Glossary
10GBASE-T
(10 Gigabit baseband over twisted
pair)
»
This IEEE standard, 802.3an, defines 10
Gigabit Ethernet running 10Gbps over balanced
twisted-pair cabling.
ANSI
(American National Standards Institute)
»
ANSI oversees the creation, circulation and use
of standards and guidelines that directly impact
businesses in various sectors. ANSI is also actively
engaged in accrediting programs that assess
conformance to standards.
Attenuation
»
The loss of volume during
transmission, or decrease in the power of a signal,
light beam, or light wave. Attenuation is the
opposite of gain and is measured in decibels (dB).
AWG
(American wire gauge)
»
The standard
measuring gauge for nonferrous conductors
(i.e., non-iron and non-steel). Gauge measures
the diameter of a conductor (thickness of cable).
AXT
(alien crosstalk)
»
Electromagnetic noise that
can occur in a cable run alongside other signal-carrying
cables. The term “alien” arises from the fact that
this form of crosstalk occurs between different
cables in a group or bundle, rather than between
individual wires or circuits within a single cable.
Bandwidth
»
The difference between the highest
and the lowest frequencies of a transmission channel
(path for information transmission). Identifies the
amount of data that can be sent through a given
channel. Measured in hertz (Hz); higher bandwidth
numbers mean higher data capacity.
Bend Radius
»
The amount of bend that can
occur before a cable may sustain damage or
increased attenuation.
BICSI
(Building Industry Consulting Services
International)
»
A non-profit professional association
for the promotion of telecommunications industry
standards and installation best practices.
Category 5e
(enhanced category 5 or Cat 5e)
»
A standard for balanced twisted pair cable and
components supporting signaling rates up to 100 MHz.
Cat 5e is intended to support systems up to 1000BASE-T
or Gigabit Ethernet up to distances of 100 m (328 ft).
Category 6
(CAT 6)
»
A standard for balanced
twisted pair cable and components supporting
signaling rates up to 250 MHz. Cat 6 is intended
to support systems up to 1000BASE-T or Gigabit
Ethernet up to distances of 100 m (328 ft).
Category 6A
(augmented category 6 or Cat 6A)
»
A standard for balanced twisted pair cable and
components supporting signaling rates up to 500
MHz. Cat 6A is designed to support 10GBASE-T or 10
Gigabit Ethernet up to distances of 100 m (328 ft).
Category of Performance
»
Cabling and
cabling component standards adopted by the
telecommunications industry.
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