3Com External PoE Power System PSE2500-A3 - Manual (Page 4)

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 .