Multimedia optical community area network
First Claim
1. An optical network for the transfer of data between optical network units (ONU) connected to respective data terminal equipment including electro-optical interface for converting electrical signals to optical signals for transmission through the optical network and for converting optical signals to electrical signals for input to the terminal equipment, comprising:
- a) a fiber optic line having first and second ends;
b) first and second point-of-presence (POP) units connected to respective first and second ends of said fiber optic line, said first and second POP units for being connected to another optical network, said first and second POP units including optical multiple wavelength apparatus for optical signal generation and optical multiple wavelength apparatus for optical signal detection;
c) first and second optical communicators connected to said fiber optic line at locations either between said first and second POP units or attached to the same or different POP units;
d) first and second ONUs operably connected to respective said first and second optical communicators, said first and second ONUs being associated with respective first and second data terminal equipment;
e) said first optical communicator being configured to transmit a first wavelength signal bi-directionally from said first ONU to both said first and second POP units, said first optical communicator including a first add/drop module operably connected to said fiber optic line to drop a second wavelength signal from said fiber optic line intended for said first ONU;
f) said second optical communicator being configured to transmit a third wavelength signal bi-directionally from said second ONU to both said first and second POP units, said second optical communicator including a second add/drop module operably connected to said fiber optic line to drop a fourth wavelength signal from said fiber optic line intended for said second ONU;
g) said first and second ONUs each including optical multiple wavelength apparatus for optical generation and optical wavelength apparatus for optical detection; and
h) control system means for allocating wavelengths between said first and second ONUs and said first and second POP units.
1 Assignment
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Accused Products
Abstract
An optical network for the transfer of data between optical network units (ONU) connected to respective data terminal equipment including electro-optical interface for converting electrical signals to optical signals for transmission through the optical network and for converting optical signals to electrical signals for input to the terminal equipment, comprises a fiber optic line having first and second ends; first and second point-of-presence (POP) units connected to respective first and second ends of the fiber optic line, the first and second POP units for being connected to another optical network, the first and second POP units including optical multiple wavelength apparatus for optical signal generation and optical multiple wavelength apparatus for optical signal detection; first and second optical communicators connected to the fiber optic line at locations between the first and second POP units; first and second ONUs operably connected to respective the first and second optical communicators, the first and second ONUs being associated with respective first and second data terminal equipment; the first optical communicator being configured to transmit a first wavelength signal bi-directionally from the first ONU to both the first and second POP units, the first optical communicator including a first add/drop module operably connected to the fiber optic line to drop a second wavelength signal from the fiber optic line intended for the first ONU; the second optical communicator being configured to transmit a third wavelength signal bi-directionally from the second ONU to both the first and second POP units, the second optical communicator including a second add/drop module operably connected to the fiber optic line to drop a fourth wavelength signal from the fiber optic line intended for the second ONU; the first and second ONUs each including optical multiple wavelength apparatus for optical generation and optical wavelength apparatus for optical detection; and control system means for allocating wavelengths between the first and second ONUs and the first and second POP units.
61 Citations
26 Claims
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1. An optical network for the transfer of data between optical network units (ONU) connected to respective data terminal equipment including electro-optical interface for converting electrical signals to optical signals for transmission through the optical network and for converting optical signals to electrical signals for input to the terminal equipment, comprising:
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a) a fiber optic line having first and second ends;
b) first and second point-of-presence (POP) units connected to respective first and second ends of said fiber optic line, said first and second POP units for being connected to another optical network, said first and second POP units including optical multiple wavelength apparatus for optical signal generation and optical multiple wavelength apparatus for optical signal detection;
c) first and second optical communicators connected to said fiber optic line at locations either between said first and second POP units or attached to the same or different POP units;
d) first and second ONUs operably connected to respective said first and second optical communicators, said first and second ONUs being associated with respective first and second data terminal equipment;
e) said first optical communicator being configured to transmit a first wavelength signal bi-directionally from said first ONU to both said first and second POP units, said first optical communicator including a first add/drop module operably connected to said fiber optic line to drop a second wavelength signal from said fiber optic line intended for said first ONU;
f) said second optical communicator being configured to transmit a third wavelength signal bi-directionally from said second ONU to both said first and second POP units, said second optical communicator including a second add/drop module operably connected to said fiber optic line to drop a fourth wavelength signal from said fiber optic line intended for said second ONU;
g) said first and second ONUs each including optical multiple wavelength apparatus for optical generation and optical wavelength apparatus for optical detection; and
h) control system means for allocating wavelengths between said first and second ONUs and said first and second POP units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26)
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18. A method for transferring data between a first optical network unit (ONU) to a second ONU, comprising:
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a) providing a fiber optic line between first and second point-of-presence (POP) units;
b) connecting first and second optical communicators to the fiber optic line at locations between the first and second POP units, each optical communication including an add/drop module;
c) connecting the first and second ONUs to the respective first and second optical communicators;
d) designating one of the first and second POP units to be a primary POP unit for the first ONU; and
e) assigning a wavelength to be used by the first ONU to transmit data signal to the second ONU;
f) adjusting the add/drop module of the second optical communicator to drop the data signal at the assigned wavelength to the second ONU;
g) sending the data signal on the assigned wavelength through the first optical communicator whereby the data signal is sent to both the first and second POP units through the fiber optic link; and
h) informing the primary POP unit that the assigned wavelength is no longer needed.
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Specification