Glossary
| Term | Main definition |
|---|---|
| RET | Remote Electrical Tilt is the addition of AISG control system to enabling tilting of the antennas from a Remote location, other than the site itself.
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| RET Cable | Generic term for AISG cable assemblies.
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| RET Motor | Motorised device that adjust electrical tilt of an antenna.
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| Retermination |
The process of disconnecting, then reconnecting a cable
to a termination point (possibly moving the cable in the
process).
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| Retractile cord |
A cord with a specially treated insulation or jacket that
causes it to retract like a spring. Retractile cords are
commonly used between a telephone and a telephone
handset.
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| Retro Fit | See Snap fit
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| Return loss |
The ratio of reflected power to inserted power. Return
loss is a measure of the signal reflections occurring along
a channel or basic link and is related to various electrical
mismatches along the cabling. This ratio, expressed
in decibels, describes the ratio of optical power reflected
by a component, for instance a connector, to the optical
power introduced to that component.
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| Return reflection |
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| Return to zero (RZ) |
A digital coding scheme where the signal level is low
for a 0 bit and high for a 1 bit during the first half of a bit
interval; in either case, the bit returns to zero volts for
the second half of the interval.
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| Reversed pair |
A wiring error in twisted-pair cabling where the conductors
of a pair are reversed between connector pins at each
end of a cable. A cabling tester can detect a reversed pair.
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| RF access point |
A wireless receiver and transmitter used in a wireless
network. This point accesses incoming RF signals and
transmits RF signals.
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| RG | The “RG” number used for cable identification means “registration number” The registration number simply refers to an industry standard. Originated and allocated by the US military to standardize cable.
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| RG/U |
Radio grade/universal. RG is the common military designation
for coaxial cable.
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| RG58 | The type designation for the coaxial cable used in thin Ethernet (10Base-2). It has a 50 ohm impedance rating and uses BNC connectors.
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| RG59 | RG59-Registered number 59 is a coaxial type cable.
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