CN104506236A - Small optical end equipment integrated with telephone interface and network interfaces - Google Patents
Small optical end equipment integrated with telephone interface and network interfaces Download PDFInfo
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- CN104506236A CN104506236A CN201410780487.XA CN201410780487A CN104506236A CN 104506236 A CN104506236 A CN 104506236A CN 201410780487 A CN201410780487 A CN 201410780487A CN 104506236 A CN104506236 A CN 104506236A
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Abstract
The invention discloses small optical end equipment integrated with a telephone interface and network interfaces. The small optical end equipment comprises user side equipment and line side equipment, wherein the user side equipment and the line side equipment are connected through two core fibers; the user side equipment comprises an LC fiber interface, the FXS telephone interface and one network interface; the line side equipment comprises an LC fiber interface, an E1 interface and the other network interface. The small optical end equipment has the advantages that the line side equipment and the user side equipment are cooperatively used to realize remote transmission of voice signals and data signals.
Description
Technical field
The invention belongs to electronic communication equipment and manufacture field product, industry and commercial communication field can be widely used in, be specifically related to the small light end equipment of a kind of integrated phone and network interface.
Technical background
Speech business and data service are two kinds of communication services the most basic, and traditional voice communication adopts Circuit-switched mode.First by pulse code modulation, by a Time Continuous, value continuous print analog signal is transformed into time discrete, transmits in the channel after the digital signal that value is discrete.Concrete grammar process first analog signal is sampled, and sampling carries out periodic scan to analog signal exactly, and signal continuous in time is become time upper discrete signal; Then to sample value amplitude quantizing, quantize to be exactly the instantaneous value obtained through oversampling by discrete for its amplitude, namely with the level of one group of regulation, the immediate level value of instantaneous sample values is represented; Finally encode, by level value one group of binary code representation.Through above process, analog voice signal is just transformed to the standard speech channel of 64kbit/s.Traditional telephone exchange exchanges different standard speech channels.
Different from exchange of speech mode, data service adopts the mode of packet switching.Packet switching also claims packet switch, and it is that the Data Placement that user transmits is become multiple less isometric part, and each part is called a data segment.Before each data segment, add the stem of the control information composition of some necessity, just constitute a grouping.What address is stem mail in order to indicate this grouping, then by the address mark of switch according to each grouping, they is forwarded to destination.
Due to this difference in speech business and data traffic exchange mode, the above business of traditional mode is by two covers completely independently system bearing.
It is more applicable that this mode compares concentrated area at subscriber traffic, and voice-and-data is convenient to management independently of one another, additionally can not increase expense simultaneously.But user is compared to the region of dispersion, need to lay netting twine and telephone wire from main equipment room respectively to user area, when transmission range is more than 100 meters, common netting twine cannot meet Ethernet transmission requirement, also needs to lay optical cable.As shown in Figure 1, there is following problem in which to concrete networking mode: (1) adopts independently equipment and distribution network due to phone and network, and manage comparatively complicated, cost is higher; (2) limited transmission distance of audio cable and netting twine, the transmission range of tone frequency channel wire is probably at 3 ~ 5 kilometers, and the transmission range of netting twine is probably at 100 meters.When exceeding above distance, need additional configuration photoelectric conversion device.
Summary of the invention
For solving the problem, the present invention devises a kind of small light end equipment having phone and network interface concurrently, by applying this equipment, effectively can widen communication network coverage and reducing communication network wiring cost.
The present invention adopts following technical scheme: the small light end equipment of a kind of integrated phone and network interface, comprises user side equipment and line side equipment, is connected therebetween by two core fibres.
Described user side equipment has LC optical fiber interface, FXS telephony interface and network interface; Analog telephone and computer network interface are respectively by the FXS telephony interface of telephone wire and netting twine access user side apparatus and network interface, voice signal and IP signal are processed by chip by user side equipment inside respectively, generate unified signal form, change into light signal finally by photoelectric conversion module, transmitted on line cable by LC optical fiber interface.
Described line side equipment has LC optical fiber interface, E1 interface and network interface; First described line side equipment transformed by photoelectric conversion module by the signal that line cable receives and generate the signal of telecommunication, then by chip, decapsulation is carried out to signal, resolve into E1 signal and IP signal, E1 signal accesses pbx switch by coaxial cable, and IP signal is by netting twine access data network switch.
Described user side equipment and line side equipment are all according to 19 inch standard subrack design, and base altitude is 1U, and interface quantity is 1 ~ 3U, and the casing of described user side equipment and line side equipment designs according to IP65 level of protection.
The handling process of voice signal and data-signal is as follows:
First analog voice signal is transformed into audio digital signals, audio digital signals is packaged into the packet signal that can transmit at Ethernet, the IP packet signal that above-mentioned packet signal and user side equipment network interface receive merges, and generate light signal by opto-electronic conversion, then transmit on line cable, after line side equipment receives above-mentioned light signal, carry out opto-electronic conversion, the Ethernet signal of telecommunication of generation standard, signal on speech interface and the signal on the network port are decomposed by the identification of header by inside chip, the e1 port of final access PBX switch.
Advantage of the present invention:
(1) the present invention by line side equipment and user side equipment with the use of, achieve the Long Distant Transmit of voice signal and data-signal.
(2) present device volume is little and can adapt to various adverse circumstances.
(3) the present invention effectively can widen communication network coverage and reduce communication network wiring cost.
(4) the present invention is by being blended in a station terminal equipment by telephony interface, network interface, offside is sent to by a pair optical fiber, at offside by the decomposition to signal, access telephone-switching network and data communication network respectively, achieve traditional voice to exchange and packet switching warm, reduce network construction cost, industry and commercial communication field can be widely used in.
Accompanying drawing explanation
The existing routine call of Fig. 1 and network layout system diagram.
Fig. 2 user side equipment interface diagram of the present invention.
Fig. 3 line side of the present invention equipment interface schematic diagram.
Fig. 4 voice and data-signal process chart.
Fig. 5 present system networking schematic diagram.
Fig. 6 practical implementation schematic diagram of the present invention.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 6, the present invention is further described.
A small light end equipment for integrated phone and network interface, is comprised user side equipment and line side equipment, is connected therebetween by optical cable.
User side equipment has LC optical fiber interface, FXS telephony interface, network interface, and it is as follows that its inside realizes principle: analog telephone and computer network interface are respectively by the FXS telephony interface of telephone wire and netting twine access device and RJ-45 network interface.Voice signal and IP signal are processed by chip by device interior respectively, generate unified signal form, change into light signal finally by photoelectric conversion module, are transmitted on line cable by LC optical fiber interface.
Line side equipment has LC optical fiber interface, E1 interface, network interface; It is as follows that its inside realizes principle: first the signal received by line cable is transformed by photoelectric conversion module and generate the signal of telecommunication, then by chip, decapsulation is carried out to signal, resolve into E1 signal and IP signal, E1 signal accesses pbx switch by coaxial cable, and IP signal is by netting twine access data network switch.
Line side of the present invention equipment and user side equipment are all according to 19 inch standard subrack design, and base altitude is 1U, can become 1 ~ 3U according to business interface quantitative design.Support-48V direct current supply or ~ 220V Alternating Current Power Supply.Present device casing, according to the design of IP65 level of protection, can adapt to various adverse circumstances.
The present invention by line side equipment and user side equipment with the use of, achieve the Long Distant Transmit of voice signal and data-signal, the handling process of its voice signal and data-signal is as follows:
First analog signal is sampled, then to sample value amplitude quantizing, the immediate level value of instantaneous sample values is represented, generation one group of binary code representation of finally encoding.Through above process, analog voice signal is just transformed to the standard digital speech channel of 64kbit/s, by IEEE 803 ethernet standard agreement, audio digital signals is encapsulated, generate the message of normal size one by one, and mark changing message at head interpolation heading, finally define the packet signal that can transmit at Ethernet.The IP packet signal that this signal and user side equipment network interface receive merges, and generates light signal by opto-electronic conversion, is then unified on line cable and transmits.After line side equipment receives light signal, carry out opto-electronic conversion, generate the Ethernet signal of telecommunication of standard, the signal on the signal that speech interface comes and the network port is decomposed by the identification of header by inside chip.After wherein voice signal resolves into 64kbit/s signal, then carry out time division multiplexing generation E1 signal (being made up of 32 road 64kbit/s signals), final access PBX e1 port.Data-signal, can direct access data network switch without the need to otherwise processed.Arrange 1 playscript with stage directions invention line side equipment at communication main station end (communication main station can be located at the core machine room of large enterprise, industrial cousumer), this equipment, by E1 interface and PBX equipment connection, is connected with data network core switch by network interface.
In communication substation, end arranges user side equipment of the present invention, and analog station passes through FXS(POTS) interface access, the network equipment is by network interface (RJ-45) access.
Line side equipment is connected by two core fibres with user side equipment, does not need additionally to lay telephone wire or netting twine.
Line side equipment can configure multiple E1 interface and optical fiber interface if necessary, connects from different user side equipments.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a small light end equipment for integrated phone and network interface, is characterized in that: comprise user side equipment and line side equipment, is connected therebetween by two core fibres.
2. the small light end equipment of integrated phone and network interface according to claim 1, is characterized in that: described user side equipment has LC optical fiber interface, FXS telephony interface and network interface; Analog telephone and computer network interface are respectively by the FXS telephony interface of telephone wire and netting twine access user side apparatus and network interface, voice signal and IP signal are processed by chip by user side equipment inside respectively, generate unified signal form, change into light signal finally by photoelectric conversion module, transmitted on line cable by LC optical fiber interface.
3. the small light end equipment of integrated phone and network interface according to claim 1, is characterized in that: described line side equipment has LC optical fiber interface, E1 interface and network interface; First described line side equipment transformed by photoelectric conversion module by the signal that line cable receives and generate the signal of telecommunication, then by chip, decapsulation is carried out to signal, resolve into E1 signal and IP signal, E1 signal accesses pbx switch by coaxial cable, and IP signal is by netting twine access data network switch.
4. the small light end equipment of integrated phone and network interface according to claim 1, it is characterized in that: described user side equipment and line side equipment are all according to 19 inch standard subrack design, base altitude is 1U, interface quantity is 1 ~ 3U, and the casing of described user side equipment and line side equipment designs according to IP65 level of protection.
5. the small light end equipment of integrated phone and network interface according to claim 1, it is characterized in that: first analog voice signal is transformed into audio digital signals, audio digital signals is packaged into the packet signal that can transmit at Ethernet, the IP packet signal that above-mentioned packet signal and user side equipment network interface receive merges, and generate light signal by opto-electronic conversion, then transmit on line cable, after line side equipment receives above-mentioned light signal, carry out opto-electronic conversion, the Ethernet signal of telecommunication of generation standard, signal on speech interface and the signal on the network port are decomposed by the identification of header by inside chip, the e1 port of final access PBX switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410780487.XA CN104506236A (en) | 2014-12-17 | 2014-12-17 | Small optical end equipment integrated with telephone interface and network interfaces |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410780487.XA CN104506236A (en) | 2014-12-17 | 2014-12-17 | Small optical end equipment integrated with telephone interface and network interfaces |
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| CN104506236A true CN104506236A (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109040496A (en) * | 2018-07-17 | 2018-12-18 | 烽火通信科技股份有限公司 | The realization method and system of the trans-regional transmitting of analog signal |
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| US8514846B2 (en) * | 1999-12-30 | 2013-08-20 | Shoretel, Inc. | Responding to IP call with a prompt to select an extension and routing packets to IP phone at selected extension |
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| CN1396757A (en) * | 2001-01-31 | 2003-02-12 | Nhc通信公司 | System and method for providing analog telephone service |
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| CN109040496A (en) * | 2018-07-17 | 2018-12-18 | 烽火通信科技股份有限公司 | The realization method and system of the trans-regional transmitting of analog signal |
| CN109040496B (en) * | 2018-07-17 | 2021-07-06 | 烽火通信科技股份有限公司 | Method and system for realizing cross-region transmission of analog signals |
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