Local area network of serial intelligent cells
DCFirst Claim
1. A device that is part of a local area network in a building for coupling a digital data signal to a data unit, the network including at least part of an existing telephone wire pair that is at least in part in walls of the building and is terminated by an outlet, the wire pair carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
- a telephone connector for connecting said device to the telephone wire pair;
a filter coupled to said telephone connector and having a data signal port operative to pass only the digital data signal;
a modem coupled to said data signal port for bi-directional digital data signal communication with one or more additional modems of the same type as said modem over the telephone wire pair;
a data connector for connecting to the data unit;
a data transceiver coupled between said data connector and said modem and operative to effect full-duplex serial digital data communication with the data unit;
a power port connectable to a power signal from a power signal source;
a power supply coupled between said power port and said modem for DC powering said modem from the power signal; and
a single enclosure housing said filter, said power supply, said modem and said data connector,wherein said device is addressable in the local area network.
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Accused Products
Abstract
A device that is part of, and is addressable in, a local area network in a building for coupling a digital data signal to a data unit, the network including at least part of an existing telephone wire pair terminated by an outlet, the wire pair carrying a frequency multiplexed analog service signal and a digital data signal. The device includes: a telephone connector for connecting the device to the telephone wire pair; a filter coupled to the telephone connector to pass only the digital data signal; a modem coupled for bi-directional digital data signal communication with additional modems over the telephone wire pair; a data connector for connecting to the data unit; a data transceiver coupled to effect full-duplex serial digital data communication with the data unit; a power port; and a single enclosure housing the filter, the power supply, the modem and the data connector.
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Citations
167 Claims
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1. A device that is part of a local area network in a building for coupling a digital data signal to a data unit, the network including at least part of an existing telephone wire pair that is at least in part in walls of the building and is terminated by an outlet, the wire pair carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
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a telephone connector for connecting said device to the telephone wire pair; a filter coupled to said telephone connector and having a data signal port operative to pass only the digital data signal; a modem coupled to said data signal port for bi-directional digital data signal communication with one or more additional modems of the same type as said modem over the telephone wire pair; a data connector for connecting to the data unit; a data transceiver coupled between said data connector and said modem and operative to effect full-duplex serial digital data communication with the data unit; a power port connectable to a power signal from a power signal source; a power supply coupled between said power port and said modem for DC powering said modem from the power signal; and a single enclosure housing said filter, said power supply, said modem and said data connector, wherein said device is addressable in the local area network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A local area network in a building for coupling together first and second data units in the building, said network comprising:
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a telephone wire pair at least in part in walls of the building and terminated in outlets, said wire pair carrying an analog service signal and a bi-directional serial digital data signal frequency multiplexed with the analog service signal; and at least two same first and second devices, each enclosed within a respective single enclosure located inside the building, each connected to said telephone wire pair and each connectable to a respective one of the first and second data units for bi-directional serial digital data communication with the respective data unit, and each operative to couple the bi-directional serial digital data signals carried over said telephone wire pair to the respective data unit, wherein each of said devices is addressable in the local area network. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A device for coupling a digital data signal carried in a local area network in a building to an analog unit, the network including at least part of an existing telephone wire pair that is at least in part in walls of the building and is terminated by an outlet, the wire pair carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
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a telephone connector for connecting said device to the telephone wire pair; a filter coupled to said telephone connector and having a data signal port operative to pass only the digital data signal; a modem coupled to said data signal port for bi-directional digital data signal communication over the telephone wire pair; an analog connector for coupling an analog signal to the analog unit; a converter between analog and digital data signals coupled between said modem and said analog connector, a power port connectable to a power signal, a power supply coupled between said power port and said modem for DC powering said modem from said power signal; and a single enclosure housing said filter, said power supply, said converter, said modem and said analog connector; wherein said device is addressable in the local area network. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67)
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68. A device that is part of a local area network in a building for coupling a digital data signal to a data unit, the network including at least part of an existing telephone wire pair that is at least in part in walls of the building and is terminated by an outlet, the wire pair carrying a frequency multiplexed analog service signal and a digital data signal, said device comprising:
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a telephone connector for connecting said device to the telephone wire pair; a filter coupled to said telephone connector and having a data signal port operative to pass only the digital data signal; a modem coupled to said data signal port for bi-directional digital data signal communication over the telephone wire pair; a data port coupled to said modem and operative to effect full-duplex serial digital data communication; a power port connectable to a power signal from a power signal source; a power supply coupled between said power port and said modem for DC powering said modem from the power signal; and a single enclosure housing said filter, said power supply, and said modem, wherein said device is addressable in the local area network. - View Dependent Claims (69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83)
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84. A device for coupling signals between first and second telephone wire pairs, each wire pair being connected to carry a respective bi-directional digital data signal, the first telephone wire pair being connected to carry a first bi-directional digital data signal in a first digital data frequency band, the second telephone wire pair being connected to carry a second bi-directional digital data signal in a second digital data frequency band, and both of said telephone wire pairs being connected to carry, multiplexed with each of the digital data signals, an analog telephone signal in an analog telephone signal frequency band lower than and distinct from each of the first and second digital data frequency bands, said device comprising:
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a first connector for connecting to said first telephone wire pair; a second connector for connecting to said second telephone wire pair; a low pass filter coupled between said first and second connectors and operative for substantially passing only signals in the analog telephone signal frequency band for passing the analog telephone signal between the first and second telephone wire pairs; a first high pass filter coupled to said first connector and operative for substantially passing only signals in the first digital data frequency band; a first modem coupled to said first high pass filter for conducting the first bi-directional digital data signal over the first telephone wire pair; a second high pass filter coupled to said second connector and operative for substantially passing only signals in the second digital data frequency band; a second modem coupled to said second high pass filter for conducting the second bi-directional digital data signal over the second telephone wire pair; a power port connectable to receive a power signal from a power signal source; a power supply coupled between said power port and said first modem for DC powering said modem from the power signal; and a single enclosure housing said filters, said power supply, said modems and said connectors, wherein; said first and second modems are coupled to each other for passing digital data between said first and second telephone wire pairs; and said device is addressable in a local area network. - View Dependent Claims (85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115)
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116. A network for respectively coupling first and second bi-directional serial digital data signals to first and second data units and for coupling an analog telephone signal to a telephone set, the network comprising:
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a first telephone wire pair comprising two conductors and connected for carrying the analog telephone signal in a telephone signal frequency band frequency multiplexed with the first bi-directional digital data signal in a first digital data frequency band that is distinct from, and higher than, the analog telephone signal frequency band; a second telephone wire pair distinct from said first telephone wire pair and comprising two conductors and connected for carrying the analog telephone signal telephone signal frequency multiplexed with the second bi-directional second digital data signal in second digital data frequency band that is distinct from and above the analog telephone signal frequency band; a first device enclosed in a first single enclosure and connected between said first and second telephone wire pairs, said first device being operative to transparently pass signals in the analog telephone frequency band and pass digital data between said first and second telephone wire pairs, said first device further comprising a port couplable to a first data unit for coupling the first and second bi-directional digital data signals to the first data unit; and a second device enclosed in a second single enclosure connected to second telephone wire pair, said second device comprising a telephone connector connectable to an analog telephone set for coupling the analog telephone signal to the analog telephone set, said second device further comprising a port couplable to a second data unit for coupling the second data unit to the second bi-directional digital data signal; wherein each of said first and second devices is addressable as part of the network. - View Dependent Claims (117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144)
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145. A device for coupling digital data between first and second telephone wire pairs, each telephone wire pair being connected for carrying an analog telephone signal frequency multiplexed with a bi-directional digital data signal, wherein, the digital data signal carried in each telephone wire pair is in a digital data frequency band and the analog telephone signal carried in each telephone wire pair is in an analog telephone signal frequency band lower than, and distinct, from the digital data frequency band of the digital data signal carried in the same telephone wire pair, said device comprising:
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a first connector for connecting to the first telephone wire pair; a second connector for connecting to the second telephone wire pair; a first high pass filter coupled between said first and second connectors and operative for substantially passing only signals in the digital data frequency bands and for substantially stopping signals in the analog telephone signal frequency bands, for passing digital data signals between the first and second telephone wire pairs; and a single enclosure housing said first high pass filter and said connectors. - View Dependent Claims (146, 147, 148, 149, 150, 151)
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152. A device for passing, digital data between a first bi-directional digital data signal in a first digital data frequency band and a second bi-directional digital data signal in a second digital data frequency band, the first and second digital data frequency bands each being higher than, and distinct from, an analog telephone signal frequency band, and wherein at least said first bi-directional digital data signal is carried over a telephone wire pair, said device comprising:
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a first port for coupling to the first digital data signal; a second port for coupling to the second digital data signal; a first filter coupled to said first port and operative for substantially passing only signals in the first digital data frequency band and for substantially stopping signals in the analog telephone signal frequency band; a first modem coupled to said first filter for conducting the first bi-directional digital data signal in the first digital data frequency band; a second filter coupled to said second port and operative for substantially passing only signals in the second digital data frequency band and for substantially stopping signals in said analog telephone signal frequency band; a second modem coupled to said second filter for conducting the second bi-directional digital data signal in the second digital data frequency band; and a single enclosure housing said filters, said modems and said ports, wherein said first and second modems are coupled to each other for passing digital data between said first and second ports, and wherein at least one out of said first and second filters is a high pass filter; and wherein said device is addressable in a local area network. - View Dependent Claims (153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167)
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Specification