M/A-Com P5100 Series, Руководство по установке

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MM102225V1, Rev. B
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8.0 COMMON TERMS
The following brief explanations describe OpenSky Base Station rack components and
define other common terms:
Table 8-1: Common Terms
TERM ACRONYM OR
ALIAS
DEFINITION
Alarm Module ION Environment and equipment monitor with network or pager
alarm capability, providing detection of out-of-specification
conditions.
Device used initially: ION Networks, Inc.: Sentinel 2000
Slimline
Antenna Device that transmits or receives electromagnetic radiation at
radio frequencies.
Antenna cable
(Feedline) Coaxial cable used to connect a transmitter and/or receiver to
its antenna.
Base Station
Controller BSC The BSC is part of the D igital C ontroller/( X )transceiver
( DCX ).
Base Station
Transceiver BSX The BSX is part of the D igital C ontroller/( X )transceiver
( DCX ).
Bus That part of a circuit used in common by several units or
modules.
The main power lead in a rack or cabinet of equipment.
Cisco Router Network Access
Server TCP/IP internetworking router connecting base site to the
OpenSky Network.
Control Cable
(Tower Top
Amplifier) Five-conductor cable connected between TTA and Control
Unit. Provides voltage/current read out of TTA, alarm status,
and switching between primary and secondary amps.
Combiner Device to combine transmission signals from base site
transmitters before sending to the antenna for transmission.
Duplexer Used for single-antenna sites, a device to allow simultaneous
transmission and reception over a single antenna.
Feedline Transmission line that delivers RF power to an antenna or
between an antenna and a radio transmitter or receiver.
High-Power
Amplifier HPA
Device to amplify the frequency-modulated signal for
transmission.
InterModulation IM
The production, in a nonlinear element of a system, of
frequencies corresponding to the sum and difference
frequencies of the fundamentals and harmonics thereof that are
transmitted through the element.