Hughes DiRECWAY DW7700, Дополнительное руководство пользователя

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Chapter 1 • Introduction
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The DW7700 contains unique components and supports features
that make it an ideal broadband communications solution for
enterprise-class customers. The components and features are
introduced in the following section,
DW7700 components and
supported features , and are discussed in more detail in Chapter 2
– DW7700 component and feature descriptions .
DW7700 components
and supported features
The DW7700 contains the following components and supports
the listed features:
• Internal modem
Supports the DIRECWAY Virtual Private Network
Automatic Dial Backup (DVADB) feature. This feature
enables the DW7700 to send and receive data over a
terrestrial phone line should the satellite link between the
DW7700 and Network Operations Center (NOC) fail or
degrade below an acceptable threshold. A telephone cable is
connected to the TEL LINE port on the DW7700 and a phone
jack.
•
Port forwarding
Allows servers on your LAN to receive specific transmission
control protocol (TCP) and user datagram protocol (UDP)
traffic from the Internet.
• Serial port
Enables you to connect a serial device, such as a POS
terminal, credit verification device, or Automated Teller
Machine (ATM) to the DW7700.
•
Dual Ethernet ports
Allows you to connect two Ethernet devices to the DW7700.
Supported devices include PCs equipped with Network
Interface Cards (NICs), hubs, routers, switches, the
DIRECWAY Voice Appliance, and DIRECWAY Serial
Appliances. A DIRECWAY Serial Appliance can support up
to four serial devices.