3Com VG Series, Руководство по эксплуатации, Страница: 4 / 5

Part Contents
5 Security
Describes the security feature provided by the
VGs, as well as the configuration and operation of
the security feature.
6 Appendix provides all acronyms for the manual.
Conventions
The manual uses the following conventions:
I. Command conventions
Convention Description
Boldface The keywords of a command line are in Boldface .
italic Command arguments are in italic .
[ ]
Items (keywords or arguments) in square brackets [ ] are
optional.
{ x | y | ... }
Alternative items are grouped in braces and separated by
vertical bars. One is selected.
[ x | y | ... ]
Optional alternative items are grouped in square brackets
and separated by vertical bars. One or none is selected.
{ x | y | ... } *
Alternative items are grouped in braces and separated by
vertical bars. A minimum of one or a maximum of all can be
selected.
[ x | y | ... ] *
Optional alternative items are grouped in square brackets
and separated by vertical bars. Many or none can be
selected.
# A line starting with the # sign is comments.
II. GUI conventions
Convention Description
< >
Button names are inside angle brackets. For example, For
example, click <OK>.
[ ]
Window names, menu items, data table and field names
are inside square brackets. For example, pop up the [New
User] window.
/
Multi-level menus are separated by forward slashes. For
example, [File/Create/Folder].