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Telephone
convert voiced sound to an electric signal for transmission over a network.
See Also: Phone, Telephony, Geophones, Headphone, Hydrophones, Microphones, DTMF
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Dual Mobile Communications DC Source
66309B
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.
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Line Tester
LT51
The LT51 Line Tester is a portable handheld battery powered instrument for Data, DSL, Telephone, Voice Copper Line testing. It combines the features of several pieces of test equipment such as a Level Meter / Spectrum Analyser, Distortion Analyser, Oscillator, Handheld DMM and TDR in the one small lightweight package.
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Split-box Pipe & Cable Locator
Weshine Electric Manufacturing Co., Ltd
Pipe Locator is specially designed to detect pipes, sondes, telecommunication lines buried utilities. This device may detect buried power cables, CATV cables, gas and water pipes, sewer lines, telephone cables, fiber optic cables with sheath, sondes, inspection camera transmitters. The Transmitter emits a signal.
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Telephone Line Monitor
AI-5120
The AI-5120 is a compact device designed for monitoring and analyzing signals present on the telephone line. By sensing the voltage present on the telephone line it detects and measures ringing, DTMF & pulse dialing, FSK (Bell 202 and V.23) signals, line polarity reversals, and open switching intervals (OSI). Working in conjunction with the TRsSim software on a PC, the AI-5120 becomes a valuable tool in analyzing and debugging Caller ID and SMS (Short Message Service) data transmission. Like an oscilloscope, it can capture and display waveforms showing various signals present on the telephone line.
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Service Telephone for POTS / Analog Line
1TA701
Test Phone is self-powered, portable telephone test set for use by servicemen that are providing installation, maintenance and repairs of the terminal telecommunication equipment. Test Phone is intended to be used in normal environmental conditions.
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Test Set
TS® 22
The TS22 Test Set’s unique built-in one-way amplified speaker provides three audio levels for hands-free listening and use with automated voice response systems. Multiple memories enable storage of nine 18 digit telephone numbers in repertory dialer (speed dialing) for easy access to test boards, the central office and other frequently called numbers. The last number redial feature eliminates the need to re-key your last entry. The TS22 Test Set offers an unbeatable combination of reliability, durability and expanded utility.
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Handshake & Data Analyzer
LineScope
LineScope enables non-intrusive monitoring of modem communicationsover the telephone line. LineScope is aimed at V.22bis modem integrators,dial-up POS application developers and telephony gateway engineers.
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Structured Wiring
Structured wiring refers to a whole-house network of audio, video, data, telephone, television, home automation or security signals. This wiring can be installed when a home is being built. It may be put in during a remodel. Structured wiring can also be added on its own.
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Network Management
Neuron System
Integrated management: Displaying current status of optical cable installation and location of fault using GIS - Facility management: Establishment of database as to the information of such physical communication facilities as communication device, cable, manhole, and telephone pole.- Recovery management: Enabling quick recovery by sending maintenance personnel to exact location in the event of fault.- Preventive management: Providing preventive measure against fault by prediction of fault due to heat deterioration of optical cable.
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Acoustic Transducer
RESON TC 1026
Ideal for taking long or short baseline measurements, the TC 1026 is a powerful communications transducer for transponder, telephone and acoustic telemetry systems.
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Manikins for realistic simulation of the acoustic properties of a human
Head & Torso Simulators
If you need to carry out realistic in-situ measurements of headphones, telephones or hearing aids, you need a Head and Torso Simulator such as the B&K ‘HATS’ – Type 4128D or GRAS’ Kemar to complete your test setup. These manikins have built-in ear and mouth simulators that provide a realistic reproduction of the acoustic properties of an average adult human head and torso. They are commonly used for tests on telephone handsets, headsets, audio conference devices, microphones, headphones, hearing aids and hearing protectors. Please contact your sales engineer or email sales@listeninc.com for more information.
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Telecommunication Networks
Switching systems are the nerve centre of any telecommunications network, providing interconnectivity for the various users of the network. Sri Comm has been very active in this core component, installing over 40 telephone exchanges throughout the country since 1975. Various types of exchanges including electromechanical, ESK and stored programme or computerized exchanges have been installed over the years. In total some 400,000 subscribers have benefited from these projects. More recently, systems incorporating technologies involving DDN, AN and FMK systems have also been implemented.
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Production Caller ID Signal Simulator
AI-80
The AI-80 is a fully programmable stand alone Caller ID signal generator designed for production environments. It is capable of generating signals for all FSK and DTMF based Caller ID standards. Includes general telephone signal analysis features and a highly flexible programming language for sophisticated and complex production testing sequences.
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VDV & USB Cable Tester
PK-2016/2016R
The VDV & USB cable tester is designed for testing today’s media computer networks which combination of telephone USOC (voice), twisted pair (data) and coax security / alarm (video) as well as PC-USB 2.0 3.0 cables.
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Telephone Line / Load Analyzer
TLLA-2500 Pro
Detects and Alerts the user of almost ANY Telephone Wiretap (Tap), even from the Telephone Central Exchange (REMOBS), with the added ability of defeating common types of wiretaps.
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Telephone, Exchange & DSLAM Tester
ETET 30
Exchange, Line, Phone, ADSL/VDSL DSAM test, Modem detection.
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Telephone Test Sets
Telephone test sets are a standard among telephone linemen. For the past 100 years, a test set’s functionality hasn’t changed much. Times are changing, networks are changing and now butt sets are changing. No longer are they single-purpose tools but are evolving into full-fledged, multi-functional test sets. Enter Fluke Networks’ newest line of VDV (voice, data and video) telephone test sets. We’ve taken the best features from our existing line, added new technology and totally redesigned them to lighten up your tool belt.
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Cable Verifiers
VDV II Series
The new VDV II Series are easy to use cable testers that check the integrity of copper cables commonly found in domestic, commercial or industrial voice, data or video installations, including telephone wiring, data network and video/security cabling.
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Passive FTTx
Shenzhen Wiitek Technology Co.,Ltd
Fiber to the x (FTTX; also spelled "fibre") or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications. As fiber optic cables are able to carry much more data than copper cables, especially over long distances, copper telephone networks built in the 20th century are being replaced by fiber.
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Dual Mobile Comm DC Source w/ Battery Emulation, DVM
66319D
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.
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Public Switch Telephone Network Tester
295B
The Testphone 295B is a test telephone designed for use on Public Switched Telephone Networks (PSTN). It is designed for use on both Dual-tone Multi-frequency (DTMF - tone dialling) and Loop Disconnect (LD - pulse dialling) lines. Fitted with an integral ADSL filter, the telephone will not cause interference when connected to ADSL/Broadband lines in either `on hook` or `off hook` mode.
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DC Insulation Testing
Weshine Electric Manufacturing Co., Ltd
Cable harness tester is used for test and measure wire cable harness,wire harness, like as : auto cable, audio cable, power cable, network cable, telephone cable, USD cable, HDMI cable,video cable, etc. .
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RF Amplifier
SA812
Hangzhou Softel Optic Co., Ltd.
SA812 860mhz CATV outdoor trunk amplifier are mainly used for Bidirectional trunk transmission for CATV television image signal, digital TV signal, telephone voice signals and data (or compressed data) signal.
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Cable Detectors
PeakTech Prüf- und Messtechnik GmbH
This cable detector works acoustically and offers a quick and inexpensive solution to find voltage-free lines in the house installation, to test telephone lines, to identify individual cables / wires or to carry out a continuity test.
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Compliance Testing
American Environments Co., Inc.
The American Environments Company, Inc. (AECO) provides comprehensive compliance testing services. Our laboratory is fully equipped to provide Electromagnetic Testing, Environmental Simulation Testing and Dynamic Testing. Compliance requirements are related to the marketplace being serviced. AECO provides compliance services for: Products Exported to Europe, FCC, Telephone Network Equipment and Medical Devices.
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Doorbell And Telephone Detector
ELK-930
he ELK-930 performs three functions. It can detect ring activation from one or two doorbell buttons and a single telephone line. It conveniently isolates the voltage and current and produces an open collector (pull to ground) output which can be used to trigger an automation controller, relay, timer, etc.
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Solid-State Demand Recorder
SSR-6000
The TransData SSR-6000 is a Load Profiling Interval Pulse Data Recorder used for recording and profiling pulse data received from electricity, gas and/or water meters. The SSR-6000 features a cover-mounted optical port and remote communications via integrated digital cellular, ethernet, telephone modem or RS232 communications options; and includes totalizing capability for aggregated metering applications.
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Dual Mobile Communications DC Source w/ DVM
66309D
The Keysight Mobile Communications DC Source 663xx series offers several features ideal for testing wireless and battery powered devices. Excellent voltage transient response ensures maximum test-system throughput by minimizing device shutdowns due to significant voltage drops in the test wiring. Built-in advanced measurement system to accurately measure battery current drains when the device operates in different modes and a Keysight-developed feature that enables cellular telephone manufacturers to detect permanently and intermittently open-sense wire connections.The Keysight 66309D dual output mobile communications dc source provides two outputs for testing both the main battery power and the battery charger circuitry, allowing customers to test phones and chargers with the same equipment. This feature helps save on rack space (2 outputs in a half rack box) and eliminates the need for two separate power supplies.The 66309D dc source provides all of the capabilities of the 66309B with the addition of a built in digital voltmeter.
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Countermeasures Amplifier
CMA-100
CMA-100 Countermeasures Amplifier is a high gain audio amplifier used to detect and identify certain types of surveillance devices attached to building wiring such as telephone wiring, LAN and server systems, AC power, and alarm wire. The CMA-100 Countermeasures Amplifier functions employ a sophisticated automatic gain control circuit that is superior to most audio amplifiers.
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Central Office Line Simulator
AI-7280
The AI-7280 is a highly flexible central office line simulator. It is designed primarily for the testing and verification of common terminal equipment, including standard telephones, Caller ID devices, SMS (Short Message Service) capable equipment, and any device using an analog Tip/Ring interface circuit. Supplied with the TRsSim software for Windows, it can analyze a telephone''s DTMF characteristics, pulse dialing and flash timing, generate various network tones and ringing patterns. Both Type I (on-hook) and Type II (off-hook) Caller ID is supported using either FSK or DTMF data transmission. As an optional component, the TRsSim software can perform SMS testing to either the ETSI protocol 1 or protocol 2 standards.
