Method for localizing an optical network termination in an optical access network
First Claim
1. A method for localizing an optical network termination in an optical access network, said optical access network comprising an optical line termination and a number of optical links, said optical network termination capable of being connected to said optical line termination by means of any of said optical links, comprising:
- detecting that said optical network termination is connected to one of said optical links and retrieving therefrom a termination identifier univocally identifying said optical network termination;
using said termination identifier for retrieving an optical link identifier associated with said termination identifier and univocally identifying a given optical link of said optical links;
inducing a change in an optical connection between said optical line termination and said given optical link, thereby modifying an optical parameter of first optical signals received at said optical line termination through said given optical link;
checking whether second optical signals received at said optical line termination from said optical network termination are affected by said change;
in the affirmative, determining that said optical network termination is connected to said given optical link; and
when not in the affirmative, determining that said optical network termination is not connected to said given optical link.
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Accused Products
Abstract
A method for localizing an optical network termination in an optical access network including an optical line termination and a number of optical links. The method includes: detecting that the optical network termination is connected to an optical link and retrieving from it a termination identifier univocally identifying the optical network termination, using the termination identifier for retrieving an optical link identifier associated with the termination identifier and univocally identifying a given optical link of the optical links; inducing a change in an optical connection between the optical line termination and the given optical link, thus modifying an optical parameter of first optical signals received at the optical line termination through the given optical link; checking whether second optical signals received at the optical line termination from the optical network termination are affected by the change; and in the affirmative, determining that the optical network termination is connected to the first optical link.
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Citations
14 Claims
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1. A method for localizing an optical network termination in an optical access network, said optical access network comprising an optical line termination and a number of optical links, said optical network termination capable of being connected to said optical line termination by means of any of said optical links, comprising:
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detecting that said optical network termination is connected to one of said optical links and retrieving therefrom a termination identifier univocally identifying said optical network termination; using said termination identifier for retrieving an optical link identifier associated with said termination identifier and univocally identifying a given optical link of said optical links; inducing a change in an optical connection between said optical line termination and said given optical link, thereby modifying an optical parameter of first optical signals received at said optical line termination through said given optical link; checking whether second optical signals received at said optical line termination from said optical network termination are affected by said change; in the affirmative, determining that said optical network termination is connected to said given optical link; and when not in the affirmative, determining that said optical network termination is not connected to said given optical link. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optical access network comprising:
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an optical line termination, a number of optical links, an optical connection capable of connecting said optical line termination to a given optical link of said optical links and an optical network termination capable of being connected to any of said optical links; a remote control unit capable of operating said optical connection so as to induce a change in an optical parameter of first optical signals received at said optical line termination through said given optical link; and a central control unit capable of determining that said optical network termination is connected to said given optical link when said change has affected second optical signals received at said optical line termination from said optical network termination; and determining that said optical network termination is not connected to said given optical link when said change has not affected said second optical signals received at said optical line termination from said optical network termination. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification