{ x | y | ... }
 
Braces enclose a set of required syntax choices separated by vertical bars, 
from which you select one.  
[ x | y | ... ]
 
Square brackets enclose a set of optional syntax choices separated by vertical 
bars, from which you select one or none.  
{ x | y | ... } *
 
Asterisk marked braces enclose a set of required syntax choices separated by 
vertical bars, from which you select at least one. 
[ x | y | ... ] *
 
Asterisk marked square brackets enclose optional syntax choices separated 
by vertical bars, from which you may select multiple choices or none.  
&<1-n> 
The argument or keyword and argument combination before the ampersand 
(&) sign can be entered 1 to n times. 
#  A line that starts with a pound (#) sign is comments. 
 
GUI conventions 
Convention Description 
Boldface 
Window names, button names, field names, and menu items are in Boldface. 
For example, the New User window appears; click OK. 
> 
Multi-level menus are separated by angle brackets. For example, File > Create 
> Folder. 
 
Symbols 
Convention Description 
 WARNING 
An alert that calls attention to important information that if not understood or 
followed can result in personal injury. 
 CAUTION 
An alert that calls attention to important information that if not understood or 
followed can result in data loss, data corruption, or damage to hardware or 
software.  
 IMPORTANT 
An alert that calls attention to essential information. 
NOTE 
An alert that contains additional or supplementary information. 
 TIP 
An alert that provides helpful information. 
 
About the H3C S5120-EI documentation set 
The H3C S5120-EI documentation set includes: 
Category Documents  Purposes 
Marketing brochures  Describe product specifications and benefits.  
Technology white papers 
Provide an in-depth description of software 
features and technologies.  
RPS User Manual 
Describes the appearances, features, and 
specifications of the RPS units available for the 
products.  
RPS Ordering Information for 
H3C Low-End Ethernet 
Switches 
Provides the RPS and switch compatibility matrix 
and RPS cable specifications.  
Product 
description 
and 
specifications 
H3C Low End Series Ethernet  Describes the models, appearances, and