3Com OfficeConnect 3C16771 User Manual page 33

Attaching the Internet Firewall to the Network
using standard 10BASE-T cable, make sure that the
Uplink/Normal switch is in the Uplink position.
5 Turn on or restart the Internet access device.
6 Plug the Internet Firewall power supply into an AC power
outlet, and then plug the power supply output cable into
the power adapter socket.
7 Wait for the Power LED to stop flashing.
The Internet Firewall is designed to start up as soon as
power is supplied to it. Then it runs a series of
self-diagnostics to check for proper operation. During these
diagnostics, which take about 90 seconds, the Power LED
flashes.
8 Make sure that the Link LEDs are on for all ports that are
connected. If not, see
information.
The Internet Firewall is now attached to the network.
By default, no traffic that originates from the Internet is
allowed onto the LAN, and all communications from the
LAN to the Internet are allowed. That is, all inbound
connections are blocked and all outbound connections are
allowed.
You can now configure the Internet Firewall. See the
following chapters for more information:
Chapter 3
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Firewall.
Chapter 4
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configuration you can configure.
Chapter 5
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up the OfficeConnect Web Site Filter.
At frequent intervals, check the Internet Firewall for the
following:
The Alert LED is not continuously lit — if it is, there are
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problems on your network.
The case vents are not obstructed.
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The cabling is secure and is not pulled taut.
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Chapter 6
for a quick setup guide for the Internet
for full information about all the
for information about activating and setting
for troubleshooting
33