Those who install Category 5 unshielded twisted-pair cabling systems are often called upon to verify link performance before they hook up the active equipment in a local area ...
MW9070A mini-optical time domain reflectometers have been enhanced by a visual light source, multimode module and floppy-disk drive. When connected to the source fiber, the visual...
The Quick Term 2 connector is available for singlemode and multimode. An adhesive material secures the fiber while a three-step crimp process secures the buffer, strength member...
Model D410 pocket fiber-optic tester fits in a shirt pocket. A bar graph indicator measures absolute optical power in 2-dBm steps. Available with ST or SMA connectors, the tester...
BNC 75-ohm connectors include straight plugs, inline and mounted jacks, and bulkhead receptacles and adapters. They are used for 75-ohm telecommunications broadcast and computer...
This optical time domain reflectometer kit contains test equipment that offers full fiber analysis, real-time averaging, event zooming, signature overlay, two- point analysis ...
The 1995 Fiber-Optic Supplies & Equipment Catalog features 1310-nanometer laser light sources, deluxe power meters that offer six wavelengths, from 670 to 1550 nm, and the fiber...
Series 7100 fiber-optic power meters measure the absolute power of light from a fiber-optic cable. They feature two-button operation and a large liquid-crystal display. The meter...
These fiber-optic distribution and termination shelves have 19-inch rack systems and are available in heights of 1.75 and 3.5 inches, with depths of 8.6 and 14.2 inches. Rear ...
Supra-Grip nylon pre-insulated disconnects are available for a wire range from #22 American Wire Gauge to #14 AWG and feature a funnel entry metal insulation grip for applications...
The OnlineFCM FDDI copper module connector uses existing unshielded or shielded twisted-pair cabling. It includes eight RJ-45 connectors, supporting link distances to 100 meters...
Patch-panel adapters for 110 blocks are available in 568A and 568B pinouts. Each snaps snugly on the block and provides a female RJ-45 jack for access. The adapters are moveable...
Bar Codes labeling systems offer permanent pressure-sensitive backing to facilitate installation. The labels can be attached to aluminum mounting plates with pre-punched holes...
Quickport patch panels supports data, voice and video applications. Modules include voice-grade jacks, Category 5 jacks and connectors for coaxial and fiber. Features include ...
Series SK strut clamps break in half to fasten 0.5-inch through 4-inch conduit to most struts with a screwdriver, standard wrench or nutdriver. The one-piece/two-piece construction...
Orion surge suppressors offer protection from transient voltage damage to equipment and electrical systems. They withstand high peak surge current, 40,000 amperes per mode and...
Ped-con signal reference grid connectors are grounding devices for raised-floor applications that accommodate 3/4-inch-square or 1-inch-round pedestals. These straight-feed-through...
Smart 750 RM and Smart 1250 RM rack-mount UPS systems are for installation in standard 19-inch equipment racks. Each features eight alternating-current outlets, detachable rack...
This network cable catalog describes Ethernet, coaxial transceivers/drops, token ring cables, "A" specifications cables, and twisted-pair cables to Category 3, 4 and 5. Also featured...
Devicebus cables operate in factory communications networks that connect such plant floor devices as sensors, pushbuttons, proximity switches, motor starters and drives to the...
Permasert mechanical fitting requires no special tools and the couplings use a slotted, tapered collet to grip the tubing. The collet increases the grip pressure on the tubing...
This kit contains gauges that let you check ferrule hole sizes by inserting the appropriate color-coded gauge into the ferrule. The gauges can be used on various types of fiber...
Installers and users of high-speed unshielded twisted-pair cabling systems will soon be faced with two standards for testing. IS-11801, the new international standard from the...
At a recent ceremony in downtown Boston, a major cable and component vendor presented the management information systems manager of a state agency with a certificate that guaranteed...
When installing an unshielded or shielded twisted-pair cabling system in any environment, some general installation practices must be observed concerning placement of cable and...
When a problem arises in a fiber-optic network, the source can usually be traced to human intervention. If your network goes down because of a break in a fiber cable or a defect...
A customer`s existing cabling plant for data communications is commonly wired using RS-232 data cabling with RJ-12 six-conductor wallplates and the Uniform Service Ordering Code...
Q: I am a telecommunications manager with the military, and we are planning the installation of a new building distribution system for our headquarters building. We plan to install...
Today, users not only need connectivity testing but also performance testing to ensure that a link will support high-bandwidth applications. To allow contractors to test links...
To meet Category 5 requirements for terminating an unshielded twisted- pair cable insulation displacement connection, installers must follow the guidelines in the Electronic Industries...
Standard nylon cable ties that are stock items with most telephone companies and cable contractors can be cinched snugly to cable bundles without damaging the cables; however,...
There has been endless confusion about what defines the speed in high-speed networks. Here we will explain the difference between megahertz and megabits, as well as define the...
A link includes the cabling elements--cable and termination hardware--of the horizontal and backbone subsystems up to, but not including, the equipment cords. Transmission testing...
Q: I read with great interest Richard Csontos`s letter asking about T568A versus T568B and your response in the November 1994 issue. Historically, our company has used T568B.
Your encouragement to form associations for licensing legislation (September 1994, page 3) is contradictory to history and market forces that have made the telecomunications industry...
Although manufacturers of connection devices continue to develop better products, the task of terminating communication cables is still challenging. In some cases, however, an...
Another factor affecting quality that Oliver likes to stress is Comlink`s well-trained employees, including a network design team of five registered communications distribution...
Installers of premises and campus-wide communications systems face constantly evolving standards, products and technology. Keeping pace with these changes requires access to current...
Comlink focuses on continuous quality improvementClick here to enlarge imageWhen you have installed 10,000 feet of cable: How much copper did you waste? How much Teflon did you...
Early in its history, Comlink was only a cabling company. "We would terminate cable and subcontract to companies like IBM, Digital Equipment Corp. and Data General," says Oliver...
Since 1989, total quality management has been supported by senior management at Comlink. The company emphasizes testing: from pretesting equipment before installation through ...
Designers and installers of cabling systems do not manufacture products--they do, however, sell a service. And to succeed in the telecommunications industry, with all of its standards...
The Re-enterable Pre-stretched Tubing dome closure provides an air- and water-tight seal to protect cable splices from the harmful effects of the environment. The closure consists...
DominoLAN and DominoWAN operate under a Microsoft Windows-based user interface that runs on a standard notebook personal computer. They decode Ethernet and token ring local area...
The "Couplers, Switches & Isolators" video is one of a series of training tools for manufacturers, designers, instructors and technical sales organizations. It provides information...
Model DXB3 coaxial testers check for cable continuity, opens or shorts. They feature automatic shut-off when the cable is removed: These testers are powered by an internal 9V ...
The Slimau-16 multi-station access unit is a passive concentrator that connects 16 workstations to 4- or 16-Mbit/sec token ring networks. Each port features a status LED indicator...
