CN101854282A - Annularly networking method for multi-interface dispatching desk and system thereof - Google Patents
Annularly networking method for multi-interface dispatching desk and system thereof Download PDFInfo
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- CN101854282A CN101854282A CN200910081026A CN200910081026A CN101854282A CN 101854282 A CN101854282 A CN 101854282A CN 200910081026 A CN200910081026 A CN 200910081026A CN 200910081026 A CN200910081026 A CN 200910081026A CN 101854282 A CN101854282 A CN 101854282A
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Abstract
The invention discloses an annularly networking method for a multi-interface dispatching desk and a dispatching communication system using the same. In the annularly networking method, a first digital interface of a switchboard is connected with a first interface module of the multi-interface dispatching desk (1); a second interface module of the multi-interface dispatching desk (1) is connected with the first interface module of the multi-interface dispatching desk (2); by the same token, the second interface module of the multi-interface dispatching desk (n-1) is connected with the first interface module of the multi-interface dispatching desk (n); and the second interface module of the multi-interface dispatching desk (n) is connected with the second digital interface of the switchboard to form an annular network structure. The annularly networking method for the multi-interface dispatching desk and the dispatching communication system which adopts the annularly networking method have the advantages of preventing the services of other dispatching desks from being influenced when one dispatching desk is broken down or somewhere on a channel is broken, and ensuring the communication security and the system reliability of the whole dispatching communication system by connecting fewer physical interfaces to more terminal dispatching desks.
Description
Technical field
The present invention relates to a kind of dispatching desk annular networking method, relate in particular to a kind of multi-interface dispatching desk that is applicable to, annular networking method with annular time slot network replacement Star Network also relates to the dispatching communication system that adopts this annular networking method simultaneously, belongs to the dispatching communication technical field.
Background technology
Dispatching communication system is the special-purpose trunked communication system that production scheduling and commander's control service are provided for enterprises or group user, mainly is made up of background master system and the indefinite dispatching desk of quantity.Background master system is made up of assemblies such as switches, is responsible for providing functions such as exchanges data and control.Dispatching desk is responsible for realizing functions such as exhalation, incoming call, group calling, meeting.
In dispatching communication system, dispatching desk generally is dispersed in everywhere according to field demand and uses, and background master system is connected with each dispatching desk respectively, to focus on the dispatch command that dispatching desk is beamed back.Usually adopt point-to-point copper cable Digital Transmission connected mode between a plurality of dispatching desks and the switch, because dispatching desk often has only an interface that is connected with switch, in case line failure will cause the intercommunicating interruption of whole dispatching communication system, causes heavy losses to the user.
In order to guarantee the communication security of whole dispatching communication system, each dispatching desk just needs two physical channels to connect, so that realize the physical connection backup.The networking mode commonly used that satisfies this requirement is a kind of Star Network radially as shown in Figure 1.
In Star Network structure shown in Figure 1, the communication disruption of dispatching desk and switch can not influence other dispatching desk, but that shortcoming is a bandwidth availability ratio is not high, and the coffret that switch needs is many, waste resource, cost height.For example each dispatching desk takies two Digital Transmission passages.For the digital speech dispatching patcher, every passage only uses 3 time slots, if adopt the E1 digital interface to communicate, each E1 interface bandwidth is 30 time slots, as seen has a large amount of time interval resources not to be utilized.Switch also needs to provide and the identical digital interface of dispatching desk digital interface quantity simultaneously.For example, have 10 dispatching desks to be connected on the switch, switch just need provide 20 E1 interfaces, and the time interval resource of waste reaches 540 more than.
Summary of the invention
Primary technical problem to be solved by this invention is to provide a kind of annular networking method that is applicable to multi-interface dispatching desk.
Another one technical problem solved by the invention is to provide a kind of dispatching communication system that realizes based on this annular networking method.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of annular networking method that is applicable to multi-interface dispatching desk is used to realize the networking of switch and multi-interface dispatching desk, and described switch has at least two digital interfaces, and described multi-interface dispatching desk has at least two interface modules, it is characterized in that:
(1) determine the maximum quantity n of described multi-interface dispatching desk according to the bandwidth of described digital interface and the bandwidth of distributing to the transmission channel of each multi-interface dispatching desk, wherein n is a positive integer;
(2) first digital interface with described switch is connected with first interface module of multi-interface dispatching desk 1, second interface module of multi-interface dispatching desk 1 is connected with first interface module of multi-interface dispatching desk 2, and by parity of reasoning is connected with first interface module of multi-interface dispatching desk n to second interface module of multi-interface dispatching desk n-1;
(3) second interface module with multi-interface dispatching desk n is connected with second digital interface of described switch, with makeup ring l network structure.
Wherein, the interface module in the described multi-interface dispatching desk is the combination in twos of E1 interface module, 2B+D interface module, xDSL interface module, ethernet interface module.
Described switch and described multi-interface dispatching desk adopt annular bi-directional communication mechanism between any two.
A kind of dispatching communication system, realize based on above-mentioned annular networking method, this dispatching communication system comprises a switch and n multi-interface dispatching desk, wherein n is a positive integer, described switch has at least two digital interfaces, described multi-interface dispatching desk has at least two interface modules, it is characterized in that:
First digital interface of described switch is connected with first interface module of multi-interface dispatching desk 1, second interface module of multi-interface dispatching desk 1 is connected with first interface module of multi-interface dispatching desk 2, by parity of reasoning is connected with first interface module of multi-interface dispatching desk n to second interface module of multi-interface dispatching desk n-1, second interface module of multi-interface dispatching desk n is connected with second digital interface of described switch, with makeup ring l network structure.
Dispatching desk annular networking method provided by the present invention replaces radially Star Network with annular time slot network, thereby with the less more terminal scheduling platform of physical interface connection.The dispatching communication system that realizes based on this annular networking method is owing to adopted annular bi-directional communication mechanism, avoided because of a dispatching desk break down or passage on certain disconnect the business influence other dispatching desk, ensured the communication security and the system reliability of whole dispatching communication system.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is in the prior art, adopts the schematic diagram of Star Network structure between dispatching desk and the switch;
Fig. 2 is the circuit theory diagrams of an embodiment that are used to implement the dispatching desk of this dispatching desk annular networking method;
Fig. 3 is the annular networking structural representation of the employing numeral conllinear realized of this dispatching desk annular networking method.
Embodiment
Fig. 2 has shown an example of the dispatching desk that is used to implement this dispatching desk annular networking method.In this dispatching desk, comprise CPU and peripheral storage (RAM and FLASH), at least two removable interface modules, logical block, touch LCD screen and speech processing module.CPU wherein, peripheral storage, logical block and two interface modules link together by parallel bus respectively.Touch LCD screen is connected with CPU.Speech processing module connects logical block on the one hand, connects microphone and loud speaker on the other hand respectively.Logical block is the fpga chip that possesses digital phase-locked loop and time gas exchange function.In addition, in dispatching desk, also has power module.This power module is transformed to the needed voltage of each module of dispatching desk for negative 48 volts with the communication power supply direct current.
In Fig. 2, two removable interface modules are respectively xDSL interface module and E 1 interface module.Each interface module inserts parallel bus on the one hand, is connected with logical block in the dispatching desk on the other hand.Switch can communicating to connect by any one interface module realization and dispatching desk.
Need to prove, the interface module of using in this dispatching desk is not limited to above-mentioned xDSL interface module and E 1 interface module, for example can also increase ethernet interface module or 2B+D interface module, or the combination in twos of E1 interface module, 2B+D interface module, xDSL interface module, ethernet interface module.
Based on above-mentioned dispatching desk with polytype interface, as shown in Figure 3, the dispatching desk that n (n is a positive integer) is such and a switch are formed a dispatching communication system, have at least two digital interfaces on the switch wherein, respectively called after digital interface 1 and digital interface 2.A plurality of dispatching desks are called after dispatching desk 1, dispatching desk 2 respectively ..., dispatching desk n.On each dispatching desk, all have at least two digital interfaces, also called after digital interface 1 and digital interface 2.
According to annular networking method provided by the present invention, the digital interface 1 of switch connects the digital interface 1 of dispatching desk 1, the digital interface 2 of dispatching desk 1 connects the digital interface 1 of dispatching desk 2, the digital interface 2 of dispatching desk 2 connects the digital interface 1 of dispatching desk 3, by that analogy, the digital interface 2 of dispatching desk n-1 connects the digital interface 1 of dispatching desk n, and the digital interface 2 of dispatching desk n connects the digital interface 2 of switch.So just formed a dispatching communication system with loop network structure.
In dispatching communication system shown in Figure 3, switch and n the dispatching desk that is connected with this switch are connected in series the makeup ring l network by digital interface separately.Switch and dispatching desk adopt annular bi-directional communication mechanism between any two, and promptly each dispatching desk can carry out two-way communication with switch from the both direction of loop network and is connected.Each dispatching desk on the loop network takies fixing digital channel time slot.Each dispatching desk can once be concentrated and use institute's distributed time slot, also can adopt the mode of similar poll evenly to use institute's distributed time slot.Above-mentioned connectivity scenario can be saved the time interval resource and the digital interface resource of transmission channel in a large number.When for example adopting the E1 digital interface to realize connecting, switch only need provide 2 E1 digital interfaces.Because each E1 interface bandwidth is 30 time slots, distributes to a transmission channel of each dispatching desk and only uses 3 time slots, just can connect 10 dispatching desks at most like this on a ring.Therefore, limited digital interface resource and time interval resource is fully utilized on the switch.
Because dispatching communication system provided by the present invention has adopted annular bi-directional communication mechanism, so if there is a dispatching desk that fault has taken place, perhaps certain on the passage has disconnected, and does not influence the operate as normal of other dispatching desk.Other dispatching desk can also be realized communicating to connect normally from other direction, thereby has effectively ensured the communication security and the system reliability of whole dispatching communication system.
More than the annular networking method and the system thereof of multi-interface dispatching desk of being applicable to provided by the present invention had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from the utility model connotation it being done all will constitute to the utility model infringement of patent right, with corresponding legal responsibilities.
Claims (4)
1. an annular networking method that is applicable to multi-interface dispatching desk is used to realize the networking of switch and multi-interface dispatching desk, and described switch has at least two digital interfaces, and described multi-interface dispatching desk has at least two interface modules, it is characterized in that:
(1) determine the maximum quantity n of described multi-interface dispatching desk according to the bandwidth of described digital interface and the bandwidth of distributing to the transmission channel of each multi-interface dispatching desk, wherein n is a positive integer;
(2) first digital interface with described switch is connected with first interface module of multi-interface dispatching desk (1), second interface module of multi-interface dispatching desk (1) is connected with first interface module of multi-interface dispatching desk (2), and by parity of reasoning is connected with first interface module of multi-interface dispatching desk (n) to second interface module of multi-interface dispatching desk (n-1);
(3) second interface module with multi-interface dispatching desk (n) is connected with second digital interface of described switch, with makeup ring l network structure.
2. the annular networking method that is applicable to multi-interface dispatching desk as claimed in claim 1 is characterized in that:
Interface module in the described multi-interface dispatching desk is the combination in twos of E1 interface module, 2B+D interface module, xDSL interface module, ethernet interface module.
3. the annular networking method that is applicable to multi-interface dispatching desk as claimed in claim 1 is characterized in that:
Described switch and described multi-interface dispatching desk adopt annular bi-directional communication mechanism between any two.
4. dispatching communication system, realize based on annular networking method as claimed in claim 1, this dispatching communication system comprises a switch and n multi-interface dispatching desk, wherein n is a positive integer, described switch has at least two digital interfaces, described multi-interface dispatching desk has at least two interface modules, it is characterized in that:
First digital interface of described switch is connected with first interface module of multi-interface dispatching desk (1), second interface module of multi-interface dispatching desk (1) is connected with first interface module of multi-interface dispatching desk (2), by parity of reasoning is connected with first interface module of multi-interface dispatching desk (n) to second interface module of multi-interface dispatching desk (n-1), second interface module of multi-interface dispatching desk (n) is connected with second digital interface of described switch, with makeup ring l network structure.
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| CN200910081026A CN101854282A (en) | 2009-03-30 | 2009-03-30 | Annularly networking method for multi-interface dispatching desk and system thereof |
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| CN200910081026A CN101854282A (en) | 2009-03-30 | 2009-03-30 | Annularly networking method for multi-interface dispatching desk and system thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079069A1 (en) * | 2012-11-26 | 2014-05-30 | 华为技术有限公司 | Connection device and method for managing same |
| CN104702524A (en) * | 2015-03-13 | 2015-06-10 | 北京佳讯飞鸿电气股份有限公司 | Multi-homing networking method of dispatch stations, and network structure |
| CN113475042A (en) * | 2019-02-22 | 2021-10-01 | Ls电气株式会社 | Distribution board management system using ring network |
-
2009
- 2009-03-30 CN CN200910081026A patent/CN101854282A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079069A1 (en) * | 2012-11-26 | 2014-05-30 | 华为技术有限公司 | Connection device and method for managing same |
| US10129183B2 (en) | 2012-11-26 | 2018-11-13 | Huawei Technologies Co., Ltd | Connection apparatus and connection apparatus management method |
| CN104702524A (en) * | 2015-03-13 | 2015-06-10 | 北京佳讯飞鸿电气股份有限公司 | Multi-homing networking method of dispatch stations, and network structure |
| CN104702524B (en) * | 2015-03-13 | 2018-07-31 | 北京佳讯飞鸿电气股份有限公司 | The network-building method and network system that a kind of dispatching desk belongs to more |
| CN113475042A (en) * | 2019-02-22 | 2021-10-01 | Ls电气株式会社 | Distribution board management system using ring network |
| US11716221B2 (en) | 2019-02-22 | 2023-08-01 | Ls Electric Co., Ltd. | Switchboard management system using ring network |
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Application publication date: 20101006 |