Telephone Line
Verification of telephone line or circuit signal quality and integrity.
See Also: Telephone Line Test, Central Office Switch
-
Product
RCD Loop Line
-
Digital measuring instrument for RCD testing with Loop and Line resistance measurement also without tripping the RCD.
-
Product
Power Line Transceivers
-
Since the early 90s, ST is committed to supporting advances in narrow-band power-line communication (PLC) technologies that are now largely adopted by Automatic Meter Reading (AMR) and Automatic Meter Infrastructures (AMI) solutions at the heart of the Smart Grid concept.
-
Product
Line Injector
J2120A
-
While the injection transformer is a very wideband adapter, it is not useful for measuring ripple rejection (PSRR) of a power supply or even an opamp. This is because the attributes that make the injection transformer perform so well also result in a transformer that is intolerant of DC current. Even very small DC currents (5mA or less) can greatly reduce the signal capacity or even totally saturate the transformer. For this reason, the Picotest line injector (J2120A) is another essential test adapter.
-
Product
xDSL Line Qualifier
ELQ 2+
-
2,2 MHz Test Set for the qualification of ADSL & SHDSL lineswith data rate calculation. TDR & Bridge for cable fault location.
-
Product
Microwave Delay Line
E3001
-
The E3001 / Microwave Delay Line is a high performance turnkey solution for radar and communications market. With three selectable delays the E3001 allows for ultra wide bandwidth, low loss, high isolation and immunity from EMI and EMP with time delays up to 100 msec at frequencies from 0.1 to 6 GHz.
-
Product
Handsfree Telephone Communication Tester
TestPhone 850
-
The TestPhone 850 provides both handset and handsfree telephone communication. The product provides a standard Public Switched Telephone Networks (PSTN) interface, user interface and handset and/or handsfree vocal interface to allow the user to originate or answer standard PSTN calls on both Dual-tone Multi-frequency (DTMF - tone dialling) and Loop Disconnect (LD - pulse dialling) lines. In addition the product features on-hook audio line monitoring, PSTN line polarity indication, automatic on-hook/power-off and integral ADSL digital line filtering.
-
Product
Line Automation Equipment
5000 Series In-line Handler
-
The Circuit Check 5000 Series In-line Handler is an integrated inline solution that combines automation, fixturing and measurement hardware in addition to other in-line PCBA probe based test stations, while adding a standardized quick change fixture interface. The 5000 series in-line is a unified solution that is software and hardware agnostic, enabling adaptability to a variety of off-the-shelf lower cost ICT, flash and functional test software and hardware.
-
Product
Single-in-Line Reed Relays
Series 112
-
SIL relays - 0.15 inch wide x 0.4 inch long package.Pins on 0.1 inch pitch - Compatible with Pickering Series 110 & 111
-
Product
Subsystems And Line Cards
-
Eliminate your risks, lower your costs, and improve your system performance by partnering with a respected world leader in custom line card and subsystem solutions.
-
Product
Transmission Line Pulse Testing
-
Transmission Line Pulse testing, or TLP testing, is a method for semiconductor characterization of Electrostatic Discharge (ESD) protection structures. In the Transmission Line Pulse test, high current pulses are applied to the pin under test (PUT) at successively higher levels through a coaxial cable of specified length. The applied pulses are of a current amplitude and duration representative of the Human Body Model (HBM) event (or a Charged Device Model – CDM – event in the case of Very Fast TLP, or VF-TLP).
-
Product
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.
-
Product
Telephone Attenuators & RFI Filters
-
Despite the growth in digital and fiber systems, many telephone companies still require basic line treatment products. Wilcom's hard-to-find line treatment products help the telecommunications industry deliver the performance the customer expects. Products include line powered amplifiers and RFI filters.
-
Product
Line Impedance
KIT
-
The Line impedance kit is composed of two modules, STLG and STSG. The kit is meant to be used with STS 5000, STS 4000 and eKAM in order to perform Line Impedance test.
-
Product
Line Input Test
-
Measure the dB level and frequency of the iAudioInterface2 line input or line output (also works with any dock input audio source).
-
Product
Advanced Line Protection System
ALPS
-
ALPS is a multi-function digital protective relay system intended toprovide distance protection for HV or EHV transmission lines. It maybe applied on or adjacent to series compensated lines. It is availablefor single or three phase tripping applications. Typical operatingtimes are to 1 cycle.
-
Product
Transmission Line Testers
-
GAOTek provides affordable, safe and reliable transmission line testers, digital clamp meters and power meters for sale to the United States, Canada and Globally. A transmission line is a specialized cable designed to conduct alternative current of radio frequency. Transmission lines are used for connecting radio transmitters and receivers with their antenna to distribute signals.
-
Product
Electronic Line Stretchers
-
Simplify VCO measurements with controlled phase shifts from 180 to 1300 MHzOver 360° phase shift of the reflected signalNormalized and stable magnitude of the reflected signalVoltage controlled for automated applications
-
Product
Line Leakage Tester
LineCHECK II
-
Designed for Automated Test ApplicationsFull Compliment of Automation InterfacesComplete Line Leakage Testing SolutionEnhanced Graphic LCDCompatible with Scanning Matrix for Patient Lead TestingContinuous Run FeatureSoftware CompatibleSafety Agency Listed
-
Product
Production Line Testing
-
Production line testing involves checking the quality of products as they leave the assembly line to identify any problems before they reach the customer. This improves customer satisfaction and helps minimize service & repair costs.
-
Product
OLP - Optical Line Protection
-
Nanning Xionghua Photonics Technology
OLP - Optical Line Protection by Xionghua Photonics
-
Product
Winkler ATEX Heated Sample Lines
-
Hazardous area ATEX heated sample lines from Winkler (Germany) for use in zones 1 & 2 (gas) and zones 21/22 (dust). These are specialist heated lines for gas sample handling and process applications, manufactured from high quality, tested and approved materials.
-
Product
Programmable Delay Line Instrument
XT-200
-
Built using the same technology that made Colby a trusted name, today the XT-200 stands as our flagship product. The XT-200 utilizes not one but two of Colby's patented trombone to offer precise programmable delay or phase shift for dual-channel requirements.
-
Product
RS-232 Auto Powered Line Driver
Model 201
-
FEATURES: Operates with only Pins 2(TD), 3(RD), & 7(GND); Screw Terminals and RJ-11; DTE/DCE Switch; Built in Surge Protection; Male or Female RS-232; 19.2 KBPS, Full Duplex, 2.1 Miles. The Model 201 RS-232 Auto Powered Line Driver requires only TD, RD, and signal ground for power and full duplex operation up to 19.2 K BPS.
-
Product
Pacific Power Source line
ACX Series
-
Power conversion is achieved by high frequency pulse width modulation, resulting in cool, quiet and efficient operation. The 118-ACX is ideal for AC test, frequency conversion, laboratory and bench-power applications. Equipped with the UPC-1 programmable controller, the 118-ACX becomes a powerful AC Power Source and Power Analyzer for today's testing needs.
-
Product
Programmable Delay Line Instrument
XT-100-OEM
-
With the XT-100-OEM, all the capabilities and precision of the XT-100’s trombone technology can be built right into your own system. This product is intended primarily for OEM applications so you have a streamlined solution for precision phase shift or programmable delay.
-
Product
Power Transmission Line Inspection System
-
Shandong Senter Electronic Co., Ltd
With the aid of high-end technology and equipment, Senter Electronic manufactures and trades high-tech power transmission line inspection system with low price. And we are known as one of the leading such manufacturers and suppliers in China for our quality products and good service. Welcome to buy the power transmission line inspection system with our factory.
-
Product
Line Loop Tester
8455
-
Simpson?s Model 8455 Line Loop tester detects line shorts, opens and multiple ringers, DC voltages and loop resistance. It can measure DC voltage up to 100 volts and loop resistance to 2 megohms. A front panel ?reverse polarity? switch allows changing polarity positions quicker and easier than manually switching test leads when making line checks.
-
Product
Broadband Digital Signal Delay Lines
-
Advanced Science and Novel Technology, Co., Inc.
Broadband (DC-32Gbps / DC-17GHz) tunable clock/data phase shifterDelay adjustment range of 265psExhibits low jitter and limited temperature variation over industrial temperature range1GHz of bandwidth for the phase adjustment tuning portFully differential CML input interfaceFully differential CML output interface with 600mV single-ended swingLinearized data output for minimized undershoot/overshootSingle +3.3V or -3.3V power supplyPower consumption: 1WFabricated in SiGe for high performance, yield, and reliabilityCustom CQFP 24-pin package
-
Product
PRO Banjo Pro Line Tester
TC-BJ100
-
The Banjo Pro features convenient testing in both data and POTS environments. The black RJ45 plug is used for testing in eight conductor environments. "Just Flip It" to the red RJ11 plug for testing of two, four, and six conductor POTS environments.
-
Product
For accurate testing of headphones, microphones telephones and loudspeakers
Artificial Mouths, Ears, and Couplers
-
Listen supplies artificial mouths, ears and ear couplers from Brüel and Kjær, GRAS and more.
