Telephone Line
Verification of telephone line or circuit signal quality and integrity.
See Also: Telephone Line Test, Central Office Switch
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Product
Line Tester
CAT 1 TEST
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Monacor International GmbH & Co.
Line tester for continuity testing of Cat 5, Cat 6 and ISDN network cables*Connection test with LED display for 8 individual wires and shielding*Continuity, miswire, open, short, crossover, and ground detection*Connector compatibility with the following modular plugs: RJ45 (8P8C), RJ12 (6P6C), RJ11(6P4C, 6P2C)*Network standards supported: Token Ring, 10Base-T, 10Base-T2, 285A, TIA568A/568B*Separate receiver for particularly long and complex cables*The main unit and separate receiver can be attached to one another using a guide rail on the side*Power supply via 9 V block battery (not included)*Supplied with protective bag
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Product
LAN and telephone wiring testers
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Measurement and analysis instruments for the deployment of telephony networks, Ethernet, and generally telecommunications networks via copper cable.
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Product
AC Line Separator
Model ALS-1
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Kusam Electrical Industries Limited
With the aid of the AC line separator, the AC current from any appliance can be determined by plugging the appliance directly into the separator. By doing so, you are able to separate the neutral from hot / live conductor.
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Product
Fixed/Dual Delay Line
Series 1000
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The EOX Series 1000 RF/Microwave Time Delay System is an economical, high performance, turnkey solution for radar test, wireless communications, Wi-MAX, and altimeter applications. The Series 1000 features ultra wide bandwidth, low loss, high isolation, low noise figure, and high dynamic range. Available with time delays up to 250 µsec and a top end frequency of 18 GHz.
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Product
Line Testers
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GAOTek provides a large collection of certified and feature-rich line testers for sale to the United States, Canada and Globally. These devices are mainly used for line installation, line performance testing, inspection, and maintenance of the telecommunication networks. They are particularly designed to accelerate telecom trouble shooting and with the help of latest technology they are equipped with a smart CPU, IC, and SMT. These devices have some unique features such as caller ID display and last number redial. Moreover, it can also be used for multi-line testing, wire pair checking, inspection of line insulation and test for breaks and faults.
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Product
Microwave Delay Line
E3001
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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.
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Product
AC Line Splitter
1937
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Peaceful Thriving Enterprise Co Ltd
The AC line splitter is a helpful testing device for electrician. Electrician can measure the current with clamp meter through the X1 and X10 measuring rings. X1 is 1:1 measurement, and X10 is ten times (1:10) of the actual current, which is helpful for small current measurement. This device also combines the function of socket tester and GFCI tester, which means electrician can use this tester to test socket and load at the same time.
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Product
Fixed Telephone Communication
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PBE provides Fixed Phone Voice Communication for safe, efficient and reliable underground operation.Two-way voice communication underground is a necessity to provide a safe and productive work environment. PBE offers a number of fixed phone solutions that can be deployed to provide secure voice communications. Solutions can be analogue or digital and be either stand-alone or integrated into PBX and mobile infrastructure.PBE Fixed Telephones provide clear and undistorted communication throughout the entire underground phone system. PBE telephone networks are compatible with other analog and VoIP phones on the market today which allows to combine different products for a complete communication system above and below the ground.
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Product
PLC Line Drivers
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Renesas' PLC line drivers are commonly used in broadband HomePlug (IEEE 1901.1) and G.hn (ITU-T G.9960) applications, as well as narrowband PRIME and G3-PLS applications (CENELEC-A).
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Product
Subsystems And Line Cards
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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.
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Product
Line Mounted Detector of PtG and PtP Faults in Line Networks
LineTroll 110EμR
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The indicator is powered by replaceable long-life lithium batteries which have a life expectancy of 10-15 years. It provides a 360 degree visibility for indication both for transient faults and permanent faults.
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Product
For accurate testing of headphones, microphones telephones and loudspeakers
Artificial Mouths, Ears, and Couplers
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Listen supplies artificial mouths, ears and ear couplers from Brüel and Kjær, GRAS and more.
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Product
Hipot Line Testers
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The newest product of our Hipot Line Testers, the UL Listed HT-S series hipot now comes with an adjustable ground continuity test in range of 0.08 - 1.50 , and Auto-offset for test leads up to 1.00 . Performs 0-2000 AC Hipot Test. Neutral/Hot to Ground Leakage current test up to 20 mA AC. Easy to use and connect. Ships complete with cables, manual, and a Calibration Certificate.
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Product
Line Powered Level Switch
ThePoint
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ThePoint Line Powered provides a relay output switch and has hazardous area approvals making it a good choice for most of your point level application requirements. ThePoint sensing element offering is suitable for most temperature, pressure, and material types.
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Product
Load-to-Line Jumpers
200
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TESCO’s Load-to-Line Jumpers (Catalog No. 200) allows the utility to perform meter maintenance without interruption of service to the downstream occupant. TESCO bypass jumpers are rated for 200 amps continuous duty and are made from a durable 1/8″ thick tin-plated copper with a durable insulating material covering everything except the blades.
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Product
TinyUSB Line Camera
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The TinyUSB Line Camera 3301 is a low cost board-level 102-pixel line scan camera with an 8-bit resolution.
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Product
Production Line Test System
1740
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The fully programmable Model 1740 facilitates high speed, production line testing in both automated and manual applications. Standard tests include AC Hipot, DC Hipot, Resistance, patented Tang-Weld Resistance and Surge. Robust software offers automatic setup of all test parameters, complete result storage, Go/No-Go testing requiring no operator judgment, and online statistics for all tests.
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Product
Line Loop Tester
8455
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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.
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Product
Fault Passage Indicator for Lines
LineTroll R400D
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LineTroll R400D Fault Indicator indicates earth- and short-circuit faults and can distinguish between permanent and transient faults. The indicator has two sensors and use both the electrical field and the magnetical field to detect faults on all three phases.
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Product
Line Post Sensors
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These products are designed for distribution circuits only at their rated capacities. They cannot be field modified for capacities other than what was shipped with the units.
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Product
Line Splitters
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Precision Mastech Enterprises Co.
Allow for safe, accurate current measurements using a clamp-on ammeter without damaging or stripping the appliance's power cord.
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Product
Party Line Intercom Conversion
COMMS Series
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The stand-alone COMMS 300 and the OG-COMMS openGear® units provide a means to interface between two channels of 2-wire party-line intercom audio and two channels of 4-Wire analog line-level signals. The unit is capable of performing auto nulling for each channel with the push of a button. In addition, each of the 4-Wire input and output channel levels are monitored and displayed on easy to understand front panel VU meters.
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Product
Single-in-Line Reed Relays
Series 113
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SIL relays - Requires a small area of only 0.15 x 0.5 inches (3.8mm x 12.5mm). 10 Watts Form A or 3 Watts Form C switches. Smallest Form C reed relay
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Product
High-Speed Optical Delay Line
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The Peregrine Optical Delay Line (1-cm, 60 ps delay) and the Gyrfalcon Optical Delay Line (2-cm, 120 ps) are high-speed, high precision, voice coil motor optical delay lines. They have zero-backlash and no hysteresis. Both have similar form factors that are compatible with 30-mm cage components and 1.035” – 40 threads. Both include full digital and analog control and include a USB interface.
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Product
Panorama Line Solutions
ASYMTEK
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Nordson ASYMTEK designs automated conformal coating line solutions to fit your production process. Every Panorama™ line we build, includes the right balance of equipment and process control for optimal coating efficiency.
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Product
Pluggable Optical Line System
POLS
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Use our compact pluggable modules to provide up to 8 DWDM channels to enable high-capacity optical inter-datacenter links for internet service and cloud hosting providers.
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Product
Handsfree Telephone Communication Tester
TestPhone 850
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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.
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Product
USB Line Camera
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The USB Line Camera is an easy-to-use cost-effective board-level line scan camera. It consists of two circuit boards, the main circuit board and the sensor circuit board.
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Product
Line Monitor
LE-120SA
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LE-120SA is a handheld line monitor specialized for ASYNC communication which is widely used in the industry. You can control the line monitor by soft screen touch as you do for smart phones. The light weight (300g including batteries) helps you for the field maintenance besides the system developments.
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Product
RS-232 Auto Powered Line Driver
Model 201
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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.
