Telephone Line
Verification of telephone line or circuit signal quality and integrity.
See Also: Telephone Line Test, Central Office Switch
-
product
Programmable Delay Line Instruments
The XT Series
Our most precise programmable delay line instruments featuring Colby's patented trombone technology
-
product
OverHead Lines Contact Voltage & Low Voltage Indicator
LVD-415
Standard Electric Works Co., Ltd
● No batteries required.● Every circuit is doubled.● Buzzer indicates voltage detected.● Led indicates voltage detected.● Neon scale indicates voltage.● Dual HBC fuses.● High grade fiber glass probes.● Super polished fiber glass.● High strength connecting cord.● Heavy duty rated.● Replaceable tips.● Choice of tips available.● Lightweight.● Small storage space.● Strong strength reliefs.● Double poles non-polarized.● Suitable for 45 to 70 Hz networks.● Contact detector type.● Passive circuitry.● Fiber glass 1.6mm - CU 35um PCB.● Super bright neon lights and LEDs.● Ergonomically-designed.● EN 61010-031 CAT IV 500V.
-
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
Test Line • Devices for measuring electrostatic charges
HAUG offers a wide selection of easy-to-use gauges. These are field charges with which electrical charges, fields and potential can be measured. The measured values show how strongly a surface is covered with an electrostatic charge.
-
product
End-to-End Flight Line Confidence Test Set
MEON™
MEON™ is an end-to-end flight line confidence test set for directional infrared (IR) countermeasures (DIRCM) and ultraviolet (UV) missile warning systems. It also incorporates an IR beacon and an IR detector to provide complete, end-to-end testing, alignment checks and calibrated radiometric measurement of DIRCM.
-
product
Automated Control System for Veneer Edge Gluing Line
Vikat
The automated veneer splicing line control system is designed to identify defective veneer areas, control the scrap trimming, bonding of suitable areas and the formation of output sheets of a given size.
-
product
AC Filament Switching and Line Relays
*Heavy duty Elkonite contact tips*AC and DC versions available*AC versions available with or without internal rectifier PCB*Automated vision system and operator inspection*Comprehensive automated end of line testing*Test Certificates supplied with each relay*Certificate of Conformity supplied with each order*Recertification and repair services available
-
product
PI Series Precision Line Infrared Camera
Experiencing real-time thermal images with a frame rate of up to 128 Hz, capturing and saving fast measurement results as snap-shots or video sequences or, thanks to the excellent thermal sensitivity, indicating even smallest changes in temperature – to only name a few of the many advantages.
-
product
Overhead Line Fault Locators
We're professional overhead line fault locator manufacturers and producers in China, supplying the best customized service. Feel free to buy high quality overhead line fault locator from our factory. All our portable products used in utility locations are with CE certification.
-
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
New Line of Frequency Synthesizers (Insight FS) from 36 to 1250 GHz
In the millimeter wave range, each synthesizer covers a full waveguide band (Q, U, V, E, W, F, D, G, Y, J). Insight FS provides several options for frequency and amplitude modulation (analog FM/AM modulation, frequency manipulation, pulses modulation). Insight FS are compact in size and controlled by IEEE, analog input, or manually.
-
product
PLC Line Drivers
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).
-
product
Coupling Decoupling Network for Communication Lines
CDN61000-5C
• Application Range: ≤4kV, 1.2/50us pulse, 8 wire unshielded twisted pair (UTP) • Test Voltage: Max 4KV, 2 kV (1.2/50 µs pulse when RJ45 connector is connected. Maximum test voltage is 1.5kV when RJ45 female is unconnected or auxiliary terminal is not protected.) • Coupling mode: 90V gas- discharge tube+250ohm Resistor/Each Wire, 8 Wires Simultaneously-Ground (Common Mode) • Input and output interface: RJ45 connector • Terminal layout (RJ45 connector): First pair of lines: pins 1/2 Second pair of lines: pins3/6 Third pair of lines: pins 4/5 Fourth pair of lines: pins 7/8 • Max. operating speed: 1000MBit/s • Max operating voltage: Max 50V DC • Max operating current: Max 1A Related Instruments
-
product
1500VA Line Interactive UPS,2U
EPSV-1500
1500VA EPSV Value Rack/Tower UPS provides real emergency power uptime with great features and benefits.
-
product
Programmable Delay Line Instrument
The XR Series
A selection of common step sizes that gives you the broadest signal delay range among all our products
-
product
OLP - Optical Line Protection
Nanning Xionghua Photonics Technology
OLP - Optical Line Protection by Xionghua Photonics
-
product
DMX Line Tester
DMXTSTR
The DMX Line Tester instantly displays the presence of +/- data on DMX lines and feed-through connectors. It serves as a perfect pocket sized tool for troubleshooting DMX512 cabling.
-
product
RS-232 Line Driver with Control Signals and LCD Display
Model 224
FEATURES: DataSpy® Status Display; Full Duplex & Handshake; Loopback & DTE/DCE Switch; DC to 19.2 KBPS; Supports DTR & DCD; Optically Isolated. The Model 224 RS-232 Line Driver with Control Signals and LCD Display provides for transmission of a handshake signal in each direction, in addition to communicating full duplex data up to 19.2 KBPS and providing complete optical isolation.
-
product
Line Scan Cameras
JAI’s extensive product offering includes color line scan cameras featuring prism technology with multiple CCD or CMOS linear sensors delivering high performance color/NIR imaging solutions for high-speed web/continuous applications such as print verification, tile inspection, food/fruit sorting, and more. Also monochrome line scan cameras with ultra fast scan rates.
-
product
Line Scan Camera
Linea
Introducing Linea, a CMOS line scan camera that can help you improve your imaging and lower your costs. Linea starts with an advanced CMOS sensor with high quantum efficiency and low noise for better images. Linea is also packed with advanced features to make your machine vision job almost effortless.
-
product
Line Drivers
The Asynchronous Line Driver (ALD-19.2) utilizes state of the art digital CMOS technology to provide a feature filled product at a very affordable price. The ALD-19.2 transmits and receives data bi-directional at data rates up to 19.2kbps. The unit is designed for asynchronous Point-to-Point operation.
-
product
EPON OLT ( Optical Line Termination )
OLT-1408
Hangzhou Huatai Optic Tech. Co., Ltd.
OLT-1408's Optical Line Terminal (OLT) adopts GiGA Ethernet Passive Optical Network (EPON) technology. It is a compact chassis with L2/L3 GiGA switching and routing function. All the functional components are modularized design and it supports hot-plugging with plugging and playing. 1~4 pieces of GiGA optical port or electrical port are optional in the uplink port, which provides a direct optical interface for the Ethernet/IP network core. 1~8 pieces of EPON optical port are optional in the down link port. Through a passive optical Network (PON), an optical Network unit link (ONU),it can provide final transmission with bandwidth up to 1Gbps for the user.
-
product
625 KHz Data Acquisition Multifunction (Analog Output X2 Lines) PCMCIA
DAQi616MF(MF236/i)
The DAQi616MF is a type II PCMCIA I/O card for notebooks and other computers containing a PCMCIA slot.
-
product
RS-232 Fiber Optic Auto Powered Line Driver
Model 9271
The Model 9271 RS-232 Fiber Optic Auto Powered Line Driver features a standard DB9 interface for maximum performance and reliability of data transmission over glass fiber, eliminating the need for serial to nine-pin adapters. In addition, it brings effective data communications to manufacturing environments. I
-
product
Dual-in-Line (DIL / DIP) Reed Relays From Pickering Electronics
Pickering Electronics Series 97 & 98 DIL / DIP Reed Relays feature the highest quality instrumentation grade reed switches making them suitable for the most demanding applications. They are available in two ranges featuring internal mu-metal magnetic screens.
-
product
RCD Loop Line
Digital measuring instrument for RCD testing with Loop and Line resistance measurement also without tripping the RCD.
-
product
Programmable Delay Line Instrument
XS-100
The XS-100 is designed for those who need faster switching speeds and measurements without interruptions
-
product
5uH Line Impedance Stabilisation Network LISN - CISPR 25
TBOH01
The TBOH01 5H LISN is a device required to setup conducted noise measurements of DC-powered devices. It is designed to be used for EMC pre-testing in the frequency range of 150kHz to 110 MHz.
-
product
SparkFun Line Sensor Breakout
QRE1113 (Digital)
This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems.
-
product
- RS-232 High Speed Line Driver with LCD Display
Model 227
FEATURES: DataSpy Status Display; Full Duplex to 5 Miles; Async, DC to 115.2 KBPS; Powered by TD; RJ-11 and Screw Terminals for the Line Interface; Built-in Surge Protection; Fully Compatible with Model 201 up to 19.2 K. The Model 227 RS-232 High Speed Line Driver with LCD Display provides full-duplex transmission from DC to 115.2 KBPS over two twisted pairs.





























