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Support/Feedback
134
Support
134
Feedback
134
T
ROUBLESHOOTING
Basic Connection Checks
135
Browsing to the Router Configuration Screens
136
Connecting to the Internet
136
Forgotten Password and Reset to Factory Defaults
138
Wireless Networking
139
Recovering from Corrupted Software
140
Power Adapter
141
Frequently Asked Questions
143
IP A
DDRESSING
The Internet Protocol Suite
145
Managing the Router over the Network
145
IP Addresses and Subnet Masks
145
How does a Device Obtain an IP Address and Subnet Mask?
147
DHCP Addressing
147
Static Addressing
147
Auto-IP Addressing
148
T
ECHNICAL
S
PECIFICATIONS
3Com Wireless 11n Cable/DSL Firewall Router
149
Standards
151
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S
AFETY
I
NFORMATION
E
ND
U
SER
S
OFTWARE
L
ICENSE
A
GREEMENT
O
BTAINING
S
UPPORT
FOR
Y
OUR
3C
OM
P
RODUCTS
Register Your Product to Gain Service Benefits
160
Solve Problems Online
160
Purchase Extended Warranty and Professional Services
160
Access Software Downloads
161
Contact Us
161
Telephone Technical Support and Repair
161
G
LOSSARY
R
EGULATORY
N
OTICES
I
NDEX
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A
BOUT
T
HIS
G
UIDE
This guide describes how to install and configure the 3Com Wireless 11n
ADSL Firewall Router (3CRWDR300A-73, 3CRWDR300B-73).
This guide is intended for use by those responsible for installing and
setting up network equipment; consequently, it assumes a basic working
knowledge of LANs (Local Area Networks) and Internet Routers.
This manual covers both Annex A (ADSL over POTS) and Annex B (ADSL
over ISDN) Routers. The only difference is they style of ADSL connector
and type of cable supplied with your Router for connection to your
telephone line.
If a release note is shipped with the 3Com Wireless 11n ADSL Firewall
Router and contains information that differs from the information in this
guide, follow the information in the release note.
Most user guides and release notes are available in Adobe Acrobat
Reader Portable Document Format (PDF) on the 3Com World Wide Web
site:
Naming Convention
Throughout this guide, the 3Com Wireless 11n ADSL Firewall Router is
referred to as the “Router”.
Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables
throughout this guide.
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8
A
BOUT
T
HIS
G
UIDE
Conventions
Table 1 and Table 2 list conventions that are used throughout this guide.
Table 1
Notice Icons
Icon
Notice Type
Description
Information note
Information that describes important features or
instructions.
Caution
Information that alerts you to potential loss of data or
potential damage to an application, system, or device.
Warning
Information that alerts you to potential personal
injury.
Table 2
Text Conventions
Convention
Description
The words “enter”
and “type”
When you see the word “enter” in this guide, you must type
something, and then press Return or Enter. Do not press
Return or Enter when an instruction simply says “type.”
Keyboard key names
If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+). Example:
Press Ctrl+Alt+Del
Words in
italics
Italics are used to:
■
Emphasize a point.
■
Denote a new term at the place where it is defined in the
text.
■
Identify menu names, menu commands, and software
button names. Examples:
From the
Help
menu, select
Contents
.
Click
OK
.
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