Method for establishing and maintaining system configuration information
First Claim
1. In a multi-site communication system that includes a plurality of sites, a central controller, and a processing multiplexer, wherein the processing multiplexer includes a central controller interface and a plurality of site interfaces, a method for the central controller to establish and maintain system configuration information, the method comprises the steps of:
- a) establishing, by both the central controller and the central controller interface, a central controller communication link between the central controller and the central controller interface;
b) when the central controller communication link between the central controller and the central controller interface is established, assigning, by the central controller, the central controller communication link a link address and initializing, by the central controller, a predetermined period of time;
c) after the predetermined period of time elapses, requesting, by the central controller, site interface configuration information from the central controller interface, wherein the site interface configuration information includes an indication of site interfaces of the plurality of sites interfaces that are active to produce active site interfaces;
d) when a site communication link is established between one of the active site interfaces and a site of the plurality of sites, determining, by the central controller, site type of the site;
e) when the site type of the site is a first site type, assigning, by the central controller, a first unique link address to the site communication link between the active site interface and the site to produce said first unique link address; and
f) storing, by the central controller in a database, the site type of the site, the first site type link address of the site communication link, and the link address of the central controller communication link.
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Abstract
In a communication system network that includes a central controller that is operably coupled to a processing multiplexer switch, system configuration information may be transferred between the central controller and the processing multiplexer by establishing a communication link between the central controller and the processing multiplexer switch. Once the link is established, the central controller requests site interface configuration information from the processing multiplexer. The site interface information indicates the status of the interfaces and the type of site coupled to the interface. Once this has been relayed to the central controller, the central controller determines the particular type of site coupled to the site interface. If the site is of a first site type, the central controller assigns the link between the site and the site interface a unique link address. If, however, the site is of a second site type, the site informs the central controller of the unique link address and also the system features that are available at that site.
48 Citations
12 Claims
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1. In a multi-site communication system that includes a plurality of sites, a central controller, and a processing multiplexer, wherein the processing multiplexer includes a central controller interface and a plurality of site interfaces, a method for the central controller to establish and maintain system configuration information, the method comprises the steps of:
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a) establishing, by both the central controller and the central controller interface, a central controller communication link between the central controller and the central controller interface; b) when the central controller communication link between the central controller and the central controller interface is established, assigning, by the central controller, the central controller communication link a link address and initializing, by the central controller, a predetermined period of time; c) after the predetermined period of time elapses, requesting, by the central controller, site interface configuration information from the central controller interface, wherein the site interface configuration information includes an indication of site interfaces of the plurality of sites interfaces that are active to produce active site interfaces; d) when a site communication link is established between one of the active site interfaces and a site of the plurality of sites, determining, by the central controller, site type of the site; e) when the site type of the site is a first site type, assigning, by the central controller, a first unique link address to the site communication link between the active site interface and the site to produce said first unique link address; and f) storing, by the central controller in a database, the site type of the site, the first site type link address of the site communication link, and the link address of the central controller communication link. - View Dependent Claims (2, 3, 4, 5, 6)
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7. In a multi-site communication system that includes a plurality of sites, a central controller, and a processing multiplexer, wherein the processing multiplexer includes a central controller interface and a plurality of site interfaces, a method for the central controller to re-establish system configuration information upon reactivation of a central controller communication link between the central controller and the central controller interface after a failure of the central controller communication link, the method comprises the steps of:
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a) re-establishing, by both the central controller and the central controller interface, the central controller communication link between the central controller and the central controller interface; b) when the central controller communication link is re-established, assigning, by the central controller, the central controller communication link a link address and initializing, by the central controller, a predetermined period of time; c) after the predetermined period of time elapses, requesting, by the central controller, site interface configuration information from the central controller interface, wherein the site interface configuration information includes an indication of site interfaces of the plurality of sites interfaces that are active to produce active site interfaces; d) when a site communication link is established between one of the active site interfaces and a site of the plurality of sites, determining, by the central controller, site type of the site; e) when the site type of the site is a first site type, assigning, by the central controller, a first unique link address to the site communication link between the active site interface and the site to produce said first unique link address; and f) when the site type of the site is a second site type, receiving, by the central controller, site type information from the site via the site interface and the central controller interface, wherein the site type information includes identification of system features available at the site and a second unique link address; and g) storing, by the central controller in a database, the site type of the site, the link address of the central controller communication link, the first unique link address when the site is of the first site type, and the site type information and the second unique link address when the site is of the second type.
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8. In a multi-site communication system that includes a plurality of sites, a central controller, and a processing multiplexer, wherein the processing multiplexer includes a central controller interface and a plurality of site interfaces, a method for the central controller interface to assist the central controller in establishing and maintaining system configuration information, the method comprises the steps of:
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a) when a central controller communication link between the central controller and the central controller interface is established, receiving, by the central controller interface, a request for site interface configuration information from the central controller, wherein the site interface configuration information includes an indication of site interfaces of the plurality of sites that are active to produce active site interfaces; b) when a site communication line between one of the active site interfaces and a site of the plurality of sites is established, transmitting, by the central controller interface, site type of the site to the central controller; c) when the site type of the site is a first site type, receiving, by the central controller interface, a first unique link address of the site communication link; d) storing, by the central controller interface, said first unique link address in memory of the central controller interface; and e) transmitting, by the central controller interface, said first unique link address to the site interface such that the site interfaces stores said first unique link address. - View Dependent Claims (9, 10, 11, 12)
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Specification