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Chapter 26 Troubleshooting
ericom D1000 modem User’s Guide
211
Try to access the Device using another service, such as Telnet. If you can access the Device,
check the remote management settings and firewall rules to find out why the Device does not
respond to HTTP.
If your computer is connected to the
DSL
port or is connected wirelessly, use a computer that is
connected to a
ETHERNET
port.
I can see the
Login
screen, but I cannot log in to the Device.
1
Make sure you have entered the password correctly. The default user and default admin password
can be found on the cover page of this User’s Guide. The field is case-sensitive, so make sure [Caps
Lock] is not on.
2
You cannot log in to the web configurator while someone is using Telnet to access the Device. Log
out of the Device in the other session, or ask the person who is logged in to log out.
3
Turn the Device off and on.
4
If this does not work, you have to reset the device to its factory defaults. See
Section 1.5 on page
15
.
I cannot Telnet to the Device.
See the troubleshooting suggestions for
I cannot see or access the Login screen for the web
configurator.
Ignore the suggestions about your browser.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload
new firmware.
See the troubleshooting suggestions for
I cannot see or access the Login screen for the web
configurator.
Ignore the suggestions about your browser.
26.3
Internet Access
I cannot access the Internet.
1
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide and
Section 27.1 on page 213
.
2
Make sure you entered your ISP account information correctly in the wizard. These fields are case-
sensitive, so make sure [Caps Lock] is not on.
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Chapter 26 Troubleshooting
ericom D1000 modem User’s Guide
212
3
If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless
client are the same as the settings in the AP.
4
If you are trying to access the Internet wirelessly, make sure you enabled the wireless LAN and
have selected the correct country and channel in which your Device operates in the
Wireless LAN
> AP
screen.
5
Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.
6
If the problem continues, contact your ISP.
I cannot access the Internet anymore. I had access to the Internet (with the Device), but my
Internet connection is not available anymore.
1
Check the hardware connections, and make sure the LEDs are behaving as expected.
2
Turn the Device off and on.
3
If the problem continues, contact your ISP.
The Internet connection is slow or intermittent.
1
There might be a lot of traffic on the network. Look at the LEDs, and check
Section 27.1 on page
213
. If the Device is sending or receiving a lot of information, try closing some programs that use
the Internet, especially peer-to-peer applications.
2
Check the signal strength. If the signal strength is low, try moving your computer closer to the
Device if possible, and look around to see if there are any devices that might be interfering with the
wireless network (for example, microwaves, other wireless networks, and so on).
3
Turn the Device off and on.
4
If the problem continues, contact the network administrator or vendor, or try one of the advanced
suggestions.
Advanced Suggestions
Check the settings for QoS. If it is disabled, you might consider activating it. If it is enabled, you
might consider raising or lowering the priority for some applications.
Page 213 / 228
ericom D1000 modem User’s Guide
213
C
HAPTER
27
LED Descriptions
27.1
LED Descriptions
Table 89
LED Descriptions
LED
COLOR
STATUS
DESCRIPTION
USB
Green
On
The Device recognizes a USB connection through the USB slot.
Blinking
The Device is sending/receiving data to /from the USB device
connected to it.
POWER
Green
On
The Device is receiving power and ready for use.
Blinking
The Device is self-testing.
Red
On
The Device detected an error while self-testing, or there is a
device malfunction.
Off
The Device is not receiving power.
ETHERNET 1-4
Green
On
The Device has an Ethernet connection with a device on the Local
Area Network (LAN).
Blinking
The Device is sending/receiving data to /from the LAN.
Off
The Device does not have an Ethernet connection with the LAN.
WiFi
Green
On
The wireless network is activated.
Blinking
The Device is communicating with other wireless clients.
Orange
Blinking
The Device is setting up a WPS connection.
Off
The wireless network is not activated.
DSL
Green
On
The DSL line is up.
Blinking
The Device is initializing the DSL line.
Off
The DSL line is down.
INTERNET
Green
On
The Device has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a
DHCP server), PPP negotiation was successfully completed (if
used) and the DSL connection is up.
Blinking
The Device is sending or receiving IP traffic.
Red
On
The Device attempted to make an IP connection but failed.
Possible causes are no response from a DHCP server, no PPPoE
response, PPPoE authentication failed.
Off
The Device does not have an IP connection.
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215
A
PPENDIX
A
Legal Information
Copyright
Copyright © 2013 by ZyXEL Communications Corporation.
The contents of this publication may not be reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into
any language, or transmitted in any form or by any means, electronic, mechanical, magnetic, optical, chemical, photocopying, manual, or
otherwise, without the prior written permission of ZyXEL Communications Corporation.
Published by ZyXEL Communications Corporation. All rights reserved.
Disclaimer
ZyXEL does not assume any liability arising out of the application or use of any products, or software described herein. Neither does it
convey any license under its patent rights nor the patent rights of others. ZyXEL further reserves the right to make changes in any
products described herein without notice. This publication is subject to change without notice.
Trademarks
Trademarks mentioned in this publication are used for identification purposes only and may be properties of their respective owners.
Viewing Certifications
Go to
to view this product’s documentation and certifications.
ZyXEL Limited Warranty
ZyXEL warrants to the original end user (purchaser) that this product is free from any defects in material or workmanship for a specific
period (the Warranty Period) from the date of purchase. The Warranty Period varies by region. Check with your vendor and/or the
authorized ZyXEL local distributor for details about the Warranty Period of this product. During the warranty period, and upon proof of
purchase, should the product have indications of failure due to faulty workmanship and/or materials, ZyXEL will, at its discretion, repair or
replace the defective products or components without charge for either parts or labor, and to whatever extent it shall deem necessary to
restore the product
or components to proper operating condition. Any replacement will consist of a new or re-manufactured functionally
equivalent product of equal or higher value, and will be solely at the discretion of ZyXEL. This warranty shall not apply if the product has
been modified, misused, tampered with, damaged by an act of God, or subjected to abnormal working conditions.
Note
Repair or replacement, as provided under this warranty, is the exclusive remedy of the purchaser. This warranty is in lieu of all other
warranties, express or implied, including any implied warranty of merchantability or fitness for a particular use or purpose. ZyXEL shall in
no event be held liable for indirect or consequential damages of any kind to the purchaser.
To obtain the services of this warranty, contact your vendor. You may also refer to the warranty policy for the region in which you bought
Registration
Register your product online to receive e-mail notices of firmware upgrades and information at www.zyxel.com for global products, or at
www.us.zyxel.com for North American products.
Open Source Licenses
This product contains in part some free software distributed under GPL license terms and/or GPL like licenses. Open source licenses are
provided with the firmware package. You can download the latest firmware at www.zyxel.com. To obtain the source code covered under
those Licenses, please contact [email protected] to get it.
Regulatory Information
European Union
The following information applies if you use the product within the European Union.
Declaration of Conformity with Regard to EU Directive 1999/5/EC (R&TTE Directive)
Compliance Information for 2.4GHz and 5GHz Wireless Products Relevant to the EU and Other Countries
Following the EU Directive 1999/5/EC
(R&TTE Directive)
[Czech]
ZyXEL tímto prohlašuje, že tento za
ř
ízení je ve shod
ě
se základními požadavky a dalšími p
ř
íslušnými ustanoveními
sm
ě
rnice 1999/5/EC.
[Danish]
Undertegnede ZyXEL erklærer herved, at følgende udstyr udstyr overholder de væsentlige krav og øvrige relevante
krav i direktiv 1999/5/EF.

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