Chapter 1 • Introduction
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1037073-0001 Revision E
terminal IP address and the subnet mask may be required to
configure a network. The System Control Center is described in
Chapter 2 – System Control Center, on page 13.
HN7700S overview
The HN7700S (Figure 3) is a self-hosted remote terminal
equipped with a serial port, two Ethernet ports, and an internal
modem (with telephone jack) to support the Virtual Private
Network Automatic Dial Backup (VADB) feature. VADB is
designed for enterprise customers.
HN7700S enterprise
features
The HN7700S remote terminal includes features that make it an
ideal broadband communications solution for enterprise
customers. These features are introduced below and then
described in more detail in the following sections.
• VA D B – The HN7700S remote terminal includes an internal
modem that supports the Virtual Private Network Automatic
Dial Backup (VADB) feature. VADB enables the HN7700S
to send and receive data over a terrestrial phone line if the
satellite link between the terminal and the Network
Operations Center (NOC) should fail or degrade below an
acceptable threshold.
Figure 3: HN7700S remote terminal
SAT IN
SAT OUT
DC IN
LAN 2
DEBUG
SERIAL SYNC/ASYNC
LAN 1
TEL LINE
LAN 1
LAN 2
T0156014
Serial port
Phone jack for VADB support
Dual Ethernet ports
Power connector
SAT IN (receive)
SAT OUT (transmit)
These connectors are
present on the HN7700S
only. (The HN7000S has
1 LAN port.)
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