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Introducing the 3000 Series Secure Gateway Router
4 3000 Series User Guide
Data and Voice Features
This section describes the data and voice networks that the 3000 Series
supports.
Data Capability
For routing data, the 3000 Series supports the following types of LANs and
WANs.
LAN
The 3000 Series comes with a fixed Ethernet port that provides a 10BaseT
Ethernet connection. It also offers an optional 10Base-T Ethernet module.
WAN
The 3000 Series supports the following types of WANs in its three modular
slots.
• DDS CSU/DSU module for 56 Kbps/64 Kbps digital services.
• T1/Fractional T1 CSU/DSU module for 56 Kbps to 1.536 Mbps digital
services.
• E1/Fractional E1 module for 64 Kbps to 2.048 Mbps digital services.
• ISDN U with two B and one D channels and with a built-in Network
Termination (NT1) device.
• ISDN S/T module with two B and one D channels.
• SDSL module for serial communication up to 2.048 Mbps.
• A standard WAN module (RS-232/V.35/X.21) that lets you connect to a
Frame Relay network or run the Point-to-Point Protocol (PPP) over either
a leased or a dialup telephone line.