True, the National Electrical Code (NEC), Article 90-3 "Code Arrangement," states that "Chapter 8 covers communications systems and is independent of the other chapters except...
The Getty Center project (see "Largest private U.S. building project cabled with air-blown fiber," August 1997, page 25) has provided a great test bed for air-blown fiber (abf...
The components used for an air-blown fiber (abf) system compare favorably to standard fiber equipment. In terms of the physical-space requirements and overall costs, high-density...
During the last decade, premises cabling has evolved greatly, and part of that change has been an increase in the use of optical-fiber cabling media. Going hand-in-hand with this...
One of the hardest things a magazine editor has to decide is what works and what doesn`t. We at Cabling Installation & Maintenance have been happy, overall, with the magazine`...
Q: At the recent Cabling Installation Expo `97 in Charlotte, NC, a letter was distributed by one of the vendors stating that according to the National Electrical Code (NEC) and...
In September 1997, the first addendum to tia/eia-568a, the revised commercial building cabling standard, was released. tia/eia-568a-1, "Propagation Delay and Delay Skew Specifications...
A glowing red slab of steel moves into the giant press. The operator activates the press and, seconds later, a gear-shaped blank emerges, still red-hot and smoking. Two blocks...
Q: My company is getting ready to move upstairs. The space we are moving into is already cabled with a Category 3 system throughout. The installers coming in to cable have suggested...
Q: When testing a Category 5 cable run we read a star pass on the remote near-end crosstalk. The margin was 1.7. Is this acceptable? The cable manufacturer said that even if the...
Q: I am looking for a machine that would wrap fiber-optic cable around an existing overhead cable line. The idea would be to use the existing line and poles to add a transmission...
Q: Should fiber-optic horizontal cable be installed in innerduct? In the environment in question, plenum fiber-optic cable is being installed between a data closet and a classroom...
Transitioning communications cabling into modular furniture from a wall or column is often difficult because hole plates designed for this procedure are rare.
When terminating Category 5 cable to a 110 block, installers often leave more than 1/2 inch of each wire pair untwisted. This practice is in conflict with installation recommendations...
Old 25- or 50-pair cable often sticks tightly to the inside of old conduit and cannot be removed by pulling. For this reason, many users abandon the use of the conduit.
The LT83 digital multimeter has four millivolt ranges (200 mV AC and DC, and 2000 mV AC and DC) and measuring ranges in volts (to 600V), AC or DC, amps and microamps (to 10 amps...
Spurred by rapidly evolving technology needs, Communications Systems Inc. (CSI/Suttle--Hector, MN), and Mohawk/CDT (Leominster, MA) announced their partnership to create enhanced...
According to a report by Communications Daily, new Federal Communications Commission (fcc--Washington, DC) chairman William Kennard announced that his office will forgo a new ...
Telecommunications Techniques Corp. (TTC--Germantown, MD), a manufacturer of test products, systems and support services, named Gary Maverick president of the newly formed Systems...
The DC-8035 open rack assembly consists of the arr-1272-bt black-finish aluminum rack, 12 cableway rings, one pair of cableway covers, six cable rings, and all assembly hardware...
The TracJack 24-port patch panel kit allows duplication of port configurations in the wiring closet to correspond with the workstation. The panel`s rear shelf provides cable management...
When you are planning next year`s budget or writing up a new business plan, it is often useful to have overall industry statistics to back up your points and projections. One ...
A 268-page catalog covers hundreds of new test instruments and tools for telecommunications specialists, engineers, installers, and technicians. The catalog features brand-name...
A 300-page catalog contains items for the electronics and related industries. Two new kits featured in the catalog are the jtk-2001 PC Workstation Plus and the jtk-2900 network...
A line of Category 5 110 wiring blocks includes field termination kits and comes in 100- and 300-pair sizes, with or without legs. The kits contain connecting blocks, patch cords...
The MegaFrame cabinet system combines rack components, storage, security, and protection with full cable and cord management in a closed environment. The system has built-in cable...
The JobSite series of cordless drills and drivers includes center-handled 14.4V and 12V 3/8-inch and 18V 1/2-inch versions. The drills have industrial keyless chuck, 24-position...
The Model fpol one-step automated fiber polishing machine simultaneously polishes two fiber connectors in 15 seconds. Weighing 1 pound, the unit accomplishes more than 250 terminations...
NORDX/CDT has introduced two structured systems that can handle gigabit transmission. The ibdn Gigabit Cabling Solution System 1200 and System 2400 include cable and connecting...
