CN101106574A - Pulse coding modulation integrated access device - Google Patents
Pulse coding modulation integrated access device Download PDFInfo
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- CN101106574A CN101106574A CNA200610028800XA CN200610028800A CN101106574A CN 101106574 A CN101106574 A CN 101106574A CN A200610028800X A CNA200610028800X A CN A200610028800XA CN 200610028800 A CN200610028800 A CN 200610028800A CN 101106574 A CN101106574 A CN 101106574A
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Abstract
An intelligent pulse code modulation integrated access device includes a system module, and a crossed control module, a business panel module and a power module in circuit connection with the system module in sequence, as well as a control part, a cross connection part and a clock part. The crossed control module is in circuit connection with a E1 (data transmission European standard) interface unit. The business panel module includes a plurality of user panels, each of which contains a plurality of business sub-slot positions and corresponding business sub-cards. The invention adopts modularization design, with rich analogue interfaces and varieties of data interfaces, with the advantages of concise structure, flexible and powerful function and perfect protection mechanism.
Description
Technical field
The present invention relates to a kind of pulse coding modulation integrated access device.
Background technology
Along with enterprise is more and more higher to the requirement of communication (especially data communication), communication flows is bigger, and class of business is abundanter, and the flexibility and the manageability of the service that requirement is simultaneously provided increase greatly.Everything all requires telecom operators to provide the flexile access service of trying one's best to group user, should comprise traditional voice service, provide again such as miscellaneous data, images serve such as Ethernet, environmental monitoring, picture control, video conferences, promptly so-called integrated service inserts.Simultaneously,, provide relevant statisticss such as flow, allow user's " management " own service channel of being rented of having the ability, and this service must there be quality assurance if this access service is gageable for the user.And the group user of different scales, different industries, different regions has a long way to go to the requirement of access service, and these have all constituted the complexity of Access Network level business.
Traditional PCM (pulse code modulation) equipment is meant the multi-path voice business is multiplexed on the E1.At present, the notion of PCM has obtained very big expansion, not only is confined in the multiple connection of speech, but uniform service such as comprising speech, data, image can be multiplexed into E1.Like this, just making PCM equipment might finish most of function that the traditional data access device is finished, is effective extension of Access Network.But present PCM equipment is still abundant inadequately to user's interface, still has certain limitation for the business that inserts different rates, different electrical standards.
The PCM basic group multiplex equipment converts one tunnel telephone signal to the 64k data-signal, accounts for a time slot, and 30 road speeches add 2 tunnel control signals (signaling synchronously) totally 32 time slots, the multiplexing 2048K that becomes, 2M just, the interface of 2M signal meets G.703 standard, and frame format meets G.704 standard.The PCM equipment in past does not have cross connect function, can only realize conversion by the equipment wire jumper, and at present because the intelligentized PCM equipment that just has the time slot cross connect function has appearred in the raising of software engineering level.
Because the complexity of Access Network level business must guarantee reliability of service transmission.This has just proposed very high requirement to the reliability of access device and the flexibility of networking.Requirement is in device looses power or the reliable transmission of customer service occurs still guaranteeing under the situation of other equipment faults, under any networking mode, guarantees that the fault of network does not influence service delivery.
The expansion of network size and the complexity of network layer have strengthened the difficulty to the network centralized management.Existing P CM basic group multiplex equipment then is not easy to the monitoring of network operator to network as if the network management of not supporting to concentrate, upgrading and maintenance.The on-line file management then influences the reliability of Network if do not support can not in time accurately locate and record fault when breaking down other management of NE-level.
Summary of the invention
The object of the present invention is to provide a kind of pulse coding modulation integrated access device, adopt modularized design, have abundant analog interface and several data interface, simple for structure clear, flexible function is powerful, and has perfect protection mechanism.
For achieving the above object, a kind of intelligent pulse coding modulation integrated access device involved in the present invention, comprise system module and successively circuit be connected in intersection control module, business board module and power module on the system module.
Described intersection control module also circuit connects E1 (transfer of data European standard) interface unit;
Described intersection control module comprises control section, interconnection part and clock part, control section is controlled system by microprocessor, monitors the operating state of E1 interface unit, gathers warning information, send a warning message to supervisory control system, take orders from supervisory control system.The interconnection of service channel, multiplexing and demultiplexing are partly finished in interconnection, and the E1 signal is carried out CRC (CRC check) and error checking, have the function that E1 inserts simultaneously.The clock part then is responsible for providing the work clock of system.
Described business board module comprises some user's plates, and each user's plate comprises several service subcard groove positions and corresponding some service subcards;
Further described service subcard comprises: automatic telephone interface card (POTS), 2/4 audio frequency+EM interface card, multi-protocol data card, asynchronous data card, high-fidelity broadcast card.The automatic telephone interface card (POTS) be used to provide the plain old telephone interface, is connected a side with switch and adopts the local side plate, is connected a side with substation and adopts distal plate.2/4 audio frequency+EM interface card is mainly used in the transmission of 2 lines, 4 line audio frequency or carrier signal, also can be used to have E﹠amp; Voiceband user signal and motherboard signal are finished in connection between the switch of M signaling trunk interface, the mutual conversion between EM signaling line states signal and the digital signalling.The multi-protocol data card is finished collection, the coding of user's synchronous/asynchronous data and the interface conversion that arrives motherboard ST-BUS (serial communication bus), synchronous working is in DCE (data communications equipment) pattern, clock externally is provided, and transmission rate is supported 8K, 16K, 32K, 64K.Asynchronous data card is finished collection, the coding of user's asynchronous data and the interface conversion that arrives motherboard ST-BUS.The high-fidelity broadcast card provides stereo or monophony high-fidelity broadcasting service, finishes collection, coding, the decoding of audio user signal and the interface conversion that arrives motherboard ST-BUS.
Described system module is a backboard, comprises system bus and part interface.
Further the interface on the backboard comprises: the online download interface of program, webmaster mouth, alarm output interface, clock label input interface, 2M access port.The online download interface of program is used to connect monitor terminal, carries out the online upgrading of system program; Network management interface is used to connect monitor terminal, can put in order the net monitoring; The alarm output interface is used for externally sending equipment alarm information, uses for centralized alarm system; Clock label input interface is used to receive the clock information that the external clock system sends here.
Described power module also comprises two kinds on local supply dish and far end supply dish, is the supply module of system, and the local supply dish is used for the power supply of PCM integrated access equipment, and the far end supply dish is used for the power supply to the PCM integrated access equipment, and ringing-current can be provided.
The present invention also comprises the PC administrative unit that is connected with the system module circuit, realizes Topology Management, alarm management, configuration management, safety management and maintenance management function.Serial ports or network interface webmaster externally are provided, possess good extendibility, can realize that single-point inserts, full subnet equipment control.Cooperate the webmaster couple in adapter, can realize the management of plurality of subnets device network.Network management path is embedded on the 2M link between the equipment between the inner PCM integrated access equipment of subnet.
Intelligent pulse code modulation access device provided by the present invention; can match 16E1 interface or 8E1 interface protection type cabinet; dispose two 16E1 interfaces or 8E1 intersection control board; provide 1+1 hot backup to can be configured to band route protection function; also can not be with the route protection function, support the uneven output of 75 Ω also to support the output of 120 Ω balances.Every block power supply dish can independently be whole cabinet power supply, also can plug in the power panel of two people's backup functionalitys, and Hot Spare uses each other.
The present invention has and switches advantage reliable, that switching time is short, thereby guarantees the reliability of transmission network effectively with the limit of maximum; During the chain networking, middle arbitrary station power down does not all influence other website business, and equipment is supported the double loop power supply input; The NE-level network management capabilities of concentrating can be managed 16 subnets at most; Each subnet can be managed 128 network elements at most; Perfect alarm-monitor function: its operating state also can be implemented the real-time monitoring of the whole network by the PC monitor supervision platform except that can directly being indicated by panel, equipment can externally provide the alarm output interface simultaneously.
Description of drawings
Fig. 1 is a pulse coding modulation integrated access device system configuration schematic diagram.
Embodiment
Followingly specify a kind of better embodiment of the present invention according to Fig. 1:
As shown in Figure 1, intelligent pulse coding modulation integrated access device provided by the present invention, comprise system module and successively circuit be connected in intersection control module 1, business board module 2 and power module 3 on the system module.
Described intersection control module 1 is gone back circuit and is connected E1 (transfer of data European standard) interface unit;
Described intersection control module 1 is divided into control section, interconnection part and clock part; Control section is controlled system by microprocessor, monitors the E1 working state of system, gathers warning information, sends a warning message to supervisory control system, takes orders from supervisory control system.The interconnection of service channel, multiplexing and demultiplexing are partly finished in interconnection, and the E1 signal is carried out CRC (CRC check) and error checking, have the function that E1 inserts simultaneously.The clock part then is responsible for providing the work clock of system.
Described business board module 2 comprises 8 user's plate interfaces, and each user's plate has 15 service subcard groove positions, and corresponding 64K service subcard.
All kinds of service subcards comprise: automatic telephone interface card (POTS), 2/4 audio frequency+EM interface card, multi-protocol data card, asynchronous data card, high-fidelity broadcast card.The automatic telephone interface card (POTS) be used to provide the plain old telephone interface, is connected a side with switch and adopts the local side plate, is connected a side with substation and adopts distal plate.2/4 audio frequency+EM interface card is mainly used in the transmission of 2 lines, 4 line audio frequency or carrier signal, also can be used to have E﹠amp; Voiceband user signal and motherboard signal are finished in connection between the switch of M signaling trunk interface, the mutual conversion between EM signaling line states signal and the digital signalling.The multi-protocol data card is finished collection, the coding of user's synchronous/asynchronous data and the interface conversion that arrives motherboard ST-BUS, and synchronous working externally provides clock in the DCE pattern, and transmission rate is supported 8K, 16K, 32K, 64K.Asynchronous data card is finished collection, the coding of user's asynchronous data and the interface conversion that arrives motherboard ST-BUS.The high-fidelity broadcast card provides stereo or monophony high-fidelity broadcasting service, finishes collection, coding, the decoding of audio user signal and the interface conversion that arrives motherboard ST-BUS.
Described system module is a backboard, comprises system bus and part interface.
Further the interface on the backboard comprises: the online download interface of program, webmaster mouth, alarm output interface, clock label input interface, 2M access port.The online download interface of program is the RS232 interface, is used to connect monitor terminal, carries out the online upgrading of system program; Network management interface is the RS232 interface, is used to connect monitor terminal, can put in order the net monitoring; The alarm output interface is the RS422 interface, is used for externally sending equipment alarm information, uses for centralized alarm system; Clock label input interface is the RS422 interface, is used to receive the clock information that the external clock system sends here.
Described power module 3 is supply modules of system, to from DC power-supply system, obtain-48V DC converts that system works needs to+5V through DC/DC DC-to-DC modular converter,-5V power supply, ringing-current, it comprises two kinds on local supply dish and far end supply dish, the local supply dish is used for the PCM integrated access equipment is powered, the far end supply dish is used for the power supply to the PCM integrated access equipment, and ringing-current can be provided.
The present invention also comprises the PC administrative unit that is connected with the system module circuit, realizes Topology Management, alarm management, configuration management, safety management and maintenance management function.Serial ports or network interface webmaster externally are provided, possess good extendibility, can realize that single-point inserts, full subnet equipment control.Cooperate the webmaster couple in adapter, can realize the management of plurality of subnets device network.Network management path is embedded on the 2M link between the equipment between the inner PCM integrated access equipment of subnet.
Intelligent pulse code modulation access device provided by the present invention; can match 16E1 interface or 8E1 interface protection type cabinet; dispose two 16E1 interfaces or 8E1 intersection control board; provide 1+1 hot backup to can be configured to band route protection function; also can not be with the route protection function, support the uneven output of 75 Ω also to support the output of 120 Ω balances.Every block power supply dish can independently be whole cabinet power supply, also can plug in the power panel of two people's backup functionalitys, and Hot Spare uses each other.
The present invention has and switches advantage reliable, that switching time is short, thereby effectively protects with the limit of maximum The reliability of card transmission network; During the chain networking, middle arbitrary station power down does not all affect other website business, Equipment is supported the double loop power supply input; The NE-level network management capabilities of concentrating can be managed at most 16 sons Net; Each subnet can be managed at most 128 network elements; Perfect alarm-monitor function: its duty Except can directly being indicated by panel, also can implement by the PC monitor supervision platform Real Time Monitoring of the whole network, simultaneously Equipment can externally provide the alarm output interface.
Claims (8)
1. pulse coding modulation integrated access device, it is characterized in that comprising system module and successively circuit be connected in intersection control module, business board module and power module on the system module;
Described intersection control module comprises control section, interconnection part and clock part that circuit connects.
2. intelligent pulse coding modulation integrated access device as claimed in claim 1 is characterized in that described intersection control module circuit connection is applicable to the European standard data transmission interface.
3. intelligent pulse coding modulation integrated access device as claimed in claim 1 is characterized in that described business board module comprises some user's plates, and each user's plate comprises several service subcard groove positions and corresponding some service subcards.
4. intelligent pulse coding modulation integrated access device as claimed in claim 3, it is characterized in that described service subcard comprises the automatic telephone interface card (POTS) that places respectively in user's integrated circuit board groove, 2/4 audio frequency+EM interface card, multi-protocol data card, asynchronous data card, the high-fidelity broadcast card.
5. intelligent pulse coding modulation integrated access device as claimed in claim 1 is characterized in that described system module is a backboard, comprises system bus and part interface.
6. intelligent pulse coding modulation integrated access device as claimed in claim 5 is characterized in that the interface on the described backboard comprises respectively: the online download interface of program, webmaster mouth, alarm output interface, clock label input interface and 2,000,000 access ports.
7. intelligent pulse coding modulation integrated access device as claimed in claim 1 is characterized in that described power module comprises two kinds on local supply dish and far end supply dish.
8. intelligent pulse coding modulation integrated access device as claimed in claim 1, it is characterized in that described intelligent pulse coding modulation integrated access device, also comprise the PC administrative unit that is connected with the system module circuit, realize Topology Management, alarm management, configuration management, safety management and maintenance management function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610028800XA CN101106574A (en) | 2006-07-11 | 2006-07-11 | Pulse coding modulation integrated access device |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200610028800XA CN101106574A (en) | 2006-07-11 | 2006-07-11 | Pulse coding modulation integrated access device |
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| CN101106574A true CN101106574A (en) | 2008-01-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316229A (en) * | 2010-07-07 | 2012-01-11 | 北京讯光科技发展有限责任公司 | Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method |
| CN101577601B (en) * | 2009-04-30 | 2013-04-03 | 西安民兴信息工程有限责任公司 | Device for interconnecting signaling among PCM equipment and application method |
| CN103297636A (en) * | 2013-06-24 | 2013-09-11 | 南京华东电子集团有限公司 | Multipoint transmission equipment system and method based on SHDSL (Single-pair High-speed Digital Subscriber Line) |
| CN106658239A (en) * | 2016-12-06 | 2017-05-10 | 天津光电通信技术有限公司 | Multi-chipset built uniform access processing platform based on SDN thought |
-
2006
- 2006-07-11 CN CNA200610028800XA patent/CN101106574A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101577601B (en) * | 2009-04-30 | 2013-04-03 | 西安民兴信息工程有限责任公司 | Device for interconnecting signaling among PCM equipment and application method |
| CN102316229A (en) * | 2010-07-07 | 2012-01-11 | 北京讯光科技发展有限责任公司 | Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method |
| CN103297636A (en) * | 2013-06-24 | 2013-09-11 | 南京华东电子集团有限公司 | Multipoint transmission equipment system and method based on SHDSL (Single-pair High-speed Digital Subscriber Line) |
| CN103297636B (en) * | 2013-06-24 | 2016-12-28 | 南京华东电子集团有限公司 | A kind of based on SHDSL multicast communication device systems and method |
| CN106658239A (en) * | 2016-12-06 | 2017-05-10 | 天津光电通信技术有限公司 | Multi-chipset built uniform access processing platform based on SDN thought |
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Open date: 20080116 |