CN1187946C - Control system used for telephone distributing frame and/or circuit switch box - Google Patents

Control system used for telephone distributing frame and/or circuit switch box Download PDF

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Publication number
CN1187946C
CN1187946C CNB018073220A CN01807322A CN1187946C CN 1187946 C CN1187946 C CN 1187946C CN B018073220 A CNB018073220 A CN B018073220A CN 01807322 A CN01807322 A CN 01807322A CN 1187946 C CN1187946 C CN 1187946C
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CN
China
Prior art keywords
converter
voice
telephone
interface circuit
connect
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Expired - Fee Related
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CNB018073220A
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Chinese (zh)
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CN1419775A (en
Inventor
许光
庄汤米
林仞
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Individual
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Individual
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Publication of CN1419775A publication Critical patent/CN1419775A/en
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Publication of CN1187946C publication Critical patent/CN1187946C/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/14—Distribution frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13076—Distributing frame, MDF, cross-connect switch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13092—Scanning of subscriber lines, monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13305—Transistors, semiconductors in general
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1332—Logic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1334—Configuration within the switch

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention relates to a control system used for a telephone distribution frame and/or a line switching box, which comprises a bus, a plurality of exchange interface circuits, and voice A/D converters, voice D/A converters and I/O controllers connected with the exchange interface circuits, a plurality of telephone interface circuits, and voice A/D converters, voice D/A converters, off-hook A/D converters and I/O controllers connected with the telephone interface circuits, wherein the D/A converters, the A/D converters and the I/O controllers are all connected with the bus which is also connected with a processor, and the operation of the A/D converters, D/A converters and the I/O controllers are controlled by the bus so as to realize the voice signal connection established between a pair of specific uplink ports and a pair of specific downlink ports by the bus. The telephone distribution frame and/or the line switching box can be automatically controlled so as to realize remote control, and the present invention can reduce labour cost, improve the performance of the distribution frame and/or the line switching box, and enable the distribution frame and/or the line switching box to be more effective and reliable.

Description

The control system that is used for telephone distributing frame and/or circuit switch box
Technical field
The present invention relates to the wire communication technical field, particularly a kind of control system that is used for telephone distributing frame and/or circuit switch box.
Background technology
Telephone line distributing cabinet or distributing frame (MDF) are a kind of telephone line connection devices, are used for telephone exchange and subscriber phone are finally coupled together, and are widely used in the public switched telephone network (PSTN) (PTSN).At present, the control that connects for circuit in the distributing frame all is the mode that adopts artificial wire jumper, manual maintenance.
China utility model patent CN2288561Y discloses a kind of distributing frame, just belongs to this manually operated distributing frame.
Because public switched telephone network (PSTN) is widely distributed, in large scale, it is complicated to connect, and the telephone subscriber is constantly changing again, therefore safeguard that the workload of distributing cabinet is very big, rely on artificial execute-in-place, cost height, low, the low-response of efficient, and the connection situation that can not accomplish to understand in real time each telephone line, can not satisfy the demand of the telephone communication that increases rapidly.In addition, because big multi telephone line cross-connecting box is installed in eminence again, the wiring danger close manually gets on.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above problem that existing telephone distributing frame and distributing cabinet exist.
For this reason, the invention provides a kind of control system that is used for telephone distributing frame or distributing cabinet, this system comprise a plurality of link to each other with telephone exchange on connect port to right with a plurality of following ports that connect that link to each other with subsets; A processor, bus, a plurality of A/D converter and an a plurality of D/A converter, wherein said processor, A/D converter and D/A converter link to each other by described bus; A plurality of phone/interface circuits, each telephone interface circuit respectively with described a pair of, the described A/D converter that connects down port centering in one with described D/A converter in one link to each other, be used between the substation that is connected with telephone interface circuit and A/D converter, D/A converter transmission signals and realize that Echo Cancellation will be will receive, transmit mixing; A plurality of exchange interface circuit, each exchange interface circuit respectively with described on connect in a pair of, the described A/D converter of port centering one with described D/A converter in one link to each other, be used between the switch that is connected with the exchange interface circuit and A/D converter, D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal; A plurality of I/O controllers link to each other with described bus, and described a plurality of telephone interface circuit and described a plurality of exchange interface circuit are connected respectively to above-mentioned a plurality of I/O controller.
Description of drawings
In conjunction with the drawings to the description of the preferred embodiments of the present invention, advantage and the beneficial effect that is used for the control system of telephone distributing frame or distributing cabinet of the present invention will be more readily understood, wherein:
Fig. 1 is the distributing frame of prior art or the schematic diagram of distributing cabinet;
Fig. 2 is the block schematic diagram of telephony wiring case control system according to an embodiment of the invention;
Fig. 3 is according to one embodiment of present invention, at the phone off-hook, and the flow chart of telephony wiring case control system work;
Fig. 4 is according to one embodiment of present invention, sends bell signal at switch, the flow chart of telephony wiring case control system work;
Fig. 5 is the calcspar of exchange interface circuit in the telephony wiring case control system according to an embodiment of the invention;
Fig. 6 is the calcspar of telephone interface circuit in the telephony wiring case control system according to an embodiment of the invention;
Fig. 7 is the physical circuit figure of exchange interface circuit in the telephony wiring case control system according to an embodiment of the invention;
Fig. 8 is the physical circuit figure of telephone interface circuit in the telephony wiring case control system according to an embodiment of the invention;
Fig. 9 is according to one embodiment of present invention, is kept at an example of the distribution connection table for information about on the memory device.
Embodiment
Fig. 1 is the distributing frame of prior art or the schematic diagram of distributing cabinet.Connect port on this distributing frame or the distributing cabinet and connect down between the port and connect, telephone exchange and specific user's phone are connected realizing by wire jumper is artificial.
Fig. 2 is the block schematic diagram of telephony wiring case control system according to an embodiment of the invention.As shown in the figure, have a plurality of link to each other with switch on connect port to (1 to n).Connect on each port to also respectively with 1 to the n corresponding connection of exchange interface circuit, that is: connecting port on links to each other with exchange interface circuit 1 to 1, on connect port and link to each other with exchange interface circuit 22, the rest may be inferred, on connect port n linked to each other with exchange interface circuit n.Each exchange interface circuit links to each other with an I/O controller with a voice A/D converter, a voice D/A converter respectively again, be used between connected switch and voice A/D converter, voice D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal, and send the phone off hook signal that the I/O controller transmits to switch.Above-mentioned voice A/D converter, voice D/A converter, I/O controller all link to each other with a bus respectively again.
As shown in Figure 2, also have a plurality of following ports that connect that link to each other with subsets respectively to (1 to m).Connect under each port to also respectively with telephone interface circuit 1 to m corresponding connection, that is: connect port under and link to each other with telephone interface circuit 11, connect port down and link to each other with telephone interface circuit 22, the rest may be inferred, time connects port m is linked to each other with telephone interface circuit m.Each telephone interface circuit links to each other with an I/O controller with a voice A/D converter, a voice D/A converter, an off-hook A/D converter respectively again, be used between connected phone and voice A/D converter, voice D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal, and send the switch bell signal that the I/O controller transmits to telephone set, with phone meet sb. at the airport, on-hook signal sends the off-hook A/D converter to.Above-mentioned voice A/D converter, voice D/A converter, I/O controller and off-hook A/D converter all link to each other with above-mentioned bus respectively again.
As shown in Figure 2, also have a processor to link to each other with described bus with a memory device.In this memory device, preserve connect port to connect down the right corresponding informance of port.Described processor is the work by those A/D of total line traffic control, D/A converter and I/O controller then, thus be implemented in connect on specific port to and specific under connect port between, set up voice signal by described bus and connect.
Below in conjunction with Fig. 3 and Fig. 4 operation principle of the present invention is described in detail.Fig. 3 is according to one embodiment of present invention, meets sb. at the airport the flow chart of telephony wiring case control system work at phone.When subscriber phone off-hook (step 300), off hook signal at first can arrive link to each other with this phone following, and even port is right, is assumed to be down here to connect port to 1.In step 301, this signal can be passed to coupled off-hook A/D converter to 1 telephone interface circuit that links to each other 1 with the following port that connects; This off-hook A/D converter carries out mould/number conversion to signal, and digital signal is sent to processor by bus.In step 302, processor receives the off hook signal that this off-hook A/D converter is sent, and at first according to the port numbers of this off-hook A/D converter, judging is which down connects the signal of port to sending from, connects port to 1 under being here.Then; This processor determine with this under connect port to connect on corresponding port to be that (on being assumed to be here port to 1) repeatedly, and with this on connect exchange interface circuit, voice A/D, D/A converter and the I/O controller of port to linking to each other.In step 303, this processor sends off hook signal by the I/O controller that links to each other with the exchange interface circuit to switch.Subsequently, step 303, connect port down 1 dialing tone that transmits or voice signal are passed to coupled voice A/D converter by telephone interface circuit 1, digital signal after conversion passes to bus, under the control of processor, pass to the voice D/A converter that links to each other with exchange interface circuit 1 again, convert analog signal to, send to through the exchange interface circuit and connect port 1; Simultaneously, on connect port 1 voice signal that transmits passed to coupled voice A/D converter by exchange interface circuit 1, digital signal after conversion passes to bus, under the control of processor, pass to the voice D/A converter that links to each other with telephone interface circuit 1 again, convert analog signal to, send to down through telephone interface circuit and connect port 1, thus formed connect down port to 1 and on connect dialing tone or the voice of port between and connect 1.Next, in step 305, the signal that processor constantly detects the off-hook A/D converter judges whether the phone on-hook, if there is not on-hook signal, then continues to keep voice and connects; Otherwise if receive extension and signal, then processor is controlled the I/O controller that is connected with exchange interface circuit 1, sends on-hook signal to switch, and finishes the voice connection in step 307.
Fig. 4 is according to one embodiment of present invention, sends bell signal at switch, the flow chart of telephony wiring case control system work.When switch is sent bell signal (step 400), bell signal can arrive at first that to connect port on one that links to each other with switch right, and the company's of being assumed to be port is to 1 here.In step 401, this signal can be passed to coupled voice A/D converter to the 1 exchange interface circuit that links to each other 1 with the last port that connects; This voice A/D converter carries out mould/number conversion to signal, and digital signal is sent to processor by bus.In step 402, processor receives the bell signal that this voice A/D converter is sent, and at first according to the port numbers of this voice A/D converter, judging is to connect the signal of port to sending from that, connects port to 1 on being here.Then, this processor determine with should on connect port to connecting port under corresponding to being that (being assumed to be down repeatedly port here) to 1, and connect telephone interface circuit, voice A/D, D/A converter and the I/O controller of port to linking to each other with this time.In step 403, this processor sends bell signal by the I/O controller that links to each other with telephone interface circuit to phone.In step 304, processor is judged the phone off-hook whether be issued bell signal, this be by judge with off-hook A/D converter that this telephone interface circuit 1 links to each other on whether transmit off hook signal and realize.If the phone off-hook then proceeds to the step 300 among Fig. 3, and then realize that voice connect; If phone does not have off-hook, proceeding to step 305, processor judges whether switch continues to send bell signal, this is by judging that whether transmitting bell signal on above-mentioned and the voice A/D converter that exchange interface circuit 1 links to each other realizes.If the judged result of step 305 is then to continue execution in step 401; Otherwise, stop to phone ringing at step 306 processor.
Fig. 5 is the calcspar of exchange interface circuit in the telephony wiring case control system according to an embodiment of the invention.Exchange interface circuit shown in this figure is made up of the circuit of balanced bridge, amplifying circuit and transmission telephone set state, thereby is implemented between connected switch and voice A/D converter, the voice D/A converter transmission signals and realizes that Echo Cancellation will be will receive, send signal and mix and to send the phone off hook signal that the I/O controller transmits to switch.
Fig. 6 is the calcspar of telephone interface circuit in the telephony wiring case control system according to an embodiment of the invention.Telephone interface circuit shown in this figure is made up of circuit, ringing circuit and the telephone BORSHT functions circuit of amplifying circuit, balanced bridge, transmission telephone set state, thereby be implemented between connected phone and voice A/D converter, the voice D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal, and send the switch bell signal that the I/O controller transmits to telephone set, send phone off-hook, on-hook signal to the off-hook A/D converter.
Fig. 7 is the physical circuit figure of exchange interface circuit in the telephony wiring case control system according to an embodiment of the invention.
Fig. 8 is the physical circuit figure of telephone interface circuit in the telephony wiring case control system according to an embodiment of the invention.
According to one embodiment of present invention, also have a memory device to link to each other with bus.In this memory device, preserve comprise connect port with connect down corresponding relation between the port be connected relevant information with distribution.Fig. 9 is according to one embodiment of present invention, is kept at the example that distribution on the memory device connects relevant information table.In the course of work of telephony wiring frame control system of the present invention, processor is to set up voice according to the corresponding relation that is write down in this table to connect.Specifically, be exactly in step 302,303,402,403, processor by inquire about this table and determine corresponding A/D, D/A converter port numbers, I/O director port number and on connect, connect down port and check the number; By changing the information in this table, just can change the connection result in the distributing frame.
According to a different embodiment, also have a network interface circuit to link to each other with bus.Can remote access be stored in link information table in the above-mentioned memory device by this network interface circuit, thereby realize Long-distance Control.
Used A/D, the D/A converter of the embodiment of the invention can be of the prior art as, grind the PCL-813B type data collecting card of magnificent company, PCL-727 type analog output unit.The used I/O controller of the embodiment of the invention can be of the prior art as, the PCL-720 type I/O control card that grinds magnificent company is equipped with PCLD-785B.The used processor of the embodiment of the invention, bus and memory can be of the prior art as grind the IPC610 PP1550 type industrial control computer of magnificent company.Certainly, these equipment also can adopt other manufacturer and other models or exploitation again more than.
Though the above description of this invention is undertaken by certain embodiments, it is apparent to those skilled in the art that under the situation that does not break away from aim of the present invention to also have many other variations.
By top detailed description of the present invention as can be seen, the control system that is used for telephone distributing frame and/or circuit switch box of the present invention can realize telephone distributing frame and/or control and then realize Long-distance Control automatically, can reach the performance that reduces cost of labor, improves distributing frame and/or circuit switch box and make it effective more and reliable.Simultaneously, many distributing frame or the circuit switch boxes of having used control system of the present invention interconnect the automatic detection that use can be carried out the telephone line operating state, utilize the function of its automatic wire jumper can realize that faulty line recovers conversation automatically.

Claims (5)

1. control system that is used for telephone distributing frame and/or circuit switch box, this system comprise a plurality of link to each other with telephone exchange on connect port to connect ports right with a plurality of link to each other with subsets following, it is characterized in that also comprising:
A bus;
A plurality of exchange interface circuit, described connect on each port to respectively with a corresponding connection of described exchange interface circuit; Each exchange interface circuit links to each other with an I/O controller with a voice A/D converter, a voice D/A converter respectively again, be used between the switch that is connected with this exchange interface circuit and voice A/D converter, voice D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal, and the phone off hook signal that the described I/O controller that this exchange interface circuit is connected transmits sends switch to; Above-mentioned voice A/D converter, voice D/A converter, I/O controller all link to each other with above-mentioned bus respectively again;
A plurality of telephone interface circuits, described connect under each port to respectively with a corresponding connection of described telephone interface circuit; Each telephone interface circuit links to each other with an I/O controller with a voice A/D converter, a voice D/A converter, an off-hook A/D converter respectively again, be used between the phone that is connected with this telephone interface circuit and voice A/D converter, voice D/A converter transmission signals and realize that Echo Cancellation mixes will receive, send signal, and the switch bell signal that the described I/O controller that will be connected with this telephone interface circuit transmits sends telephone set to, sends phone off-hook, on-hook signal to described off-hook A/D converter that this telephone interface circuit connects; Above-mentioned voice A/D converter, voice D/A converter, I/O controller and off-hook A/D converter all link to each other with above-mentioned bus respectively again;
A processor links to each other with above-mentioned bus, by the work of all A/D, D/A converter and I/O controller more than above-mentioned total line traffic control, thereby be implemented in connect on specific port to and specific under connect port between, set up voice signal by described bus and connect.
2. system according to claim 1, the hybrid circuit that wherein said telephone interface circuit is made up of balanced bridge, amplifier, telephone state transfer circuit and telephone BORSHT functions circuit.
3. system according to claim 1, the hybrid circuit that wherein said exchange interface circuit is made up of balanced bridge, amplifier and telephone state transfer circuit.
4. according to the described system of any one claim of front, wherein also comprise a memory device, be used to preserve above-mentioned A/D, D/A converter port numbers, I/O controller port numbers and on connect, connect down port check the number between the information of corresponding relation; Described processor is controlled according to the information of this corresponding relation and is set up the voice connection.
5. system according to claim 4 wherein also comprises a network interface circuit, links to each other with described bus, makes that described memory device can be by remote access.
CNB018073220A 2000-06-08 2001-06-08 Control system used for telephone distributing frame and/or circuit switch box Expired - Fee Related CN1187946C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00109121.2 2000-06-08
CN00109121 2000-06-08

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Publication Number Publication Date
CN1419775A CN1419775A (en) 2003-05-21
CN1187946C true CN1187946C (en) 2005-02-02

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CNB018073220A Expired - Fee Related CN1187946C (en) 2000-06-08 2001-06-08 Control system used for telephone distributing frame and/or circuit switch box

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CN (1) CN1187946C (en)
AU (1) AU2001272316A1 (en)
WO (1) WO2001097493A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102064986B (en) * 2010-12-07 2013-10-16 杭州通谷科技有限公司 Intelligent management equipment of Ethernet circuit to home and method for establishing switching circuit
CN103197649B (en) * 2013-04-07 2015-09-02 余俊威 A kind of acquisition controller and supervisory system thereof
CN114827764A (en) * 2022-06-02 2022-07-29 金川集团股份有限公司 Mine deep underground wired telephone communication network system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW223211B (en) * 1993-05-03 1994-05-01 Whitaker Corp Cable management system
JPH08130755A (en) * 1994-11-02 1996-05-21 Nippon Telegr & Teleph Corp <Ntt> Method and system for wiring management, and wiring information management device and wiring controller used therefor
JPH09135291A (en) * 1995-11-07 1997-05-20 N T T Telecom Eng Tokyo:Kk Line number switching device
CN2288561Y (en) * 1997-05-20 1998-08-19 深圳市华为技术有限公司 Main distribution frame

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CN1419775A (en) 2003-05-21
WO2001097493A1 (en) 2001-12-20
AU2001272316A1 (en) 2001-12-24

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