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  • Keeping coax safe
    Special protectors dissipate potentially dangerous transient currents in coaxial cable. When voltages on the center conductor exceed a specific value, the gas in the gas-discharge tube ionizes to discharge the buildup to ground. Even though the quarter-wave stub is electrically grounded
  • Ground Isolation in Video Transmission
    In coax video transmission systems the shield of the coax cable is usually connected to ground. It may very well turn out that a voltage difference at the power line frequency may exist between the ground at the transmitting location and the ground at the receiving end. The 60 Hz current through
  • Common-sense cabling
    physical lengths. Variations in cable dielectric material necessitate use of network analyzers to trim cables for identical standing wave relationships. The semirigid cable on these N-style connectors provides the best EMI shielding of any coax. Supersmall MCX connectors handle much smaller cables
  • Computer Power User Article - The Power To Protect
    minutes. Built-in coax connectors can filter your cable modem s cable, which is rare for this price point. The Back-UPS RS 900 is an upscale unit for home and office use. It looks like a small, beige computer tower but is about half as wide as a SFF-style chassis. There s a push-button switch and four
  • Computer Power User Article - Wired & Wireless
    significantly higher than normal data rates. A standard-def digital TV signal typically uses a VBR MPEG-2 scheme that delivers an average data rate between 2 and 3Mbps. Peak rates, however, spike to about 9Mbps. High-definition MPEG-2 TV streams specifically cable- or satellite-based, not ATSC (Advanced
  • Industrial Ethernet made practical
    ) and motion controllers trying to talk to each other. To make matters slightly worse, some of the network cabling had been run in metal conduit. Such protection may be desirable for ac wiring and coax. It is a terrible idea for Ethernet cable. Incidents like this one are becoming more frequent

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