CN100571224C - The interconnection device of DWDM Ethernet official telephone and circuit switching official telephone - Google Patents

The interconnection device of DWDM Ethernet official telephone and circuit switching official telephone Download PDF

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Publication number
CN100571224C
CN100571224C CNB2006101128012A CN200610112801A CN100571224C CN 100571224 C CN100571224 C CN 100571224C CN B2006101128012 A CNB2006101128012 A CN B2006101128012A CN 200610112801 A CN200610112801 A CN 200610112801A CN 100571224 C CN100571224 C CN 100571224C
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China
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pcm
ethernet
signaling
dwdm
interface unit
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Expired - Fee Related
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CNB2006101128012A
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Chinese (zh)
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CN101136879A (en
Inventor
王庆双
夏亮
许鹍
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ZTE Corp
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ZTE Corp
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Abstract

The present invention relates to the interconnection device of a kind of DWDM Ethernet official telephone and circuit switching official telephone, be arranged between the DWDM monitor channel and DWDM monitor channel based on PCM based on Ethernet, comprise: the pcm interface unit, dock with described DWDM monitor channel, realize signal LVTTL level and described conversion in the described interconnection device based on signal level in the DWDM monitor channel of PCM based on PCM; The Ethernet interface unit docks with described DWDM monitor channel based on Ethernet; Signaling voice transmitting-receiving adapter unit is connected with described pcm interface unit and described Ethernet interface unit, and the signaling, the speech conversion that are used for PCM form that described pcm interface unit is received are the Ether frame signal and send to described Ethernet interface unit.The present invention can solve in the DWDM equipment based on interconnection, the intercommunication of Circuit-switched official telephone with the official telephone that exchanges based on Ethernet.

Description

The interconnection device of DWDM Ethernet official telephone and circuit switching official telephone
Technical field
The present invention relates to the interconnection device of a kind of Ethernet official telephone and circuit switching official telephone, particularly relate to a kind of DWDM of realization communication and be not equipped with the Ethernet official telephone in field and the interconnection of circuit switching official telephone, the device of intercommunication.
Background technology
The DWDM device distribution provides the monitor channel between the different websites at a plurality of websites.Monitor channel can be used for transmitting the network management monitoring information between the website, also can be used for transmitting service message.When carrying out the public affair contact between the website, can produce service message (signaling, voice).By means of monitor channel, can realize the transmission of service message.
During DWDM monitor channel transmission information, the PCM frame format can be adopted, also ethernet frame format can be adopted.According to the difference of frame format, DWDM equipment can provide the monitor channel based on PCM, and the monitor channel based on Ethernet also can be provided.
According to the difference of DWDM monitor channel employing frame format, need to adopt supporting official telephone device to carry out official call.When with PCM frame format transmission service message, need based on Circuit-switched official telephone device and realize the official telephone function, can referring to link to each other with monitor channel 104 among Fig. 1 based on the DWDM of PCM based on Circuit-switched official telephone device S1, S2......Sm; When with ethernet frame format transmission service message, need based on the official telephone device of Ethernet exchange and realize the official telephone function, link to each other with monitor channel 105 based on the DWDM of Ethernet based on Circuit-switched official telephone device P1, P2......Pn.
In with a kind of monitor channel, adopt identical frame format (PCM form or ethernet frame format) transmission service message between the different websites, thereby can adopt and identical realize the public affair function based on Circuit-switched official telephone device or based on the official telephone device of Ethernet exchange, but can't direct interconnection between two kinds of official telephone devices, intercommunication.
Summary of the invention
Technical problem to be solved by this invention is, provide the interconnection device of a kind of DWDM Ethernet official telephone and circuit switching official telephone, to realize based on Circuit-switched official telephone device and based on direct interconnection, intercommunication between the official telephone device of Ethernet exchange.
To achieve these goals, the invention provides the interconnection device of a kind of DWDM Ethernet official telephone and circuit switching official telephone, be arranged between the DWDM monitor channel and the DWDM monitor channel based on Ethernet based on PCM, described interconnection device comprises:
The pcm interface unit, dock with described DWDM monitor channel based on PCM, realize LVTTL signal level and described conversion in the described interconnection device based on signal level in the DWDM monitor channel of PCM, and being used to receive signaling, voice from the PCM form of described DWDM monitor channel based on PCM, the signaling, voice that perhaps are used to send the PCM form are to described DWDM monitor channel based on PCM;
The Ethernet interface unit docks with described DWDM monitor channel based on Ethernet, is used to receive the Ether frame signal from described DWDM monitor channel based on Ethernet, perhaps is used to send the Ether frame signal to described DWDM monitor channel based on Ethernet;
Signaling voice transmitting-receiving adapter unit, be connected with described pcm interface unit and described Ethernet interface unit, the signaling, the speech conversion that are used for PCM form that described pcm interface unit is received be the Ether frame signal and send to described Ethernet interface unit, and perhaps being used for the Ether frame conversion of signals that described Ethernet interface unit receives is that signaling, the speech concurrent of PCM form given described pcm interface unit.
Described signaling voice transmitting-receiving adapter unit comprises again:
Based on the signaling voice transmitting-receiving unit of PCM frame, be connected with described pcm interface unit, be used for extracting signaling, the voice of PCM form from described pcm interface unit, the signaling, voice that perhaps are used to send the PCM form are to described pcm interface unit;
Signaling voice transmitting-receiving unit based on ethernet frame, be connected with described Ethernet interface unit, the Ether frame signal that is used for receiving from described Ethernet interface unit obtains the IP bag, perhaps is used for IP sealed dressing up Ether frame and being sent to described Ethernet interface unit;
The signaling speech conversion unit of PCM frame and ethernet frame, be used for signaling, the voice of the described PCM form that is extracted based on the signaling voice transmitting-receiving unit of PCM frame are packaged into the IP bag, send to described signaling voice transmitting-receiving unit based on ethernet frame, perhaps from the described IP that obtains based on the signaling voice transmitting-receiving unit of ethernet frame wraps, extract signaling, the voice of PCM form, send to described signaling voice transmitting-receiving unit based on the PCM frame.
Described signaling voice transmitting-receiving adapter unit is a digital signal processor.
The model of described digital signal processor is TMS320VC5471.
Described signaling voice transmitting-receiving unit based on the PCM frame is a digital signal processor, and the signaling speech conversion unit of described PCM frame and ethernet frame and described signaling voice transmitting-receiving unit based on ethernet frame are to be realized by a CPU.
The model of described digital signal processor is TMS320VC5416, and the model of described CPU is XPC860TZP50D4.
Described pcm interface unit is a driver.
The model of described driver is IDT74FCT163245CPV8.
Described Ethernet interface unit is realized by interconnective ethernet physical layer interface and transformer.
The model of described ethernet physical layer interface is DJLXT971ALC.A4, and the model of described transformer is PE-68515L.
Adopt described device of the present invention, can solve in the DWDM equipment based on interconnection, the intercommunication problem of Circuit-switched official telephone with the official telephone that exchanges based on Ethernet.
Description of drawings
Fig. 1 is that DWDM Ethernet official telephone and circuit switching official telephone interconnection device are used schematic diagram;
Fig. 2 is the structural representation of interconnection device of the present invention;
Fig. 3 is the structural representation of one embodiment of the present of invention;
Fig. 4 is the structural representation of another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail.
For realizing needing a kind of interconnection device based on of interconnection, the intercommunication of Circuit-switched official telephone device with the official telephone device that exchanges based on Ethernet.The interconnection device of a kind of Ethernet official telephone and circuit switching official telephone is proposed among the present invention.
As shown in Figure 2, be the structure chart of interconnection device of the present invention.Wherein, of the present inventionly be connected between the DWDM monitor channel 104 and DWDM monitor channel 105 based on PCM based on Ethernet based on Circuit-switched official telephone device and based on the interconnection device 100 of the official telephone device of Ethernet exchange.This interconnection device 100 specifically comprises: based on the pcm interface unit 101 of the DWDM monitor channel of PCM, signaling voice transmitting-receiving adapter unit 102 is based on the Ethernet interface unit 103 of the DWDM monitor channel of Ethernet.As shown in the figure, 101,102,103 connect successively.
Pcm interface unit 101 docks with DWDM monitor channel 104 based on PCM, is used for realizing the PCM public affair signal of LVTTL level in the interconnection device 100 and DWDM monitor channel 104 PCM public affair signals based on PCM, the conversion between these two level.Owing to be connected with DWDM monitor channel 104 based on PCM based on Circuit-switched official telephone device S1, S2......Sm, and by these DWDM monitor channel 104 transmission service messages based on PCM, so mutual with based on the service message (signaling, voice) of Circuit-switched official telephone device S1, S2......Sm can further be finished by this DWDM monitor channel 104 based on PCM in this pcm interface unit 101.
Further comprise three parts in this signaling voice transmitting-receiving adapter unit 102: based on the signaling speech conversion unit 1022 of signaling voice transmitting-receiving unit 1021, PCM frame and the ethernet frame of PCM frame, based on the signaling voice transmitting-receiving unit 1023 of ethernet frame.Wherein, from pcm interface unit 101, extract from signaling and voice based on the signaling voice transmitting-receiving unit 1021 of PCM frame, and this signaling and voice are sent to the signaling speech conversion unit 1022 of PCM frame and ethernet frame based on the PCM form of Circuit-switched official telephone device.The signaling speech conversion unit 1022 of PCM frame and ethernet frame is packaged into the IP bag with signaling, the voice that receive, and sends to the signaling voice transmitting-receiving unit 1023 based on ethernet frame.And continue IP to be wrapped the DWDM monitor channel 105 that is sent to based on Ethernet by Ethernet interface unit 103.
Certainly, also can realize the inverse process of said process simultaneously.Ethernet interface unit 103 docks with DWDM monitor channel 105 based on Ethernet, with realize in the interconnection device 100 the ethernet frame signal and based on the transmitting-receiving between the ethernet signal in the DWDM monitor channel 105 of Ethernet.Owing to be connected with DWDM monitor channel 105 based on Ethernet based on official telephone device P1, the P2......Pn of Ethernet exchange, and by these DWDM monitor channel 105 transmission service messages based on Ethernet, so mutual with based on the service message (signaling, voice) of official telephone device P1, the P2......Pn of Ethernet exchange can further be finished by this DWDM monitor channel 105 based on Ethernet in this Ethernet interface unit 103.
The signaling speech conversion unit 1022 of PCM frame and ethernet frame receives the IP bag from the signaling voice transmitting-receiving unit 1023 based on ethernet frame, therefrom extract the signaling and the voice of PCM form, and send it to signaling voice transmitting-receiving unit 1021, and continue the signaling of PCM form and voice to be sent to DWDM monitor channel 104 based on PCM by pcm interface unit 101 based on the PCM frame.
Comprehensive above-mentioned means can solve DWDM based on interconnection, the intercommunication problem of Circuit-switched official telephone with the official telephone that exchanges based on Ethernet.
By the following examples, further describe specific implementation process of the present invention.
See also Fig. 1, shown in Figure 3, be the structural representation of the present invention's one specific embodiment.Be core with DSP (Digital Signal Processors, digital signal processor) and CPU in the present embodiment.The pcm interface unit realizes that by driver 301 this driver 301 is universal driver, and available model comprises IDT74FCT163245CPV8.Signaling voice transmitting-receiving unit 1021 based on the PCM frame in the signaling voice transmitting-receiving adapter unit 102 realizes that by general DSP its model comprises: TMS320VC5416.The signaling speech conversion unit 1022 of PCM frame and ethernet frame and realize that by general CPU the available model of this CPU comprises: XPC860TZP50D4 based on the signaling voice transmitting-receiving unit 1023 of ethernet frame.The Ethernet interface unit is realized by universal ethernet physical layer interface (PHY) and universal transformer 303.Wherein, the model of ethernet physical layer interface can be selected DJLXT971ALC.A4 for use, and transformer can be selected PE-68515L for use.
Driver 301 docks with DWDM monitor channel 104 based on PCM, realize the PCM signal of LVTTL level in the driver with based on PCM public affair signal in the DWDM monitor channel 104 of PCM, the conversion between these two level.DSP receives the signaling and the voice of PCM form by driver 301, the signaling and the voice that receive are sent to CPU, CPU is packaged into the IP bag with signaling and voice, further IP is sealed and dress up ethernet frame, and ethernet frame is sent in the official telephone device that exchanges based on Ethernet by Ethernet PHY and transformer 303.Simultaneously, CPU receives ethernet frame by Ethernet PHY and transformer 303, receives the IP bag, extracts the signaling and the voice of PCM form in the IP bag, and signaling and voice be sent to DSP, DSP sends to the signaling of PCM form and voice in the DWDM monitor channel 104 based on PCM by driver 301.Thereby realized based on of the intercommunication of Circuit-switched official telephone with the official telephone that exchanges based on Ethernet.
The second embodiment of the present invention is a core with DSP, sees also Fig. 1 and Fig. 4, is the structural representation of another specific embodiment of the present invention.
Among Fig. 4, the optional model of using among the embodiment of this driver is realized by driver 401 in the pcm interface unit.Signaling voice transmitting-receiving adapter unit 102 is by general DSP, for example TMS320VC5471 realizes, this ethernet physical layer interface (PHY) and the optional model of using among the embodiment of transformer are realized by ethernet physical layer interface (PHY) and transformer 403 in the Ethernet interface unit.
Driver 401 docks with DWDM monitor channel 104 based on PCM, realize the PCM signal of LVTTL level in this device with based on PCM public affair signal in the DWDM monitor channel 104 of PCM, conversion between these two level, and then finish and mutual based on the information (signaling, voice) of Circuit-switched official telephone device (S1 to Sm).DSP receives the signaling and the voice of PCM form by driver 401, signaling and voice are packaged into the IP bag, further IP is sealed and dress up ethernet frame, and ethernet frame is sent to based in (S1 to Sm) in the official telephone device of Ethernet exchange by Ethernet PHY and transformer 403.Simultaneously, DSP receives ethernet frame by ethernet physical layer interface and transformer 403, receive the IP bag, extract the signaling and the voice of PCM form in the IP bag, and the signaling of PCM form and voice are sent in the DWDM monitor channel 104 based on PCM by driver 401.Thereby realized based on of the intercommunication of Circuit-switched official telephone with the official telephone that exchanges based on Ethernet.
The various embodiments described above are only in order to illustrate characteristics of the present invention, make those of ordinary skill in the art can understand content of the present invention and enforcement according to this, be not to be used to limit scope of the present invention, the equivalent modifications of dying all not departing from the scope of the present invention and finishing still is included in claims of the following stated.

Claims (10)

1, the interconnection device of a kind of DWDM Ethernet official telephone and circuit switching official telephone is arranged between the DWDM monitor channel and the DWDM monitor channel based on Ethernet based on PCM, it is characterized in that described interconnection device comprises:
One pcm interface unit docks with described DWDM monitor channel based on PCM, realizes LVTTL signal level and described conversion based on signal level in the DWDM monitor channel of PCM in the described pcm interface unit; Be used to receive signaling, voice from the PCM form of described DWDM monitor channel based on PCM, the signaling, voice that perhaps are used to send the PCM form are to described DWDM monitor channel based on PCM;
One Ethernet interface unit, dock with described DWDM monitor channel based on Ethernet, be used to receive ethernet frame signal, perhaps be used to send the ethernet frame signal to described DWDM monitor channel based on Ethernet from described DWDM monitor channel based on Ethernet;
One signaling voice transmitting-receiving adapter unit, be connected with described pcm interface unit and described Ethernet interface unit, the signaling, the speech conversion that are used for PCM form that described pcm interface unit is received be the ethernet frame signal and send to described Ethernet interface unit, and perhaps being used for the ethernet frame conversion of signals that described Ethernet interface unit receives is that signaling, the speech concurrent of PCM form given described pcm interface unit.
2, interconnection device as claimed in claim 1 is characterized in that, described signaling voice transmitting-receiving adapter unit comprises again:
Based on the signaling voice transmitting-receiving unit of PCM frame, be connected with described pcm interface unit, be used for extracting signaling, the voice of PCM form from described pcm interface unit, the signaling, voice that perhaps are used to send the PCM form are to described pcm interface unit;
Signaling voice transmitting-receiving unit based on ethernet frame, be connected with described Ethernet interface unit, the ethernet frame signal that is used for receiving from described Ethernet interface unit obtains the IP bag, perhaps is used for IP sealed dressing up ethernet frame and being sent to described Ethernet interface unit;
The signaling speech conversion unit of PCM frame and ethernet frame, be used for signaling, the voice of the described PCM form that is extracted based on the signaling voice transmitting-receiving unit of PCM frame are packaged into the IP bag, send to described signaling voice transmitting-receiving unit based on ethernet frame, perhaps from the described IP that obtains based on the signaling voice transmitting-receiving unit of ethernet frame wraps, extract signaling, the voice of PCM form, send to described signaling voice transmitting-receiving unit based on the PCM frame.
3, interconnection device as claimed in claim 1 or 2 is characterized in that, described signaling voice transmitting-receiving adapter unit is a digital signal processor.
4, interconnection device as claimed in claim 3 is characterized in that, the model of described digital signal processor is TMS320VC5471.
5, interconnection device as claimed in claim 2, it is characterized in that, described signaling voice transmitting-receiving unit based on the PCM frame is a digital signal processor, and the signaling speech conversion unit of described PCM frame and ethernet frame and described signaling voice transmitting-receiving unit based on ethernet frame are to be realized by a CPU.
6, interconnection device as claimed in claim 5 is characterized in that, the model of described digital signal processor is TMS320VC5416, and the model of described CPU is XPC860TZP50D4.
7, as claim 1 or 2 or 4 or 5 described interconnection devices, it is characterized in that described pcm interface unit is a driver.
8, interconnection device as claimed in claim 7 is characterized in that, the model of described driver is IDT74FCT163245CPV8.
As claim 1 or 2 or 4 or 5 described interconnection devices, it is characterized in that 9, described Ethernet interface unit is realized by interconnective ethernet physical layer interface and transformer.
10, interconnection device as claimed in claim 9 is characterized in that, the model of described ethernet physical layer interface is DJLXT971ALC.A4, and the model of described transformer is PE-68515L.
CNB2006101128012A 2006-09-01 2006-09-01 The interconnection device of DWDM Ethernet official telephone and circuit switching official telephone Expired - Fee Related CN100571224C (en)

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CN101277156B (en) * 2008-05-12 2011-04-20 中兴通讯股份有限公司 Method for implementing official telephone using wavelength division multiplexing equipment
CN101389110B (en) * 2008-08-07 2011-10-26 中兴通讯股份有限公司 Apparatus and method for implementing official call by master control board
CN105611083B (en) * 2015-12-24 2019-01-22 瑞斯康达科技发展股份有限公司 A kind of methods, devices and systems for realizing call

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