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Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only.
4
Chapter 1
Introduction
Wireless Cable Gateway Features
Thank you for purchasing the DCW725 Wireless Cable Gateway. This device delivers the highest
performance in data over cable technology. Ideal for home and small business users, this easy-
to-use communication device offers reliable connectivity as well as remarkable data transfer
rates – up to 600 times faster than a 56K dial-up modem. Once the DCW725 is activated, you are
online to enjoy real-time 3D animation, video conferencing, and perform other data intensive
tasks.
The Wireless Cable Gateway provides high-speed, reliable and secure transport capabilities and
is designed with DOCSIS upgrade ability for both DOCSIS 1.0, 1.1, and 2.0. The gateway offers
anti-spoofing functions, resulting in greater subscriber privacy and higher system availability.
Advanced features such as WLAN IEEE 802.11b/g, NAT, Firewall, VPN pass through and
CableHome are also available now and can be configured.
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Chapter 1
5
Chapter 1: Connections and Setup
What’s on the CD-ROM
If you connect a PC using the USB port on your gateway, you’ll need the USB drivers found on the
CD-ROM.
CD-ROM Contents:
•
Electronic copy of this user’s guide (.pdf format)
•
Adobe Acrobat Reader — application you can load to read .pdf format, if you don’t have it
loaded already
•
USB drivers — required if connecting by USB
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Chapter 1
Chapter 1: Connections and Setup
Computer Requirements
•
USB 1.0 or 1.1 (PC only), Ethernet (10/100), 802.11b or g
•
A TCP/IP network protocol for each machine
•
A network cable with RJ-45 connector for Ethernet connection
•
Microsoft Internet Explorer 4.0 or later, or Netscape Navigator 4.0 or later. (5.0 and 4.7 or
later, respectively, are strongly recommended.)
•
Windows Me, 2000, or XP for USB
Wireless Cable Gateway Overview
Cable Internet Service Requirements
•
cable company that offers DOCSIS-compliant Internet services
Computer
Internet
Wirelesss Cable Gateway
Cable Company
What the Wireless Cable Gateway Does
The Digital Wireless Cable Gateway serves as a two-way high-speed bridge between your personal
computer and a cable Internet Service Provider (ISP). It converts information that originates from
the Internet or your computer into electronic messages that can be transported over the same
wires your cable company uses to transport video signals.
What the Wireless Cable Gateway Needs to Do Its Job
•
The Right Cable Company:
Make sure your cable company provides data services that use
cable TV industry-standard DOCSIS technology.
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Chapter 1
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Chapter 1: Connections and Setup
•
The Internet Service Provider (ISP):
Your cable company provides you access to an Internet
Service Provider (ISP). The ISP is your gateway to the Internet. It provides you with a pipeline
to access Internet content on the World Wide Web (WWW).
Check with your cable company to make sure you have everything you need to begin; they’ll
know if you need to install special software or re-configure your computer to make your
cable Internet service work for you.
Contact Your Local Cable Company
You will need to contact your cable company to establish an Internet account before you can
use your gateway. You should have the following information ready (which you will find on the
sticker on the gateway) :
•
The serial number
•
The model number
•
The Media Access Control (MAC) address
Record your information here:
Serial Number: __________________________
Model Number: _________________________
MAC Address: ___________________________
S.N.
MODEL:
MAC:
XXXXXXXXXXXXXX
DCWXXX
009064XXXXXX
Please verify the following with the cable company:
•
The cable service to your home supports DOCSIS-compliant two-way modem access.
•
Your Internet account has been set up.
•
You have a cable outlet near your PC and it is ready for cable modem service.
Note: It is important to supply power to the modem at all times. Keeping your modem plugged in will keep it
connected to the Internet. This means that it will always be ready when you are. To disconnect your computer
from the Internet, use the ON/OFF button to put the modem in standby mode.
Important Information
Your cable company should always be consulted before installing a new cable outlet. Do not
attempt any rewiring without contacting your cable company first.
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Chapter 1
Chapter 1: Connections and Setup
System Overview
The Wireless Cable Gateway is connected between your cable company and the PCs within your
home, as pictured previously in the Wireless Cable Gateway Overview. The connection to the cable
company is made by a coaxial cable, and is referred to as the WAN (Wide Area Network) side of
your Wireless Cable Gateway. The connections to your PCs are made by your choice of several
standard home networking methods: Ethernet, USB, or 802.11b Wireless, and are referred to as the
LAN (Local Area Network) side of your Wireless Cable Gateway. Multiple PCs can use any or all of
the LAN side connections simultaneously to share your single cable company connection, up to a
maximum of 254 PCs total.
Unlike a simple hub or switch, the gateway’s setup consists of more than simply plugging
hardware together. You’ll need to configure your networked PCs to accept the IP addresses the
gateway assigns them (if applicable), and you will also need to configure the gateway with
settings provided by your cable company.
Understanding the Wireless Cable Gateway
Connections
Fig. 1

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