The 3000 Series Secure Gateway Router is a combined voice over packet gateway and network router in a single rack-mountable unit. It is a modular Voice over Internet Protocol (VoIP) unit that secures voice and data using firewalls, encryption, and authentication protocols.
The 3000 Series supports analog voice network connections. It also offers a variety of modules for wide area connectivity to the Internet or corporate networks. For local area connectivity the 3000 Series has a fixed 10BaseT Ethernet connection, and an optional 10BaseT Etherent module.
The 3000 Series is available in two basic versions.
Data with Analog Voice provides routing of your data along with up to four analog voice lines.
Data Only provides routing of your data.
Modules
Data and Voice Features
Modules
The 3000 Series has fixed modules and connectors, as well as slots for three optional modules. Here is an example of the back panel of a 3000 Series.
Fixed Modules
The 3000 Series has two fixed connectors:
10BaseT Ethernet—to connect to your LAN
Console—to connect to a PC for configuring and monitoring the 3000 Series
Optional Modules
The following illustration shows the optional modules you can install in your 3000 Series.
You can install ISDN modules in slot D3.
You can Ethernet modules in slots D1 and D2.
You can install the WAN, DDS, E1, T1, or SDSL modules in any slot.
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.
Voice support for FXO (foreign exchange office), FXS (foreign exchange service), or E&M (ear and mouth).
H.323 voice encapsulation standard, including H.225.Ov2 and H.245v.4 standards.
Switched Frame Transfer Mode (SFTM) technology, which lets you switch voice and data traffic over the same lines.