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Page 176 / 237 Scroll up to view Page 171 - 175
OxyGEN
mini
Office
Administrator’s Guide
Testing your Setup
Once you have connected your hardware and configured your PCs, any computer on your LAN should
be able to use the device’s DSL connection to access the Internet. To test the connection, turn on the
device, wait for 60 seconds and then verify that the LEDs are illuminated as follows:
LED
Behavior
Power
Solid Green during the boot sequence and dur-
ing normal operation. If this light is not on, check
the power cable attachment.
Alarm
Solid Amber during the boot sequence.
Once
the boot sequence is finished, the led is off.
DSL
Blinking Green when a synchronization attempt
is being performed. Solid Green upon successful
synchronization.
Internet
Blinking Red while trying to connect. Solid Green
when a valid IP address has been assigned to
the device by the ISP. Blinking Green when an
invalid username/password combination is being
used.
Ethernet
Solid Green to indicate active link on the corre-
sponding Ethernet link. Blinking when the device
is sending or receiving data from the LAN.
Wireless
Solid Green to indicate that the Wireless LAN
connection is operational. Slow blinking while the
wireless operation is being turned on or off.
(WiFi-enabled devices only)
USB
Solid Green to indicate that the USB connection
is operational.
Table 14.1: LED Indicators
If the LEDs illuminate as expected, test your Internet connection from a LAN computer. To do this,
open your web browser, and type the URL of any external website (such as
).
The device should connect to the site.
If the LEDs do not illuminate as expected, you may need to configure your Internet access settings
using the information provided by your ISP. If the LEDs still do not illuminate as expected or the web page
is not displayed, follow the Troubleshooting Suggestions presented in the next paragraph or contact your
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OxyGEN
mini
Office
Administrator’s Guide
ISP for assistance.
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OxyGEN
mini
Office
Administrator’s Guide
Troubleshooting Suggestions
Problem
Troubleshooting Suggestion
LEDs
Power LED does not illuminate af-
ter product is turned on.
Verify that you are using the power adapter provided with
the device and that it is securely connected to the OxyGEN
miniOffice and a wall socket/power strip.
DSL LED does not illuminate after
phone cable is attached.
Verify that a standard telephone cable (called an RJ-11
cable) like the one provided is securely connected to the
DSL port and your wall phone port. Allow about 60 seconds
(depending on the distance between the router and the
telephone exchange and on the quality of the telephone
line) for the device to negotiate a connection with your ISP.
Ethernet LED does not illuminate
after Ethernet cable is attached.
Verify that the Ethernet cable is securely connected to your
PC or LAN switch and to the OxyGEN miniOffice. Make sure
the PC and/or LAN switch is turned on. Verify that your cable
is sufficient for your network requirements. A 100 Mbit/sec
network (100-BaseT) should use cables labeled CAT 5.
A
10Mbit/sec network may tolerate lower quality cables.
Internet Access
My PC cannot access the Inter-
net
Run a health check on your device.
Use the
Ping
utility
(discussed in the following section) to check whether your
PC can communicate with the OxyGEN miniOffice’s LAN
IP address (by default 192.168.1.254).
If it cannot, check
first the Ethernet cabling. The Ethernet LED corresponding to
the Ethernet port being used must be lit or blinking. If you
statically assigned a private IP address to the computer, (not
a registered public address), verify the following:
Check that the gateway IP address on the computer
is
OxyGEN
miniOffice’s
LAN
IP
address
(by
default
192.168.1.254). If it is not, correct the address or configure
the PC to receive IP information automatically through
DHCP.
Verify with your ISP that the DNS server specified for the PC
is valid. Correct the address or configure the PC to receive
this information automatically.
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OxyGEN
mini
Office
Administrator’s Guide
My LAN PCs cannot display web
pages on the Internet.
Verify that the DNS server IP address specified on the PCs is
correct for your ISP, as discussed in the item above. If you
specified that the DNS server be assigned dynamically from
a server, then verify with your ISP that the address configured
on the OxyGEN miniOffice is correct, and then you can use
the
Ping
utility, discussed on page 180, to test connectivity
with your ISP’s DNS server.
Web pages
I forgot/lost my username or pass-
word.
If you have not changed the password from the default, try
using
admin
as both the username and password. Otherwise,
you can reset the device to the default configuration by
pressing the
Reset
button on the rear panel of the device
(see
Rear Panel
on page 26).
Then, type the default
username and password shown above.
WARNING
: Resetting the device removes any custom
settings and returns all settings to their default values.
I cannot access the web pages
from my browser.
Use the
Ping
utility, discussed in the following section, to
check whether the PC can communicate with the device’s
LAN IP address (by default 192.168.1.254). If it cannot, check
the Ethernet cabling.
Verify that you are using Microsoft
Internet Explorer version 5.5 or newer, Mozilla Firefox 1.5 or
newer, Google Chrome, Apple Safari version 1.2 or newer.
Verify that the PC’s IP address is configured as being on the
same subnet as the IP address assigned to the LAN port on
the OxyGEN miniOffice.
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OxyGEN
mini
Office
Administrator’s Guide
Diagnosing Problem using IP Utilities
Ping
Ping is a command you can use to check whether your PC can recognize other computers on your
network and the Internet.
A ping command sends a message to the computer you specify.
If the
computer receives the message, it sends messages in reply. To use it, you must know the IP address of
the computer with which you are trying to communicate.
On Windows-based computers, you can execute a ping command from the Start menu. Click the
Start
button, and then click
Run
. In the
Open
text box, type a statement such as the following:
Click
OK
. You can substitute any private IP address on your LAN or a public IP address for an Internet
site, if known.
If the target computer receives the message, a
Command Prompt
window is displayed:
Figure 14.1: Using the Ping Utility
If the target computer cannot be located, you will receive the message
Request timed out
.
Using the ping command, you can test whether the path to the OxyGEN miniOffice is working (using
the preconfigured default LAN IP address 192.168.1.254) or another address you assigned.
You can also test whether access to the Internet is working by typing an external address, such as
that for
www.yahoo.com
(216.115.108.243). If you do not know the IP address of a particular Internet
location, you can use the
nslookup
command, as explained in the following section.
From most other IP-enabled operating systems, you can execute the same command at a command
prompt or through a system administration utility.
nslookup
You can use the nslookup command to determine the IP address associated with an Internet site name.
You specify the common name, and the nslookup command looks up the name in on your DNS server
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180

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