet address
for your computer.
y One or more computers with an Ethernet 10Base-T/100Base-T network interface card (NIC).
y An Ethernet hub/switch, if you are connecting the device to more than one computer on an
Ethernet network.
y For system configuration using the supplied web-based program: a web browser such as
Internet Explorer v5.0 or later, or Netscape v4.7 or later.