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In telecommunications, a long line is a transmission line in a long-distance communications network such as carrier systems, microwave radio relay links, geosynchronous satellite links, underground cables, aerial cables and open wire, and Submarine communications cables.
One service was announced in 2004 for Ohio, Kentucky, and Indiana by Current Communications [14] but they left the BPL business in 2008. [ 15 ] [ 16 ] On August 3, 2006, FCC adopted a memorandum opinion and an order on broadband over power lines, giving the go-ahead to promote broadband service to all Americans. [ 17 ]
2003: Powernet LLC was founded; 2005–2008 Powernet, KIT and BOL.bg acquire 100% of 50 small and medium-sized LAN Internet providers; 2006: P&S acquire 100% of KIT and BOL.bg; 2008: P&S acquire 100% of Powernet; 2009: KIT and BOL.bg merge in Powernet, and Powernet acquire 100% of Airbites Bulgaria from SwissCom CEE; 2010: Powernet joins the ...
Global Crossing Limited, was a telecommunications company that provided computer networking services and operated a tier 1 carrier.It maintained a large backbone network and offered peering, virtual private networks, leased lines, audio and video conferencing, long-distance telephone, managed services, dialup, colocation centres and VoIP.
Note 3: "Long-haul telecommunications technicians" can be translated into many fields of IT work within the corporate industry (Information Technology, Network Technician, Telecommunication Specialist, It Support, and so on). While the term is used in military most career fields that are in communications such as 3D1X2 - Cyber Transport Systems ...
The U.S. is a notable exception, permitting limited-power wide-band signals to be injected into unshielded wiring, as long as the wiring is not designed to propagate radio waves in free space. Data rates and distance limits vary widely over many power-line communication standards. Low-frequency (about 100–200 kHz) carriers impressed on high ...
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The L-carrier system was one of a series of carrier systems developed by AT&T for high-capacity transmission for long-distance communications. Over a period from the late 1930s to the 1970s, the system evolved in six significant phases of development, designated by Bell System engineers as L-1 through L-5, and L-5E.