Skip to main content
   

 Telecommunications Object Thesaurus Terms

This A-Z list of telecommunications objects shows the preferred and non-preferred terms in the thesaurus.

AA box
Plural: AA boxes
Definition: A telephone kiosk provided by the Automobile Association.
ABC telegraph
Plural: ABC telegraphs
Definition: Dial telegraph.
Plural: access and safety fittings
Broader Term: built work fitting
Narrower Terms: rack ladder  
Scope Notes:
Plural: access equipment
Narrower Terms: ladder  ladder accessory  
Scope Notes:
accumulator
Plural: accumulators
Definition: An electrochemical source of electricity in which the current is produced by a reversible reaction. Comprises two or more secondary cells coupled together. Batteries of this type may be recharged. Typically, but not exclusively, of the lead/acid type.
Plural: acoustic call indicator
Top Term: terminal apparatus
Broader Term: call indicator
Narrower Terms: bell  bell-set  buzzer  horn  
Scope Notes: Bells, buzzers, hooters, etc. used to call attention, sound an alarm, etc.
Plural: acoustic call indicator components
Top Term: terminal apparatus
Broader Term: call indicator component
Narrower Terms: bell component  
Scope Notes: Components of bells, buzzers, hooters, etc. used to call attention, sound an alarm, etc.
Plural: acoustic couplers
Top Term: terminal apparatus
Broader Term: telephone accessory
Scope Notes: An interface device for coupling electrical signals (e.g. from a computer system) by acoustical ...
Plural: acoustic screens
Broader Term: furniture
Scope Notes: Screen for telephone use in noisy situations.
Plural: acoustic telegraphs
Broader Term: telegraph system
Narrower Terms: blown telegraph  struck telegraph  
Scope Notes: Class of telegraphs in which sound or physical vibration is used to carry text messages. Examples ...
Plural: acoustic telegraph terminal apparatus
Top Term: terminal apparatus
Scope Notes:
ADSL filter
Plural: ADSL filters
Use: DSL filter
Definition: A filter installed between analog devices (such as telephones or analog modems) and a conventional (POTS) telephone line, in order to prevent interference between such devices and an ADSL (asymmetric digital subscriber line) service operating on the same line.
Plural: aerial cabling units
Top Term: transport
Scope Notes:
Plural: aerial wire binders
Top Term: street furniture
Broader Term: overhead line fitting
Plural: aerial wire tapes
Top Term: street furniture
Broader Term: overhead line fitting
Plural: aerial wire tensioners
Broader Term: overhead line tool
Narrower Terms: draw vice  
Scope Notes: Hand tool used to hold aerial wires and pull them tight to the required tension.
Aircraft warning light
Plural: Aircraft warning lights
Use: mast light
Plural: alarms
Broader Term: built work fitting
Narrower Terms: fire alarm  
Plural: alarm indicator lamps
Broader Term: switchboard component
Scope Notes: Lamp unit for indicating line or circuit faults.
Plural: amplifiers
Broader Term: transmission equipment
Narrower Terms: distribution amplifier  
Scope Notes:
Plural: analogue telegraphs
Broader Term: electric telegraph
Narrower Terms: Teleautograph  Telewriter  
Scope Notes:
Plural: answering and recording machines
Top Term: terminal apparatus
Plural: answering machines
Top Term: terminal apparatus
Plural: antennas
Broader Term: transmission equipment
Narrower Terms: mobile phone antenna  satellite antenna  
Scope Notes:
Plural: antenna supports
Top Term: built work
Scope Notes: A mast or tower, the primary purpose of which is the support of one or more antennas.
Plural: anti-cramp keys
Top Term: terminal apparatus
Broader Term: morse key
Scope Notes: Form of morse key designed to reduce incidences of Telegraphist's Cramp.
Plural: A-poles
Top Term: street furniture
Broader Term: telegraph pole assembly
Plural: apparatus racks
Broader Term: rack
Plural: armoured cables
Broader Term: cable
Scope Notes:
Plural: arm-seats
Top Term: street furniture
Broader Term: pole fitting
Scope Notes: Used on sheet-steel poles.
Official Title: Arm-seats
asymmetric digital subscriber line filter
Plural: asymmetric digital subscriber line filters
Use: DSL filter
Definition: A filter installed between analog devices (such as telephones or analog modems) and a conventional (POTS) telephone line, in order to prevent interference between such devices and an ADSL (asymmetric digital subscriber line) service operating on the same line.
Plural: attack warning broadcast system
Broader Term: warning broadcast system
Scope Notes:
Plural: attack warning broadcast terminal equipment
Top Term: terminal apparatus
Scope Notes:
Plural: audible telegraph receivers
Top Term: terminal apparatus
Broader Term: telegraph receiver
Narrower Terms: Bright's Bell  sounder  
Scope Notes: Device for receiving telegraph messages and converting them to sound.
Plural: audio conferencing
Broader Term: conferencing system
Scope Notes:
Plural: audio transformers
Top Term: common component
Broader Term: common component
Scope Notes:
Plural: auto-manual exchange equipment
Plural: automatic diallers
Top Term: terminal apparatus
Scope Notes:
Plural: automatic exchange telephones
Top Term: terminal apparatus
Broader Term: telephone instrument
Scope Notes: A telephone having an automatic signalling facility, typically employing a dial or keypad.
Plural: automatic telegraphs
Broader Term: electric telegraph
Scope Notes:


Click here to return to thesaurus home page

fun and games

Can you beat our games? Explode equipment to see what's inside, hear the changing sounds of telecommunications, see how telecommunications designs have changed over time or send an e-postacard.

what's on

The UK's first permanent gallery dedicated to the history of information and communication technologies opens in the new Information Age gallery at London’s Science Museum.

audio history

Take a trip down memory lane with extracts of the interviews which have been recorded as part of the Connected Earth oral history programme.

featured story

100 years of automatic switching!
In 1912 the GPO installed Britain's first automatic telephone exchange in Epsom.

Discover the early days of the telephone...