CN200973105Y - Pulse code modulation comprehensive access equipment - Google Patents
Pulse code modulation comprehensive access equipment Download PDFInfo
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- CN200973105Y CN200973105Y CN 200620043799 CN200620043799U CN200973105Y CN 200973105 Y CN200973105 Y CN 200973105Y CN 200620043799 CN200620043799 CN 200620043799 CN 200620043799 U CN200620043799 U CN 200620043799U CN 200973105 Y CN200973105 Y CN 200973105Y
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- pulse coding
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Abstract
The utility model relates to an intelligent pulse coding and modulating integrated switched-in equipment, which comprises a system module as well as a crossing control module, a business board module and a power supply module in the circuit connection with the system module in succession, wherein the crossing control module is in the circuit connection with the E1(European standard for data transmission) interface unit, and also comprises a controlling part, a crossing connection part and a clock part; wherein the business board module comprises a plurality of the user boards; each user board comprises a plurality of business sub-card slots and corresponding business sub-cards. The pulse coding and modulating integrated switched-in equipment also comprises a PC management unit connected with the system module circuit. The utility model adopts the modulated design and is provided with the rich analog interface and a plurality of data interfaces. The structure is simple and clear and the function is flexible and strong. Also a complete protection mechanism is provided.
Description
Technical field
The utility model 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.
The utility model content
The purpose of this utility model is to provide a kind of pulse coding modulation integrated access device, adopts modularized design, has abundant analog interface and several data interface, and 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 that the utility model is related, 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 utility model 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 utility model; 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 utlity model has and switch advantage reliable, that switching time is short, thereby guarantee the reliability of transmission network with the limit of maximum effectively; 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 utility model according to Fig. 1:
As shown in Figure 1, intelligent pulse coding modulation integrated access device provided by the utility model, 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 utility model 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 utility model; 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 utlity model has and switch advantage reliable, that switching time is short, thereby guarantee the reliability of transmission network with the limit of maximum effectively; 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.
Claims (8)
1, a kind of 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, 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, 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, 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, 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, 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, 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, pulse coding modulation integrated access device as claimed in claim 1 is characterized in that described pulse coding modulation integrated access device, also comprises the PC administrative unit that is connected with the system module circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043799 CN200973105Y (en) | 2006-07-11 | 2006-07-11 | Pulse code modulation comprehensive access equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043799 CN200973105Y (en) | 2006-07-11 | 2006-07-11 | Pulse code modulation comprehensive access equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200973105Y true CN200973105Y (en) | 2007-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620043799 Expired - Fee Related CN200973105Y (en) | 2006-07-11 | 2006-07-11 | Pulse code modulation comprehensive access equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200973105Y (en) |
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2006
- 2006-07-11 CN CN 200620043799 patent/CN200973105Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |