Jim Hayes

Fiber Optics Columnist and Freelance Writer

HAYES is a VDV writer and trainer and the president of The Fiber Optic Association. Find him at www.JimHayes.com.

Articles by Jim Hayes

December 2008
The variety of fiber optic cables and connectors has required several methods to test the insertion loss. Industry standards have been developed that offer options for all these methods, which use reference cables at both ends of the cable under test and require using either one, two or three reference patchcords to set a 0-dB reference. READ MORE
November 2008
For most of 2008, my monthly columns in Electrical Contractor have been about fiber optic network design. The goal is to educate you on the process of designing fiber optic networks, and now it’s time for a pop quiz. The correct answers and explanations are in red. Questions for this quiz are based on Jim Hayes’s columns on fiber optic design from April and May 2008. READ MORE
November 2008
Once the design of a fiber optic project is complete and documented, one might think the bulk of the design work is done. But it’s just beginning. The next step is to plan for the actual installation. This is a critical phase of any project, as it involves coordinating activities of many people and companies. READ MORE
October 2008
Documentation of the cable plant is a necessary part of the design and installation process for a fiber optic network. Documenting the installation properly during the planning process will save time and material. It will speed the cable installation and testing since the routing and terminations are already known. READ MORE
October 2008
Just as we have seen new technologies in optical fibers, new choices of cables are available for fiber optics. With fiber finding more applications, choosing the right cable requires knowing about all the new types as well as the old. Correct answers and explanations are in red text. 1. Besides the traditional cable installation and field termination, you can now _______. READ MORE
October 2008
Training can be one of the best investments a contractor or installer of communications cabling can make. While many seek training to get certified, the real benefits are gaining the knowledge and skills to enter new markets, greater efficiency during construction projects, familiarity with new technology and a better basis for distinguishing hype from reality in the marketplace. READ MORE
September 2008
Security is on the minds of many corporate network administrators. They worry about hackers and botnets taking over their computers to send out spam, denial of service attacks on their Web servers, wireless interlopers accessing their corporate networks, and whatever other cyberthreats have been discovered in the last week or so that are likely to cause problems in systems. READ MORE
September 2008
The choice of premises fiber optic components is affected by -several factors, including communications equipment, physical routing of the cable plant and building codes and regulations. If the design is a corporate local area network (LAN), the design will probably include a fiber optic backbone, connecting computer rooms to wiring closets. READ MORE
August 2008
From the technology with which Alexander Graham Bell yelled, “Mr. Watson, come here!” to crank, dial and touch-tone phones and continuing with Ethernet from 10 million bits per second to 10 billion, a pair of copper wires has been the mainstay of communications. Needless to say, some serious technical development was required to get to today’s cables. READ MORE

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