Local area network of serial intelligent cells
First Claim
1. A local area network (LAN) based PBX/PABX system in a building for carrying power and serial digital data, the system comprising:
- first, second and third nodes interconnected by first and second distinct LAN wiring segments; and
external wiring at least in part extending outside the building for full-duplex serial digital data communication, the serial digital data including time-multiplexed first and second serial digitized telephony data, andthe first node being connected to said external wiring for coupling to said time-multiplexed first and second serial digitized telephony data, said first node being further connected to the first and second LAN wiring segments via first and second connectors for time multiplexing/de-multiplexing the first serial digitized telephony data on said first LAN wiring segment and the second serial digitized telephony data on the second LAN wiring segment, andthe first LAN wiring segment comprising at least one twisted wire pair at least in part in a wall of the building, wherein at least one end of the first LAN wiring segment is terminated in the first connector, and the first LAN wiring segment connects only said first and second nodes in a point-to-point connection using full-duplex communication of serial digital data over said first LAN wiring segment between said two connected nodes, and the serial digital data include the first serial digitized telephony data;
the second LAN wiring segment comprising at least one twisted wire pair and at least in part in a wall of a building, wherein at least one end of the wiring segment is terminated in the second connector, and wherein the second LAN wiring segment connects only said first and third nodes in a point-to-point connection using a full-duplex communication of serial digital data over said second LAN wiring segment between said two connected nodes, and wherein the serial digital data include the second serial digitized telephony data, andthe second node connected to said first LAN wiring segment and coupled to a first telephone set for coupling the first serial digitized telephony data to the first telephone set, andthe third node connected to said second LAN wiring segment and coupled to a second telephone set for coupling the second serial digitized telephony data to the second telephone set,wherein said first, second and third nodes are each addressable in said system.
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Accused Products
Abstract
A serial intelligent cell (SIC) and a connection topology for local area networks using Electrically-conducting media. A local area network can be configured from a plurality of SIC'"'"'s interconnected so that all communications between two adjacent SIC'"'"'s is both point-to-point and bidirectional. Each SIC can be connected to one or more other SIC'"'"'s to allow redundant communication paths. Communications in different areas of a SIC network are independent of one another, so that, unlike current bus topology and star topology, there is no fundamental limit on the size or extent of a SIC network. Each SIC can optionally be connected to one or more data terminals, computers, telephones, sensors, actuators, etc., to facilitate interconnectivity among such devices. Networks according to the present invention can be configured for a variety of applications, including a local telephone system, remote computer bus extender, multiplexers, PABX/PBX functionality, security systems, and local broadcasting services. The network can use dedicated wiring, as well as existing wiring as the in-house telephone or electrical wiring.
1508 Citations
42 Claims
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1. A local area network (LAN) based PBX/PABX system in a building for carrying power and serial digital data, the system comprising:
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first, second and third nodes interconnected by first and second distinct LAN wiring segments; and external wiring at least in part extending outside the building for full-duplex serial digital data communication, the serial digital data including time-multiplexed first and second serial digitized telephony data, and the first node being connected to said external wiring for coupling to said time-multiplexed first and second serial digitized telephony data, said first node being further connected to the first and second LAN wiring segments via first and second connectors for time multiplexing/de-multiplexing the first serial digitized telephony data on said first LAN wiring segment and the second serial digitized telephony data on the second LAN wiring segment, and the first LAN wiring segment comprising at least one twisted wire pair at least in part in a wall of the building, wherein at least one end of the first LAN wiring segment is terminated in the first connector, and the first LAN wiring segment connects only said first and second nodes in a point-to-point connection using full-duplex communication of serial digital data over said first LAN wiring segment between said two connected nodes, and the serial digital data include the first serial digitized telephony data; the second LAN wiring segment comprising at least one twisted wire pair and at least in part in a wall of a building, wherein at least one end of the wiring segment is terminated in the second connector, and wherein the second LAN wiring segment connects only said first and third nodes in a point-to-point connection using a full-duplex communication of serial digital data over said second LAN wiring segment between said two connected nodes, and wherein the serial digital data include the second serial digitized telephony data, and the second node connected to said first LAN wiring segment and coupled to a first telephone set for coupling the first serial digitized telephony data to the first telephone set, and the third node connected to said second LAN wiring segment and coupled to a second telephone set for coupling the second serial digitized telephony data to the second telephone set, wherein said first, second and third nodes are each addressable in said system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system in a building for coupling at least one analog telephone set in the building to a digital telephone service external to the building, the system further providing a life-line service, the system comprising:
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a telephone wire pair, at least in part extending outside the building and at least in part in a wall of the building and connected to a telephone outlet, for carrying full-duplex serial digital data including serial digitized telephony data, the serial digital data is carried over a frequency band distinct from, and higher than, analog telephony band, a first analog telephone set to be coupled to the wire pair via a standard analog telephone connector; a single enclosure; and a device housed in said single enclosure and comprising; a first telephone connector connected for coupling the serial digitized telephony data to said telephone wire pair; a high pass filter coupled to said first telephone connector for passing only the serial digital data; a telephone modem coupled to said high pass filter for conducting the serial digital data over said telephone wire pair; an analog/digital telephony converter coupled to said telephone modem for converting between the serial digitized telephony data and an analog telephone signal; and a second telephone connector connected to said first analog telephone set for coupling the analog telephone signal to said first analog telephone set wherein; said telephone wire pair is connected to concurrently carry a second analog telephone signal over an analog telephone band, and said device further comprises; a low pass filter coupled to said first telephone connector for passing only the second analog telephone signal; and a third telephone connector connected to said low pass filter and connectable to a second analog telephone set, for coupling the second analog telephone signal to the second analog telephone set.
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22. A system in a building for coupling at least one analog telephone set in the building to a digital telephone service external to the building, the system further providing a life-line service, the system comprising:
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a telephone wire pair, at least in part extending outside the building and at least in part in a wall of the building and connected to a telephone outlet, for carrying full-duplex serial digital data including serial digitized telephony data, the serial digital data is carried over a frequency band distinct from, and higher than, analog telephony band, a first analog telephone set to be coupled to the wire pair via a standard analog telephone connector; a single enclosure; and a device housed in said single enclosure and comprising; a first telephone connector connected for coupling the serial digitized telephony data to said telephone wire pair; a high pass filter coupled to said first telephone connector for passing only the serial digital data; a telephone modem coupled to said high pass filter for conducting the serial digital data over said telephone wire pair; an analog/digital telephony converter coupled to said telephone modem for converting between the serial digitized telephony data and an analog telephone signal; and a second telephone connector connected to said first analog telephone set for coupling the analog telephone signal to said first analog telephone set wherein; said telephone wire pair is connected to concurrently carry a second analog telephone signal over an analog telephone band, and said device further comprises; a low pass filter coupled to said first telephone connector for passing only the second analog telephone signal, and a switch coupled to said low pass filter, said converter and to said second telephone connector, said switch being switchable between a first state for connecting said second telephone connector to said converter and a second state for connecting second telephone connector is connected to said low pass filter. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A device for coupling power and digital data in a network, for use with first, second and third point-to-point network wiring segments each comprising at least one twisted-wire pair, the device comprising:
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a first transceiver configured to convey first full-duplex serial digital data, to be multiplexed with a first DC power signal, to and from the first wiring segment; a second transceiver configured to convey second full-duplex serial digital data, to be multiplexed with a second DC power signal, to and from the second wiring segment; and a third transceiver coupled to the first and second transceivers and being configured to couple one of the first full duplex serial digital data and the second full-duplex serial digital data to the third wiring segment, wherein the first and second full-duplex serial digital data are packet-based data, and the device is addressable. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification