CN1283087C - Broadband/narrow band telecom system - Google Patents
Broadband/narrow band telecom system Download PDFInfo
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- CN1283087C CN1283087C CN 03154405 CN03154405A CN1283087C CN 1283087 C CN1283087 C CN 1283087C CN 03154405 CN03154405 CN 03154405 CN 03154405 A CN03154405 A CN 03154405A CN 1283087 C CN1283087 C CN 1283087C
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Abstract
The present invention relates to the field of communication, particularly to a broadband/narrowband telecommunication system which comprises a local end device and a user outer device which are connected through a wiring rack, wherein the local end device comprises a broadband circuit board and a signal separator; the user outer device comprises a user end device. The present invention is characterized in that the broadband/narrowband telecommunication system also comprises a circuit testing wire grabbing device which is positioned on the broadband circuit board. The present invention can save the machine and building space of installing a local end telecommunication device by a telecommunication carrier. Simultaneously, because the port density of the local end device is increased, the cost of common components (such as power supply components) in the device is shared by a plurality of ports; the shared cost of each port is reduced.
Description
Technical field
The present invention relates to field of telecommunications, relate in particular to a kind of wide and narrow strip telecommunication system.
Technical background
In the telecommunication service field, operator is by a copper twisted pair cable, provide broadband A SL telecommunication service and arrowband telecommunication service (POTS/ISDN business) simultaneously to the user, professional as ADSL over POTS (plain old telephone increase ADSL), ADSL over ISDN (ISDN establishes ADSL newly) etc., it is quite general that such is applied in home and overseas.
For making telecommunication system that this class applied business can be provided, requirement is corresponding to each bar copper twisted pair cable (promptly corresponding to each customer location), at local side and user side, all need each a self-corresponding low pass filter LPF (Low Pass Filter that is provided with, be commonly referred to separator splitter), a low frequency POTS (or ISDN) signal service treatment circuit, a high pass filter HPF (High Pass Filter) and a high-frequency signal (adsl signal) circuit of managing business, be used for the connection of a copper twisted pair cable (1 customer location).
Below in conjunction with the implementation method example shown in Figure 1A, Figure 1B, the basic principle of this operation system is described.
Shown in Figure 1B, each bar copper twisted pair cable (user outline 1) is gone up coexistence high frequency ADSL signal and low frequency POTS/ISDN signal, promptly has mixed signal; In the local side side, user outline is through relevant facility (the outer wire module of distributing frame of distributing frame MDF skeleton 9, wire jumper, the distributing frame tape internal wiring module) doing physics changes after the connection, pass through internal subscriber cable 3 again, be communicated in local side broadband DSLAM (the DSL Access Multiplexer) equipment 14, be provided with at least 1 SPL card 5 (SPL card: the abbreviation of splitter card) in the DSLAM, at least 1 broadband line an outpost of the tax office 7 (broadband line an outpost of the tax office is the adsl line card, ADSL line card), at least 1 master control and upper layer network adaptation module (or are respectively provided to few 1 main control module, 1 upper layer network adaptation module); Each SPL card comprises several (n road) LPF circuit, every road LPF carries out filtering to the mixed signal on its pairing subscriber's line, isolate narrow band signal (POTS/ISDN signal), the narrowband line an outpost of the tax office (POTS card or ISDN card) that is sent in the local side narrow-band devices carries out Business Processing, and each narrowband line an outpost of the tax office comprises several (m road) service processing circuit; Be provided with the ADSL service processing circuit of several (p road) circuit of high pass filter and identical way (p road) simultaneously in the broadband line an outpost of the tax office inside of DSLAM, every road high pass filter to the low frequency POTS/ISDN target signal filter on its pairing that subscriber's line after, by the ADSL service processing circuit of correspondence the ADSL signal is carried out Business Processing.
Shown in Figure 1A, the metal physics line of cable 6+ tape internal wiring module 8+ wire jumper 21+ tape internal wiring module 18+ cable 19 these sections of line 31 corresponding Figure 1B connects, its transmission be narrow band signal; Line 32 is corresponding to the cable 4 of Figure 1B, transmission be mixed signal; The metal physics line in outer wire module 17+ user outline 1 these districts of the cable 3+ tape internal wiring module 2+ wire jumper 20+ of line 33 corresponding Figure 1B connects, its transmission be mixed signal.
Distolateral similar in the processing drawn game that the user is distolateral, user side separator (LPF) is sent to substation with isolated narrow band signal, mixed signal on the subscriber's line is delivered to RTU, RTU inside is provided with high pass filter HPF (High Pass Filter), behind the filtering low frequency POTS/ISDN signal, RTU carries out Business Processing to high-frequency signal (adsl signal).
Among Figure 1B, for local side, just schematically drawn and be provided with 1 splitter card, 1 broadband line an outpost of the tax office, 1 master control and broadband upper layer network adaptation module (clamp) in the DSLAM equipment, distributing frame MDF be provided with the outer wire module of 1 distributing frame and 3 with should the corresponding distributing frame tape internal wiring module of outer wire module.
In the reality, the local side telecommunication service system shown in Figure 1B is simultaneously for a plurality of users provide connection, and distributing frame is provided with the outer wire module of a plurality of distributing frames distributing frame tape internal wiring module of the corresponding several number of number of outer wire module (and with); Also corresponding respectively increasing is provided with for the splitter card in the DSLAM equipment and the quantity of broadband line an outpost of the tax office.
In the reality, port number and the included port number of each distributing frame tape internal wiring module that the outer wire module of each distributing frame is included equate that generally typical case is 128 ports or 100 ports.(illustrate: so-called distributing frame outside line/tape internal wiring module is exactly the twisted-pair feeder connecting terminal block.2 binding posts of a corresponding twisted-pair feeder are called 1 port.)
Each SPL card comprises that the several circuit is used for being connected with some subscriber's lines, such as comprising that 32 road circuit can connect 32 subscriber's lines; Same, each narrowband line an outpost of the tax office also comprises the several circuit, such as 32 the road or 16 the tunnel; Each broadband line an outpost of the tax office also comprises the several circuit, such as 32 the road or 48 the tunnel.Single SPL card, the circuit way that single broadband line an outpost of the tax office, single narrowband line an outpost of the tax office comprise separately needn't necessarily equate.The circuit way that single SPL card and single broadband line an outpost of the tax office comprise separately is typically provided to equal.
In the telecommunication service system shown in Figure 1B, user outline between ustomer premises access equipment and local side MDF, part as subscriber line systems, because be in outdoor environment in the practical application, the user outline short takes place easily, break, bump faults such as power line, immersion, therefore need suitable automatic testing equipment be set at local side for this class subscriber's line fault, be used for finding and the identification fault, produce Trouble Report, telecom operators assign manpower to go to repair line fault according to Trouble Report.This automatic testing equipment is commonly referred to as the line fault automatic testing equipment.
This line fault automatic testing equipment generally is equipment or the system that is positioned at the DSLAM device external, or is positioned at a module of DSLAM device interior.
Can test each the bar subscriber's line that is connected to DSLAM in order to make the line fault automatic testing equipment, need be in each road user interface circuit link of local side, subscriber's line closure switching device shifter is set, and this device is commonly called " line relay is grabbed in test " or test transfer relay.The function of line relay is grabbed in test, is any one road subscriber's line that is connected to the DSLAM user interface circuit to be switched to the line fault automatic testing equipment be connected.Such function is called " line is grabbed in test " function.
In order to realize " line is grabbed in test " function, need in each road user interface circuit of each SPL card (or broadband line an outpost of the tax office), be provided with " line relay is grabbed in test ".Fig. 2, Fig. 3 and Fig. 4 are the operation principle schematic diagrames that line relay is grabbed in test.As can be seen from Figure 2, when automatic testing equipment was not tested subscriber's line, subscriber's line was through grabbing line relay (closing contact), directly and local side service processing circuit (LPF, HPF and ATU-C etc.) be communicated with, i.e. subscriber's line drawn game terminal circuit normally is communicated with.As can be seen from Figure 3, when automatic testing equipment is tested the 1 road subscriber's line, this subscriber's line switches closure, realizes through test bus and the connection of automatic testing equipment by grabbing line relay, and other users' (such as n road user) subscriber's line drawn game terminal circuit is still normal connection; As can be seen from Figure 4, when automatic testing equipment is tested n road subscriber's line, this subscriber's line switches closure, realizes through test bus and the connection of automatic testing equipment that other users' (such as the 1 tunnel user) subscriber's line drawn game terminal circuit is still normal connection again by grabbing line relay.
In the prior art, as shown in Figure 5, DSLAM equipment comprises a rack 14 at least, and at least 1 SPL card 5 of setting and at least 1 broadband line an outpost of the tax office 7 (are the adsl line card in the rack 14, ADSL line Card), wherein each piece SPL card corresponding to one in the broadband line an outpost of the tax office; Every block of SPL plate or broadband line an outpost of the tax office are provided with the connection that several (such as 32 tunnel) circuit is used for a plurality of users; Connect by cable 4 between SPL card 5 and the broadband line an outpost of the tax office 7, what cable 4 transmitted is the mixed signal of broadband signal and narrow band signal; Connect by cable 3 between SPL card 5 and the distributing frame tape internal wiring module 2, what cable 3 transmitted also is the mixed signal of broadband signal and narrow band signal; Connect by cable 6 between SPL card 5 and the distributing frame tape internal wiring module 8, what cable 6 transmitted is narrow band signal.
The MDF distributing frame is an inactive component in the reality, is installed in the lower floor in telecommunications machine building, and broadband device DSLAM is an active equipment, is installed in the upper strata in telecommunications machine building.Therefore, according to the implementation method of Fig. 5, the cable 3 between distributing frame and DSLAM equipment and the length of cable 6 generally surpass tens meters, sometimes even reach 200 meters.
In the DSLAM equipment of prior art scheme shown in Figure 5, for being provided, test grabs the line function, the method to set up that line relay is grabbed in its test as shown in Figure 6, be exactly at SPL card 5 inside, between cable 3 and LPF circuit 11, grab line relay 12 for each user is provided with.
The shortcoming of prior art:
(1) in DSLAM equipment enclosure inside, SPL card 5 and broadband line an outpost of the tax office 7 set up separately, each SPL card 5 and broadband line an outpost of the tax office 7 will respectively account for a slot of DSLAM equipment enclosure, cause the port density (the ADSL maximum number of user that standard cabinet DSLAM equipment can be supported is called port density) of DSLAM equipment to be difficult to improve.
(2) the MDF distributing frame is installed in the lower floor in telecommunications machine building in the actual environment, and broadband device DSLAM is installed in the upper strata in telecommunications machine building.Therefore the cable length between distributing frame and DSLAM equipment is longer, generally surpasses tens meters, the occasion that has even reach 200 meters.How reducing the quantity and the length of this cable, to save cable cost, is to need the problem considered in the engineering.According to the implementation method of Fig. 5, all between distributing frame and DSLAM equipment, promptly such cable needs 2 (2 groups) for cable 3 and cable 6.
(3) the LPF circuit 11 among Fig. 2 or Fig. 6 all is to be made of passive electronic (capacitor, inductor etc.) in the reality.If the internal circuit of SPL card 5 does not comprise other active electronic circuit or devices, SPL card 5 can be the passive circuit plate.Existing scheme method shown in Figure 6 is grabbed line relay in the test that SPL card 5 inside are provided with subscriber's line, because relay needs power supply to work, therefore SPL card 5 plates need be introduced power supply, power to grabbing line relay 12 from the System Backplane of DSLAM rack, therefore, SPL card 5 is active circuit parts in this case, the System Backplane that can not break away from the DSLAM rack during operate as normal promptly can not be separated with the DSLAM rack that is provided with power supply unit; In addition, passive relatively SPL card circuit board, the complexity of active SPL card circuit board increases.
Summary of the invention
The objective of the invention is to propose a kind of high port density, the wide and narrow strip telecommunication system that system cost is low and complexity is little, the present invention adopts following technical scheme for this reason:
A kind of wide and narrow strip telecommunication system comprises the local side apparatus and the user outline equipment that connect by distributing frame; Described local side apparatus comprises broadband line an outpost of the tax office and demultiplexer card, and described user outline equipment comprises ustomer premises access equipment; It is characterized in that described wide and narrow strip telecommunication system also comprises the line test line grabbing device, is positioned in the broadband line an outpost of the tax office.
Described demultiplexer cassette tape has low-pass filter circuit, and described broadband line cassette tape has high-pass filtering circuit, and described line test line grabbing device is between low-pass filter circuit and high-pass filtering circuit.
Described demultiplexer is positioned in the distributing frame outside.
Described distributing frame, comprise outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, described outer wire module connects user outline, described outer wire module is connected by wire jumper with first tape internal wiring module, and described first tape internal wiring module is linked to each other with broadband line an outpost of the tax office through the demultiplexer card by cable with second tape internal wiring module; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
Described distributing frame, comprise outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, described outer wire module connects user outline, and described outer wire module is connected by wire jumper with first tape internal wiring module, and described first tape internal wiring module is connected to broadband line an outpost of the tax office by cable; Described second tape internal wiring module by cable through the demultiplexer card connection to broadband line an outpost of the tax office; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
Described demultiplexer is positioned in broadband line an outpost of the tax office inside.
Described distributing frame comprises outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, and described outer wire module connects user outline, and described outer wire module is connected by wire jumper with first tape internal wiring module; Described first tape internal wiring module, second tape internal wiring module are connected to broadband line an outpost of the tax office by cable respectively; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
Described demultiplexer card is the passive circuit integrated circuit board.
Described line test line grabbing device is the test transfer relay.
Technical scheme of the present invention makes this telecommunication system high port density, and system cost is low and complexity is little.Because the line test line grabbing device is arranged in the broadband line an outpost of the tax office, can be set to the passive circuit integrated circuit board by the demultiplexer card, both reduced the complexity of system, the operability of system and maintainability are strengthened greatly.
Description of drawings
Figure 1A is the local side circuit structure schematic diagram of corresponding 1 subscriber's line in the prior art;
Figure 1B is the organigram of ADSL over POTS/ISDN system in the prior art;
Fig. 2 is a testing apparatus not during detecting user's line in the prior art, the connection status schematic diagram of grabbing line relay of each user interface circuit of local side DSLAM;
Fig. 3 is when automatic testing equipment is tested the 1 road subscriber's line in the prior art, the connection status schematic diagram of grabbing line relay of each user interface circuit of DSLAM;
Fig. 4 is when automatic testing equipment is tested n road subscriber's line in the prior art, the connection status schematic diagram of grabbing line relay of each user interface circuit of DSLAM;
Fig. 5 is the existing implementation method schematic diagram of ADSL over POTS/ISDN telecommunication service system in the prior art;
Fig. 6 be in the prior art in the ADSL over POTS/ISDN telecommunication system DSLAM port grab the method to set up of line relay;
Fig. 7 be the present invention program one grab line relay method to set up and position view;
Fig. 8 is based on a kind of system constituting method schematic diagram of the present invention program one;
Fig. 9 be the present invention program two grab line relay method to set up and position view;
Figure 10 is based on a kind of system constituting method schematic diagram of the present invention program two;
Figure 11 is that of the present invention program three grabs line relay method to set up and position view;
Figure 12 is that another of the present invention program three grabbed line relay method to set up and position view;
Figure 13 is that another of the present invention program three grabs line relay method to set up and position view;
Figure 14 is based on a kind of system constituting method schematic diagram of the present invention program three.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
Wide and narrow strip telecommunication system of the present invention comprises local side apparatus and the user outline equipment that connects by distributing frame; This local side apparatus comprises broadband line an outpost of the tax office and demultiplexer card (to call the SPL card in the following text), this user outline equipment comprises ustomer premises access equipment, among the present invention, can provide test to grab the line function, line relay be grabbed in test be arranged in the broadband line an outpost of the tax office in order to make this system equipment.
In view of the above, can obtain different designs:
Scheme one:
Be described with reference to Fig. 8 and Fig. 7.At the local side telecommunication system that is used for providing broadband and arrowband telecommunication service, distributing frame tape internal wiring module 2 is set is connected with wire jumper 20 that (an other end of wire jumper 20 is connected the outer wire module of distributing frame, connect to the user outline direction), cable 3 is set between distributing frame tape internal wiring module 2 and SPL card 5, cable 4 is set between broadband line an outpost of the tax office 7 and SPL card 5;
SPL card 5 inside are not provided with relay, and the internal circuit of SPL card 5 does not comprise other active electronic circuit or devices, so SPL card 5 is the passive circuit clamp.
Passive circuit clamp SPL card 5 can be obtained according to such scheme one,, such system constituting method can be proposed based on this basis, as shown in Figure 8:
(1) new frame SPL frame 13 is set the position of beeline at distance distributing frame 15, this frame is passive frame (referring to not comprise in the rack power circuit or power supply unit) as far as possible;
(2) in the SPL frame 13 at least 1 described passive SPL card 5 is set and this passive SPL card circuit board only is set;
(3), at least 1 described broadband line an outpost of the tax office 7 is set in the inside of DSLAM equipment enclosure 14;
(4) connect by cable 4 between SPL card 5 and the broadband line an outpost of the tax office 7;
(5) connect by cable 3 between the tape internal wiring module 2 of SPL card 5 and distributing frame 15; Connect by cable 6 between the tape internal wiring module 8 of SPL card 5 and distributing frame 15.
Scheme two:
Be described with reference to Fig. 9 and Figure 10:
(1) at the local side telecommunication system that is used for providing broadband and arrowband telecommunication service, distributing frame tape internal wiring module 2 is set is connected with wire jumper 20 that (an other end of wire jumper 20 is connected the outer wire module of distributing frame, connect to the user outline direction), cable 3 is set between distributing frame tape internal wiring module 2 and broadband line an outpost of the tax office 7, cable 4 is set between broadband line an outpost of the tax office 7 and SPL card 5;
(2) test of DSLAM system is grabbed line relay 12 and be arranged on broadband line an outpost of the tax office 7 inside, between the interface connector 17 and HPF and ADSL treatment circuit 10 of cable 3;
(3) SPL card 5 inside are not provided with relay, and the internal circuit of SPL card 5 does not comprise other active electronic circuit or devices, so SPL card 5 is the passive circuit clamp.
Passive circuit clamp SPL card 5 can be obtained according to such scheme two,, such system constituting method can be proposed based on this basis, as shown in figure 10:
(1) new frame SPL frame 13 is set the position of beeline at distance distributing frame 15, this frame is passive frame (referring to not comprise in the frame power circuit or power supply unit) as far as possible;
(2) in the SPL frame 13 at least 1 described passive SPL card 5 is set and this passive SPL card circuit board only is set;
(3), at least 1 described broadband line an outpost of the tax office 7 is set in the inside of DSLAM equipment enclosure 14;
(4) connect by cable 4 between SPL card 5 and the broadband line an outpost of the tax office 7;
(5) connect by cable 3 between the tape internal wiring module 2 of broadband line an outpost of the tax office 7 and distributing frame 15; Connect by cable 6 between the tape internal wiring module 8 of SPL card 5 and distributing frame 15.
Scheme three:
Be described with reference to Figure 11, Figure 12, Figure 13 and Figure 14.This programme is at the local side telecommunication system that is used for providing broadband and arrowband telecommunication service, distributing frame tape internal wiring module 2 is set to be connected with wire jumper 20 (an other end of wire jumper 20 is connected the outer wire module of distributing frame, connects to the user outline direction), cable 3 its two ends are set are connected with the broadband line an outpost of the tax office 7 of distributing frame tape internal wiring module 2 and DSLAM equipment respectively;
Be used for the broadband signal of split circuit mixed signal and the local side filter LPF circuit 11 of narrow band signal, be set in the user interface circuit of broadband line an outpost of the tax office 7 inside;
Test is grabbed line relay 12 and is arranged in the broadband line an outpost of the tax office 7, is arranged in the appropriate location of the user interface circuit of broadband line an outpost of the tax office 7 inside.Figure 11, Figure 12, Figure 13 represent to test three kinds of methods to set up of grabbing line relay 12 positions.
According to such scheme three, provide in the local side telecommunication system of broadband and arrowband telecommunication service, no longer include independently SPL card (low pass filter LPF circuit clamp), therefore following such system constituting method can be proposed, as shown in figure 14,
(1) distributing frame tape internal wiring module 2 being set is connected with wire jumper 20;
(2) cable 3 its two ends are set and are connected with broadband line an outpost of the tax office 7 in the DSLAM equipment enclosure 14 with distributing frame tape internal wiring module 2 respectively,
(3), at least 1 described broadband line an outpost of the tax office 7 is set in the inside of DSLAM equipment enclosure 14;
(4) be provided with cable 6 its two ends respectively with DSLAM equipment enclosure 14 in broadband line an outpost of the tax office 7 be connected with distributing frame module 8, suitable wire jumper 20, distributing frame module 18 and cable 19 are set again, (narrow band service) signal communication on the cable 6 is arrived narrow band switching machine direction.
The present invention has following technique effect:
(1) any one scheme in use three kinds of schemes of the present invention, relative prior art scheme, under the identical situation of DSLAM equipment enclosure volume (taking up room), the quantity of the broadband line an outpost of the tax office 7 that DSLAM rack 14 can hold can increase greatly, and promptly the equipment port number that can provide improves greatly.
(2) use the solution of the present invention, (1) if the solution of the present invention one, cable 3 and cable 6 are stub cables, and cable 4 is long cables; The situation of prior art scheme is then opposite, and cable 3 and cable 6 are long cables, and cable 4 is stub cables.Therefore scheme one can be saved the consumption of cable material (length); (2) if the solution of the present invention two, cable 3 and cable 4 are long cables, and cable 6 is stub cables; The situation of prior art scheme is, cable 3 and cable 6 are long cables, and cable 4 is stub cables.Therefore scheme two is compared with the prior art scheme, and aspect the cable material consumption, situation is suitable.(3) if the solution of the present invention three, cable 4 no longer needs, and has saved cable; Also save Material Costs such as cable connector, reduced the systems technology complexity.
(3) use the solution of the present invention one or scheme two, relative prior art scheme, SPL card 5 has become the passive circuit plate by the active circuit plate, has therefore reduced technical sophistication degree and this circuit board Material Cost of SPL card 5.
The present invention can save the machine building space that telecommunication apparatus is installed by telecom operators, and simultaneously because port number increases, the cost of the common unit in the DSLAM equipment (for example power supply unit) is shared by more port, and the overhead cost of each port descends.
Method provided by the invention is not only applicable to ADSL over POTS/ISDN telecommunication service system, also is suitable for other xDSL over POTS/ISDN telecommunication service systems.The xDSL of indication includes but not limited to: ADSL, VDSL, ADSL+, ADSL2, ADSL2+.
Method provided by the invention is not only applicable to the telecommunication service system that local side DSLAM equipment and narrow band switching machine equipment are provided with respectively, also is suitable for this two kinds of telecommunication service systems that the equipment unification is provided with.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (9)
1, a kind of wide and narrow strip telecommunication system comprises the local side apparatus and the user outline equipment that connect by distributing frame; Described local side apparatus comprises broadband line an outpost of the tax office and demultiplexer card, and described user outline equipment comprises ustomer premises access equipment; It is characterized in that described wide and narrow strip telecommunication system also comprises the line test line grabbing device, is positioned in the broadband line an outpost of the tax office.
2, the system as claimed in claim 1, it is characterized in that described demultiplexer cassette tape has low-pass filter circuit, described broadband line cassette tape has high-pass filtering circuit, and described line test line grabbing device is between low-pass filter circuit and high-pass filtering circuit.
3, system as claimed in claim 1 or 2 is characterized in that described demultiplexer is positioned in the distributing frame outside.
4, system as claimed in claim 3, it is characterized in that described distributing frame, comprise outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, described outer wire module connects user outline, described outer wire module is connected by wire jumper with first tape internal wiring module, and described first tape internal wiring module is linked to each other with broadband line an outpost of the tax office through the demultiplexer card by cable with second tape internal wiring module; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
5, system as claimed in claim 3, it is characterized in that described distributing frame, comprise outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, described outer wire module connects user outline, described outer wire module is connected by wire jumper with first tape internal wiring module, and described first tape internal wiring module is connected to broadband line an outpost of the tax office by cable; Described second tape internal wiring module by cable through the demultiplexer card connection to broadband line an outpost of the tax office; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
6, system as claimed in claim 1 or 2 is characterized in that described demultiplexer is positioned in broadband line an outpost of the tax office inside.
7, system as claimed in claim 6, it is characterized in that described distributing frame comprises outer wire module, first tape internal wiring module, second tape internal wiring module and the 3rd tape internal wiring module, described outer wire module connects user outline, and described outer wire module is connected by wire jumper with first tape internal wiring module; Described first tape internal wiring module, second tape internal wiring module are connected to broadband line an outpost of the tax office by cable respectively; Described the 3rd tape internal wiring module is connected by wire jumper with second tape internal wiring module, and is connected to the narrow band switching machine of local side by cable.
8, the system as claimed in claim 1 is characterized in that described demultiplexer card is the passive circuit integrated circuit board.
9, the system as claimed in claim 1 is characterized in that described line test line grabbing device is the test transfer relay.
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154405 CN1283087C (en) | 2003-09-27 | 2003-09-27 | Broadband/narrow band telecom system |
| DE602004012277T DE602004012277T2 (en) | 2003-07-12 | 2004-07-12 | User connection test device and broadband and narrowband communication system |
| CA2531838A CA2531838C (en) | 2003-07-12 | 2004-07-12 | Subscriber line testing system, broadband line card and broadband/narrowband telecommunication system |
| ES08001026T ES2380380T3 (en) | 2003-07-12 | 2004-07-12 | Subscriber line test system, broadband line card and broadband / narrowband telecommunications system |
| AT04738386T ATE388549T1 (en) | 2003-07-12 | 2004-07-12 | USER CONNECTION TEST APPARATUS AND WIDEBAND AND NARROWBAND COMMUNICATION SYSTEM |
| PCT/CN2004/000788 WO2005006656A1 (en) | 2003-07-12 | 2004-07-12 | A user line testing system, a wideband line card and a wideband and narrowband communication system |
| ES04738386T ES2301998T3 (en) | 2003-07-12 | 2004-07-12 | EQUIPMENT FOR CHECKING THE SUBSCRIBER LINES AND TELECOMMUNICATION SYSTEM WIDE BAND / NARROW BAND. |
| AT08001026T ATE543299T1 (en) | 2003-07-12 | 2004-07-12 | TEST SYSTEM FOR A SUBSCRIBER LINE, BROADBAND LINE CARD AND BROADBAND/NARROWBAND TELECOMMUNICATIONS SYSTEM |
| EP04738386A EP1650900B1 (en) | 2003-07-12 | 2004-07-12 | A user line testing apparatus and broadband/narrowband telecommunication sytem |
| EP08001026A EP1919133B1 (en) | 2003-07-12 | 2004-07-12 | Subscriber line testing system, broadband line card and broadband/narrowband telecommunication system |
| US11/327,659 US7804940B2 (en) | 2003-07-12 | 2006-01-06 | Subscriber line testing system, broadband line card and broadband/narrowband telecommunication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154405 CN1283087C (en) | 2003-09-27 | 2003-09-27 | Broadband/narrow band telecom system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1602034A CN1602034A (en) | 2005-03-30 |
| CN1283087C true CN1283087C (en) | 2006-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03154405 Expired - Fee Related CN1283087C (en) | 2003-07-12 | 2003-09-27 | Broadband/narrow band telecom system |
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| Country | Link |
|---|---|
| CN (1) | CN1283087C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079920B (en) * | 2007-06-28 | 2011-11-23 | 中兴通讯股份有限公司 | Narrow user board with testing function and automatic testing method of user line |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125399A1 (en) * | 2005-05-27 | 2006-11-30 | Huawei Technologies Co., Ltd. | A subscriber board |
| CN1941650B (en) * | 2006-09-22 | 2010-05-12 | 华为技术有限公司 | Signal separation method and separating system and separator board |
| CN101345671B (en) * | 2007-07-13 | 2010-12-15 | 益网科技股份有限公司 | Network extension apparatus of switchable VDSL local side client terminal loop |
-
2003
- 2003-09-27 CN CN 03154405 patent/CN1283087C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079920B (en) * | 2007-06-28 | 2011-11-23 | 中兴通讯股份有限公司 | Narrow user board with testing function and automatic testing method of user line |
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| Publication number | Publication date |
|---|---|
| CN1602034A (en) | 2005-03-30 |
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