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Chapter 3: Networking
Illustrations contained in this document are for representation only.
78
used by your cable company to deliver packets between the Internet and the gateway’s
networking section so they can be routed to/from your PCs. This stack requires an IP
address assigned by the cable company from their pool of available addresses. Your cable
company may have you or your installer manually enter assigned addresses into your
gateway, or use a DHCP Server to communicate them, or use a method that involves you
entering host names. This stack uses a MAC address of MAC label + 2 (the MAC label is
found on the bottom of the unit). E.g., if the MAC address is 00:90:64:12:B1:91, this MAC
address would be 00:90:64:12:B1:93.
•
IP Stack 5 - for use by you to locally (i.e. from somewhere on the LAN side in your home)
communicate with the Cable Modem and Networking sections, to access the internal web
page diagnostics and configuration. This stack is also used by the gateway’s networking
section to route packets between the gateway’s Networking section and your PCs. This
stack uses a fixed IP address: 192.168.0.1. It uses a MAC address of MAC label + 4 (the
MAC label is found on the bottom of the unit). E.g., if the MAC address is
00:90:64:12:B1:91, this MAC address would be 00:90:64:12:B1:95.
With RG Mode, your cable company must provide one IP address for the CM section, plus one
for the Networking section, from their pool of available addresses. With RG Mode, each PC you
connect gets an IP address from a DHCP Server that is part of the Networking section of the
gateway.
Page 82 / 89
Chapter 4: Additional Information
Illustrations contained in this document are for representation only.
79
Chapter 4: Additional Information
Frequently Asked Questions
Q. What if I don’t subscribe to cable TV?
A. If cable TV is available in your area, data and voice service may be made available with or without
cable TV service. Contact your local cable company for complete information on cable services,
including high-speed internet access.
Q. How do I get the system installed?
A. Professional installation from your cable provider is strongly recommended. They will ensure proper
cable connection to the modem and your computer. However, your retailer may have offered a self
installation kit, including the necessary software to communicate with your cable ISP.
Q. My modem is connected to the power sector but does not work
A. Check the ON/OFF button on the rear panel of your modem. It should be set to “1”.
Q. Once my Wireless Voice Gateway is connected, how do I get access to the Internet?
A. Your local cable company provides your internet service*, offering a wide range of services including
email, chat, and news and information services, and a connection to the World Wide Web.
Q. It seems that the wireless network is not working
A. Check the WiFi LED on the front panel. If it is no lighted, press on the WPS button (on the side of the
modem) during 3 seconds and then check again the WiFi LED. If it is lighted, then the WiFi is enabled.
Q. Can I watch TV, surf the Internet, and talk to my friends through the Wireless Voice
Gateway at the same
time?
A. Absolutely!
Q. What do you mean by “Broadband?”
A. Simply put, it means you’ll be getting information through a “bigger pipe,” with more bandwidth, than
a standard phone line can offer. A wider, “broader” band means more information, more quickly.
Q. What is DOCSIS and what does it mean?
A. “Data over Cable Service Interface Specifications” is the industry standard that most cable companies
are adopting as they upgrade their systems. Should you ever decide to move, the Wireless Voice Gateway
Page 83 / 89
Chapter 4: Additional Information
Illustrations contained in this document are for representation only.
80
will work with all upgraded cable systems that are DOCSIS-compliant.
Q. What is PacketCable and what does it mean?
A. PacketCable is the industry standard for telephony services that most cable companies are adopting as
they upgrade their systems. Should you ever decide to move, the Wireless Voice Gateway will work with
all upgraded cable systems that are PacketCable compliant.
Q. What is Xpress Technology and what does it mean?
A. It is one of the popular performance-enhancing WiFi technologies, designed to improve wireless
network efficiency and boost throughput. It is more efficient in mixed environments, and it can work with
802.11a/b/g networks. When Xpress is turned on, aggregate throughput (the sum of the individual
throughput speeds of each client on the network) can improve by
up to
27% in 802.11g-only networks,
and
up to
75% in mixed networks comprised of 802.11g and 802.11b standard equipment. The
technology achieves higher throughput by by re-packaging data, reducing the number of overhead control
packets, so that more useful data can be sent during a given amount of time.
* Monthly subscription fee applies.
**
Additional equipment required. Contact your cable company and ISP for any restrictions or additional
fees.
Page 84 / 89
Chapter 4: Additional Information
Illustrations contained in this document are for representation only.
81
General Troubleshooting
You can correct most problems you have with your product by consulting the troubleshooting list that
follows.
I can’t access the internet.
±
Check all of the connections to your Wireless Voice Gateway.
±
Your Ethernet card or USB port may not be working. Check each product’s documentation for more
information.
±
The Network Properties of your operating system may not be installed correctly or the settings may
be incorrect. Check with your ISP or cable company.
All of the lights are flashing in sequence.
±
This means the Wireless Voice Gateway is automatically updating its system software. Please wait
for the lights to stop flashing. The updating process typically lasts less than one minute.
±
Do not remove the power supply or reset the Wireless Voice Gateway during this process.
I can’t get the modem to establish an Ethernet connection.
±
Even new computers don’t always have Ethernet capabilities – be sure to verify that your computer
has a properly installed Ethernet card and the driver software to support it.
±
Check to see that you are using the right type of Ethernet cable.
The modem won’t register a cable connection.
±
If the modem is in Initialization Mode, the INTERNET light will be flashing. Call your Cable
Company if it has not completed this 5-step process within 30 minutes, and note which step it is
getting stuck on.
±
The modem should work with a standard RG-6 coaxial cable, but if you’re using a cable other than
the one your Cable Company recommends, or if the terminal connections are loose, it may not work.
Check with your Cable Company to determine whether you’re using the correct cable.
±
If you subscribe to video service over cable, the cable signal may not be reaching the modem.
Confirm that good quality cable television pictures are available to the coaxial connector you are
using by connecting a television to it. If your cable outlet is “dead”, call your Cable Company.
±
Verify that the Cable Modem service is DOCSIS compliant and PacketCable compliant by calling
your cable provider.
Page 85 / 89
Chapter 4: Additional Information
Illustrations contained in this document are for representation only.
82
I don’t hear a dial tone when I use a telephone.
±
Telephone service is not activated. If the rightmost light on the Wireless Voice Gateway stays on
while others flash, check with your TSP or cable company.
±
If the Wireless Voice Gateway is connected to existing house telephone wiring, make sure that
another telephone service is not connected. The other service can normally be disconnected at the
Network Interface Device located on the outside of the house.
±
If using the second line on a two-line telephone, use a 2-line to 1-line adapter cable.
For more Usage and Troubleshooting Tips use the web site links provided on the CD-ROM:

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