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Support/Feedback
124
Support
124
Feedback
124
T
ROUBLESHOOTING
Basic Connection Checks
125
Browsing to the Router Configuration Screens
126
Connecting to the Internet
127
Forgotten Password and Reset to Factory Defaults
127
Wireless Networking
128
Recovering from Corrupted Software
130
Power Adapter
130
Frequently Asked Questions
132
IP A
DDRESSING
The Internet Protocol Suite
133
Managing the Router over the Network
133
IP Addresses and Subnet Masks
133
How does a Device Obtain an IP Address and Subnet Mask?
135
DHCP Addressing
135
Static Addressing
135
Auto-IP Addressing
135
T
ECHNICAL
S
PECIFICATIONS
3Com Wireless 11n Cable/DSL Firewall Router
137
Standards
139
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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
148
Solve Problems Online
148
Purchase Extended Warranty and Professional Services
148
Access Software Downloads
149
Contact Us
149
Telephone Technical Support and Repair
149
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
Cable/DSL Firewall Router (3CRWER300-73).
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.
If a release note is shipped with the 3Com Wireless 11n Cable/DSL
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 Cable/DSL Firewall Router
is referred to as the “Router”.
Category 3, Category 5, and Category 6 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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