3com MSR 20 Manual Do Utilizador

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

Table 1 lists icon conventions that are used throughout this guide.

Table 2 lists text conventions that are used throughout this guide.

Table 1   Notice Icons

n

Information note

Information that describes important features or 
instructions.

c

Caution

Information that alerts you to potential loss of data 
or potential damage to an application, system, or 
device.

w

Warning

Information that alerts you to potential personal 
injury.

Table 2   Text Conventions

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.”