McDATA 316095-B21 - StorageWorks Edge Switch 2/24 Installation And Service Manual page 556

Glossary
datagram
decibel
default zone
destination
diagnostics
dialog box
direct current
g-12 McDATA® Sphereon 3032 and 3232 Fabric Switches Installation and Service Manual
• All log files
• Call-home settings
• Firmware library
• Zoning library
Synonym for
dB See decibel.
dBm Decibels referenced to one milliwatt. Zero dBm equals one milliwatt,
with a logarithmic relationship as the value increases (D).
DC See direct current.
Abbreviated as dB. A standard unit used to express gain or loss of
optical power, expressed as the ratio of input power to output power
on a logarithmic basis (D).
default Pertaining to an attribute, value, or option that is assumed by a sys-
tem when none is explicitly specified (D, I).
A zone that contains all attached devices that are not members of a
separate active zone.
A point or location, such as a processor, director or switch, or server,
to which data is transmitted (D).
device (1) Mechanical, electrical, or electronic hardware with a specific pur-
pose (D). See also
(2) See node.
(1) The process of investigating the cause or nature of a problem in a
product or system. (2) Procedures or tests used by computer users
and service personnel to diagnose hardware or software problems
(D).
A pop-up window in the user interface with informational messages
or fields to be modified or completed with desired options.
DC. Electric current that continuously flows in one direction (D). Con-
trast with alternating
Class 3 Fibre Channel
managed product.
current.
service.