3Com MSR 20, MSR 30 Lists icon conventions that are used throughout this guide, Text Conventions

ABOUT THIS GUIDE

This guide describes the various interface cards and interface modules that are available for use with you H3C MSR 20/30/50 Series router.

This guide is intended for qualified service personnel who are responsible for configuring, using, and managing the routers. It assumes a working knowledge of local area network (LAN) operations and familiarity with communication protocols that are used to interconnect LANs.

n	Always download the Release Notes for your product from the 3Com World Wide
	Web site and check for the latest updates to software and product
	documentation: http://www.3Com.com
Conventions	Table 1 lists icon conventions that are used throughout this guide.
	Table 1	Notice Icons
	Icon	Notice Type	Description

n

c w

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 lists text conventions that are used throughout this guide.

Table 2 Text Conventions

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.”