Troubleshooting - ZyXEL Communications NSA-2401 Quick Start Manual

Troubleshooting

PROBLEM
None of the LEDs turn
on when you connect
the power.
Cannot access the NSA
from my computer.
The NSA cannot send e-
mails.
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CORRECTIVE ACTION
Make sure that the NSA is turned on.
Check that there are no loose cable connections, that there are
no faulty cables and that Ethernet cable connections do not
exceed 100m.
Make sure that you have the power cord connected to an active
power source.
If the LEDs still do not turn on, you may have a hardware
problem. In this case, you should contact your local vendor.
Check the Ethernet cable connection from your network to the
NSA.
If the NSA's IP address has changed, then enter the new one as
the website address.
Make sure your computer's IP address is in the same subnet as
the NSA's IP address (see section
Browser).
Ping the NSA from your computer. Make sure your computer's
Ethernet adapter is installed and functioning properly. In a
(Windows) computer, click Start, (All) Programs, Accessories
and then Command Prompt. In the Command Prompt window,
type "ping" followed by the NSA's IP address (192.168.1.3 is the
default) and then press [ENTER].
Use Internet Explorer 6.0 (and later) or Firefox 1.07 (and later)
with JavaScript enabled.
Make sure you enter the user name and password correctly
(these fields are case sensitive).
Check the NSA's logs.
In the NSA's logs report configuration, check the e-mail server
and authentication settings.
Check the network connection to the e-mail server.
Check that the DNS server the NSA is using can resolve the e-
mail server's address. If the e-mail server uses a private IP
address, the NSA needs to use a private DNS server. If the e-mail
server uses a public IP address, the NSA needs to use a public
DNS server.
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