Conventions 5
ABOUT THIS GUIDE
This guide describes the 3Com
® 
Router 3000 Family of routers and how to install 
hardware, configure and boot software, and maintain software and hardware.  
This guide also provides troubleshooting and support information for your router.
This guide is intended for the system or network administrator who is responsible 
for configuring, using, and managing the routers. It asumes a working knowledge 
of wide area network (WAN) operations and familiarity with communication 
protocols that are used to interconnect WANs.
Always download the Release Notes for your product from the 3Com World Wide 
Web site for the latest updates to product documentation:
http://www.3com.com
Conventions Table 1 and Table 2 list conventions that are used throughout this guide.
Table  1   Notice Icons
Tab le  2   Text Conventions
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.
Convention Description
Screen 
displays
This typeface represents information as it appears on the screen.
Keyboard key 
names
If you must press two or more keys simultaneously, the key names are 
linked with a plus sign (+), for example:
    Press Ctrl+Alt+Del 
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.”