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WO2007071146A1 - A broad-narrow band integrated board and method for testing said board - Google Patents

A broad-narrow band integrated board and method for testing said board Download PDF

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Publication number
WO2007071146A1
WO2007071146A1 PCT/CN2006/002760 CN2006002760W WO2007071146A1 WO 2007071146 A1 WO2007071146 A1 WO 2007071146A1 CN 2006002760 W CN2006002760 W CN 2006002760W WO 2007071146 A1 WO2007071146 A1 WO 2007071146A1
Authority
WO
WIPO (PCT)
Prior art keywords
broadband
bus
measurement
switching device
narrowband
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2006/002760
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English (en)
French (fr)
Inventor
Ruijie Xiao
Wei Zhang
Xiaodong Li
Jingshan Xian
Jun Ma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to ES06804978T priority Critical patent/ES2397930T3/es
Priority to EP06804978A priority patent/EP1906546B1/en
Priority to CNA200680011682XA priority patent/CN101156326A/zh
Publication of WO2007071146A1 publication Critical patent/WO2007071146A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing

Definitions

  • This invention relates to the Internet and, more particularly, to a wide and narrow band and a method of testing the board. Background of the invention
  • ADSL access technology delivers both traditional telephony and broadband services over twisted pairs.
  • the narrowband signal and the broadband signal on the line need to be separated and sent to the shared telephone switching network and the Internet for exchange; and then the narrowband at the other end of the network. After the business and broadband services are merged, they are sent to the client.
  • Fig. 1 The above process is shown in Fig. 1.
  • the narrowband service is carried out, and the computer at the AL1 end needs to communicate with the computer at the DL1 end to carry out the broadband service.
  • the signal from the AL1 computer passes through the Remote Terminal Unit (RTU), which is called a modem, and the telephone signal is combined by the separation protection circuit (SPL, Splitter) to generate a wide and narrowband mixed signal;
  • RTU Remote Terminal Unit
  • SPL Separated Signal
  • the access device A separates the wide and narrowband mixed signals on the AL1;
  • the broadband signal is sent to the Internet to exchange the route, and reaches the access device D at the destination DL1 end, in the access device D and
  • the narrowband signals sent to the DL1 end are merged and sent to the subscriber line of the DL1 end to reach the computer of the DL1 end; and the narrowband signal is sent to the PSTN exchange and sent to the access device B of the destination BLn, in the access device B.
  • the broadband signal sent to the BLn terminal is merged and sent to the BLn terminal subscriber line, and then separated by the SPL and then reaches the BLn terminal telephone, so that the telephone can be communicated with the BL
  • a service board used in an access device that can process both broadband services and narrowband services simultaneously.
  • a wide and narrow strip or simply a single board.
  • Figure 2 is a structural view of the cartridge of the unit. Usually, each board can support a certain number of subscriber line services. In Figure 2, only one subscriber line on the unit is provided.
  • the unified board In the upstream direction, the unified board first processes the mixed signal including the wideband signal indicated by CPE1 and the narrowband signal indicated by PH0NE1 sent from the subscriber end of the subscriber line 1: the narrowband signal is separated by the separation protection circuit, and is sent The narrowband user interface circuit 1 processes and then sends it to the narrowband data processing unit and finally to the narrowband switching network; and the wideband signal is finally sent to the broadband switching network through the broadband service circuit 1 and the broadband data processing unit. It should be noted that each subscriber line supported by the unified board shares a broadband data processing unit and a narrowband data processing unit.
  • the work done in the downlink direction is exactly the opposite of the uplink processing.
  • the broadband data processing unit allocates data from the broadband switching network to one subscriber line as needed, and the narrowband data processing unit obtains data from the narrowband switching network. It needs to be allocated to one subscriber line. For the first subscriber line, the broadband signal B1 and the narrowband signal N1 are combined and sent to the subscriber line 1 via the separation protection circuit.
  • the unit is equivalent to a signal relay board.
  • the broadband signal and the narrowband signal coming to the subscriber line are separated and sent to the switching network.
  • the broadband signal and the narrowband signal on the switching network are combined as needed. Paired and sent to the user line.
  • the general test method is to transfer the signal to be tested to the test bus dedicated to the test, and then use the special test board or test equipment connected to the test bus to test the signal.
  • the test of the signal from the subscriber line is typically referred to as an external test, and the signal test from the switched network is referred to as an internal test. If the narrowband route is completely disconnected and the broadband signal is tested separately, it is called a wideband grab line. In the prior art, the narrowband signal is affected by the broadband external measurement, which causes the narrowband signal to be interrupted. Meanwhile, the prior art cannot perform the narrowband internal measurement. In addition, the XDSL service is carried out on the telephone line.
  • each phone corresponds to a narrowband processing circuit in the narrowband data processing unit. If the narrowband processing circuit connected to one of the phones becomes another route, the number of the phone changes. Therefore, the narrowband processing circuit is required to be unchanged when performing broadband backup.
  • the first subscriber line (CPE1 + PHONE 1) is provided by the broadband service circuit 1 and the narrowband subscriber interface circuit 1 respectively. If the faulty broadband service circuit 1 can no longer provide broadband. Service, then in order to continue the broadband service of the user, it is necessary to replace the broadband service circuit 1 with another broadband service circuit to provide broadband service to the first subscriber line. This is broadband backup. In the prior art, broadband backup can cause a narrowband signal interruption of the original port.
  • the present invention provides a wide and narrow band combined plate and a method of testing the same.
  • a wide and narrow band combined plate further comprising:
  • a measurement bus for connecting a service signal to a measurement device
  • the switching device matrix is used to turn on the measurement bus and the subscriber line, so that the service signal to be tested enters the measurement bus, and at the same time forms a non-test service path.
  • a method for measuring a wide and narrow strip-to-board comprising:
  • connection measurement matrix and the subscriber line are selected by using the switching device matrix as needed, so that the service signal to be tested enters the measurement bus, and a non-test service path is formed at the same time;
  • the signal to be measured is measured by the measurement bus.
  • the wide-narrow-band-in-one board can be comprehensively tested, and the test of one signal does not affect the signal.
  • Other signals and, when the wideband and narrowband integrated board provided by the present invention is used for broadband backup, the narrowband signal is not affected; and the narrowband internal measurement can be performed.
  • FIG. 1 is a schematic structural diagram of a prior art XDSL broadband access system
  • FIG. 2 is a block diagram showing the functional structure of a prior art wide and narrow band combined board
  • FIG. 3 is a schematic diagram of the operation of the wide and narrow strip-in-one board of the present invention in normal operation;
  • FIG. 4 is a schematic diagram of a service when broadband wide-band measurement is performed using the wide-narrow-band integrated board of the present invention
  • FIG. 5 is a schematic diagram of a service when wide-band internal measurement is performed by using the wide-narrow-band integrated board of the present invention
  • FIG. 6 is a wide and narrow use of the present invention. Schematic diagram of the business when a single board is used for broadband external measurement and net line grabbing;
  • FIG. 7 is a schematic diagram of a service when narrow-band external measurement is performed using the wide-necked-striped board of the present invention
  • FIG. 8 is a schematic diagram of a service when narrow-band internal measurement is performed using the wide-narrow-band integrated board of the present invention
  • FIG. 9 is a wide and narrow use of the present invention.
  • Fig. 10 is a view showing the operation of the wide-band and wide-band combined board of the present invention for simultaneous broadband internal and external measurement. Mode for carrying out the invention
  • FIG. 3 is a schematic view showing the operation of the wide and narrow strip-in-one board in the normal operation of the present invention.
  • A represents any one of the subscriber lines on the unified board
  • the CPE/PHONE end is the user equipment connected to the user equipment
  • the XDSL end is the broadband interface to the broadband switching network
  • the subscriber line interface circuit SLIC, Subscriber Line
  • the Interface Circuit is connected to a narrowband switching network.
  • a broadband external test switch is included in the CPE/PHONE end of the subscriber line.
  • the XDSL end of the subscriber line includes a broadband internal test switch, that is, the KIA of the second switching device on the A-way subscriber line in the figure.
  • the KOA's normally open contact is connected to the broadband external test bus.
  • the KOA's normally closed contact is connected to the KIA's normally closed contact, and the KIA's normally open contact is connected to the wideband internal test bus.
  • the narrow-band internal measuring switch corresponds to the fourth switching device, and the normally-open contact is connected to the narrow-band internal measuring bus, and the normally-closed contact of the narrow-band internal measuring switch is connected to the network end of the subscriber line separation protection circuit, that is, the PRT part; the narrow-band external measuring switch corresponds to The seventh switching device has a normally open contact connected to the narrow-band external measuring bus, and a normally closed contact of the narrow-band external measuring switch is connected to the SLIC-A end; the narrow-band internal measuring switch is connected to the narrow-band external measuring switch.
  • the two switches are used to turn the narrowband signal to a narrowband external test bus or a narrowband internal test bus when needed.
  • the user terminal of the subscriber line separation protection circuit that is, the SPL portion
  • the network terminal of the measurement separation protection circuit that is, the PRT portion
  • switches K1, ⁇ 2, and ⁇ 3 are provided, which respectively correspond to the sixth switching device, the eighth switching device, and the third switching device, as auxiliary switches for internal and external testing.
  • the auxiliary switch K1 is located on the narrow-band external test bus, its normally open contact is suspended, and the normally closed contact is connected to the broadband external test bus;
  • the auxiliary switch ⁇ 2 is located on the broadband external test bus, its normally closed contact is suspended, and the normally open contact is connected.
  • the auxiliary switch ⁇ 3 is located on the broadband internal test bus, its normally closed contact is connected to the broadband external test bus, and the normally open contact is connected to the test device.
  • a measurement separation protection circuit (SPL+PRT) is also connected to the narrowband internal measurement bus.
  • the SPL part of the measurement separation protection circuit is connected to the broadband internal measurement bus, and the PRT part and the narrowband internal measurement of the separation protection circuit are measured.
  • the bus is connected.
  • the above switching device and the measurement separation protection circuit together constitute a switching device matrix.
  • the above switch can be implemented with a relay.
  • the internal test switch can be integrated in a solid state relay. Because the size of solid state relays is much smaller than the size of mechanical relays.
  • the broadband external test bus, narrow-band external test bus, narrow-band internal test bus and broadband internal test bus are connected to each other.
  • the broadband part of the signal entering the united board from the CPE-A/PHONE-A end is directly sent to the broadband switching network by the XDSL-A end, and the narrowband part passes through the subscriber line separation protection circuit, and then passes through the subscriber line.
  • the interface circuit (SLIC-A) is sent to the PSTN.
  • the narrowband signal entering the unified board from the PSTN passes through the SPL and the broadband signal from the broadband switching network into the unified board is aggregated and sent to the subscriber line of the CPE-A/PHONE-A end.
  • FIG. 4 is a schematic diagram of the operation when broadband widening is performed using the wide and narrow band combined board of the present invention.
  • the narrow-band internal measuring switch of the broadband external measuring switch KOA, the auxiliary switch K2 and the solid-state relay S1 is operated, that is, it is hit to the normally open point.
  • This broadband external test bus is connected to the CPE-A/PHONE-A terminal for external measurement of the wideband signal in the signal from the CPE-A/PHONE-A end to the unity board; and from CPE-A/PHONE-A
  • the narrow-band signal in the signal entering the unit is sequentially passed through the broadband external test bus.
  • the switch K2, the switch ⁇ 3, the measurement separation protection circuit, the narrow-band internal test bus and the solid-state relay S1 are still connected to the SLIC-A terminal, without affecting Narrowband business.
  • FIG. 5 is a schematic diagram of a service when broadband internal measurement is performed using the wide and narrow band combined board of the present invention.
  • the broadband internal measurement switch KIA and the auxiliary switch K3 are switched, that is, they are hit to the normally open point.
  • the broadband internal bus is connected to the XDSL-A end, and the broadband signal entering the unified board from the XDSL-A end can be internally measured; and the narrowband signal of the A-side subscriber line still enters from the SLIC-A port, through the solid state relay Sl,
  • the subscriber line separation protection circuit and the broadband external measurement switch KOA are sent to the user from the CPE-A/PHONE-A end without affecting the narrowband service.
  • Fig. 6 is a schematic view showing the operation when the wide and narrow belt-in-one board of the present invention is used for externally detecting the cleaning line.
  • the broadband external measuring switch KOA When it is necessary to perform the external measurement of the broadband, the broadband external measuring switch KOA, the auxiliary switches Kl, ⁇ 2 and ⁇ 3 are hit to the normally open point.
  • the broadband external test bus is connected to the Kushiro subscriber line, and the wideband signal on the A subscriber line can be externally measured; and the narrowband signal on the A subscriber line is connected to the SLIC-A end because there is no path, so that the narrowband service is completely completed. disconnect. This achieves the external inspection and clean line.
  • FIG ⁇ is a schematic diagram of the operation when narrow-band external measurement is performed using the wide and narrow-band integrated board of the present invention.
  • the narrow band external measuring switch of the auxiliary switch K2 and the solid state relay S1 is actuated, that is, it is hit to the normally open point.
  • the broadband route remains unchanged, that is, the broadband service is unchanged (the route is shown by the two-dot chain line in Figure 7); and the narrowband signal on the A-way subscriber line is transferred to the narrow-band external test bus through the solid-state relay to the broadband
  • the narrowband signal on the CPE-A/PHONE-A can be tested by the broadband external test bus.
  • FIG. 8 is a schematic diagram of the service when narrowband in-band measurement is performed using the wide and narrowband integrated board of the present invention.
  • the narrow-band internal measuring switch of the auxiliary switch K3 and the solid-state relay S1 is actuated, that is, it is hit to the normally open point.
  • the broadband route remains unchanged, that is, the broadband service remains unchanged; and the narrowband signal entering the united board from the SLIC-A is transferred to the narrowband internal test bus through the solid state relay to the broadband internal test bus, so that it can pass through the broadband
  • the test bus tests the narrowband signal on the SUC-A.
  • Fig. 9 is a schematic view showing the operation of wideband and narrowband using the wide and narrowband combined board of the present invention. If the DSL-B port fails, the broadband service cannot be provided. In order to keep the broadband service of the B-way subscriber line unblocked, it is necessary to exchange a broadband port to provide broadband service to the B-way subscriber line. It is assumed in Figure 9 that the backup task is completed by the XDSL-A port. At this time, the narrowband internal measuring switch of the broadband external measuring switch KOB, the broadband internal measuring switch KI A and the solid state relay S 2 is operated. That is to make it hit the normal opening point.
  • the broadband signal from the XDSL-A end is sent to the CPE-B/PHONE-B port through the broadband internal measurement switch KIA, the broadband internal measurement bus, the auxiliary switch K3, the auxiliary switch ⁇ 2, the broadband external measurement bus and the broadband external measurement switch.
  • the SLIC-B is sent to CPE-B/PHONE-B via solid state relay S2, narrowband internal test bus, measurement separation protection circuit, auxiliary switch K3, auxiliary switch ⁇ 2 and broadband external test bus. This keeps the narrowband service of the B-way subscriber line.
  • Fig. 10 is a view showing the operation of the wide-band and wide-band combined board of the present invention for simultaneous broadband internal and external measurement.
  • the broadband external measurement bus and the user terminal of the measurement separation protection circuit need to be connected, which can directly connect the broadband external measurement bus to the measurement separation protection circuit.
  • the client side is implemented.
  • an auxiliary switch K4 that is, a fifth switching device, may be connected between the broadband external test bus and the user terminal of the measurement separation protection circuit, and the auxiliary switch K4 is located in the measurement separation protection circuit.
  • its normally open contact is connected to the broadband external test bus, and the normally closed contact is suspended.
  • the wide-band external measuring switch KOA, the wide-band internal measuring switch KIA, the auxiliary switch K2, and the ⁇ 3 are actuated, that is, they are hit to the normally open point.
  • the broadband signal from the CPE-A/PHONE-A end is connected to the external test bus, and the broadband signal from the XDSL-A end is connected to the internal test bus, so that the external and internal measurement of the broadband can be simultaneously performed.
  • the narrow-band internal measuring switch action of the auxiliary switch ⁇ 4 and the solid-state relay S1 is turned to the normally open point, then the CPE-A/PHONE-A end passes the broadband external measuring switch KOA, the broadband external measuring bus, the auxiliary switch K4, and the measurement separation protection.
  • the circuit, narrow-band internal test bus, and solid state relay are connected to the SLIC-A end to keep the narrowband service unblocked.
  • the present invention also provides a method for measuring a wide-narrow-band-one board, comprising the following steps:
  • Step a Set the measurement bus and switching device matrix on the wide and narrow band unit.
  • Step b using the switching device matrix to select and connect the measurement bus and the subscriber line, so that the service signal to be tested enters the measurement bus, and forms a non-test service path.
  • Step c measuring the signal to be measured by measuring the bus.
  • the measurement bus includes a broadband external test bus, a broadband internal test bus, a narrowband external test bus, and a narrowband internal test bus.
  • the setting switching device matrix includes:
  • the KOA's normally open contact is connected to the broadband external test bus
  • the KOA's normally closed contact is connected to the KIA's normally closed contact
  • the KIA's normally open contact is connected to the broadband internal test bus.
  • Two serial switches are arranged between the SLIC end of the subscriber line and the subscriber line separation protection circuit (SPL+PRT), which are respectively referred to as a narrowband internal test switch and a narrowband external test switch.
  • the normally open contact of the narrowband internal test switch is connected to the narrowband internal test bus, and the normally closed contact of the narrowband internal test switch is connected to the network end of the subscriber line separation protection circuit, that is, the PRT portion;
  • the normally open contact of the narrowband external test switch is connected to Narrow-band external test bus, the normally closed contact of the narrow-band external test switch is connected to the SLIC-A terminal;
  • the narrow-band internal test switch is connected to the narrow-band external test switch.
  • the narrowband external measuring switch and the narrowband internal measuring light can be integrated in one solid state relay S1.
  • An auxiliary switch K1 is arranged on the narrow-band external test bus, and its normally open contact is suspended, and the normally closed contact is connected. Connected to the broadband external test bus; set the auxiliary switch K2 on the broadband external test bus, its normally closed contact is suspended, the normally open contact is connected to the test device; the auxiliary switch K3 is set on the broadband internal test bus, and its normally closed contact Connected to the broadband external test bus, the normally open contact is connected to the test set.
  • a measurement separation protection circuit (SPL+PRT) is arranged on the narrowband internal measurement bus, and the SPL part of the measurement separation protection circuit is connected to the broadband internal measurement bus, and the PRT part of the measurement separation protection circuit is connected to the narrowband internal measurement bus. .
  • the service signal to be tested is a broadband uplink signal, that is, the broadband external measurement is performed on the unified board, the narrowband internal measurement switch of the broadband external measurement switch ⁇ , the auxiliary switch ⁇ 2 and the solid state relay S1 is operated, that is, the switch is normally opened. Point. Therefore, the broadband uplink signal enters the measuring device through the broadband external measuring bus.
  • the measurement separation protection circuit is connected to the broadband external measurement bus and the narrowband internal measurement bus, wherein the network end of the measurement separation protection circuit is connected to the narrowband internal measurement bus, the user end is connected to the broadband external measurement bus; and the narrowband internal measurement bus is connected. To the subscriber line interface circuit, thereby forming a narrowband service path.
  • the service signal to be tested is a broadband downlink signal, that is, a broadband internal measurement is performed on the unit, the wideband internal switch ⁇ and the auxiliary switch ⁇ 3 are switched, that is, the switch is made to the normally open point. Therefore, the broadband downlink signal enters the measurement device through the broadband internal test bus; meanwhile, the narrowband service path in normal operation is continued to perform the narrowband service.
  • the broadband external test switch ⁇ and auxiliary switches Kl, ⁇ 2 and ⁇ 3 are turned to the normally open point. Therefore, the broadband uplink signal enters the measuring device through the broadband external measurement bus. At this time, the narrowband service is disconnected according to the requirements of the broadband clean line measurement.
  • the service signal to be tested is a narrowband uplink signal, that is, a narrowband external measurement is performed on the united board, the narrowband external measuring switch of the auxiliary switch ⁇ 2 and the solid state relay S1 is actuated, that is, it is hit to the normally open point.
  • the narrow-band external test bus and the broadband external test bus connecting the narrow-band external test bus and the broadband external test bus; and let the narrow-band uplink signal enter the narrow-band external test bus, so that the narrow-band uplink signal passes the narrow-band external test bus and the broadband
  • the external test bus enters the measuring device.
  • the service signal to be tested is a narrowband downlink signal, that is, a narrowband internal measurement is performed on the united board, the narrowband internal measuring switch of the auxiliary switch K3 and the solid state relay S1 is actuated, that is, it is hit to the normally open point. Therefore, the measurement separation protection circuit is connected to the narrowband internal measurement bus and the broadband internal measurement bus, wherein the user end of the measurement separation protection circuit is connected to the broadband internal measurement bus, the network end is connected to the narrowband internal measurement bus; and, the user line interface circuit and the narrow band are connected The bus is internally tested so that the narrowband downstream signal enters the measurement device through the narrowband internal measurement bus, the measurement separation protection circuit, and the broadband internal measurement bus. At the same time, continue to use broadband service channels during normal work to conduct broadband services.
  • the broadband uplink signal and the broadband downlink signal are respectively input into the measuring device through the broadband external measurement bus and the broadband internal measurement bus.
  • the measurement separation protection circuit is connected to the broadband internal measurement bus and the narrowband internal measurement bus, wherein the user end of the measurement separation protection circuit is connected to the broadband internal measurement bus, and the network end of the measurement separation protection circuit is connected to the narrowband internal measurement bus;
  • the user terminal of the circuit is simultaneously connected to the broadband external test bus; and, the subscriber line interface circuit and the narrowband internal test bus are connected to form a narrowband service path.
  • the user terminal connecting the measurement separation protection circuit to the broadband external measurement bus may be directly connected, or may be provided with an auxiliary switch K4, which is located on the user end of the measurement separation protection circuit, and its normally open contact is connected to The broadband external test bus, the normally closed contact is suspended.
  • the broadband external measurement switch KOA the broadband internal measurement switch KIA
  • the narrowband internal measurement switch of the solid state relay S1 the auxiliary switch K2, ⁇ 3 And ⁇ 4 action, that is, make it hit the normally open point.
  • the auxiliary switch ⁇ 4 is kept at the normally closed point.
  • the broadband interface of the backup subscriber line is connected to the broadband internal test bus.
  • the subscriber end of the original subscriber line is connected to the broadband external test bus, and the broadband internal test bus and the broadband external test bus are connected to form a new broadband service path.
  • the measurement separation protection circuit is connected to the narrowband internal measurement bus and the broadband internal measurement bus, wherein the user terminal of the measurement separation protection circuit is connected to the broadband internal measurement bus, the network end is connected to the narrowband internal measurement bus; and the subscriber line of the original subscriber line is connected.
  • the interface circuit is connected to the narrowband internal test bus to form a new narrowband service path.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)

Description

一种宽窄带合一板及对该板测试的方法 技术领域
本发明涉及互联网技术， 更具体地说， 涉及一种宽窄带合一板及对 该板测试的方法。 发明背景
ADSL接入技术可以同时在双绞线上传送传统电话业务和宽带业 务。 在将某用户端送来的信号接入到交换网进行交换时， 需要将线上的 窄带信号和宽带信号分开， 分别送入共用电话交换网和互联网进行交 换； 再在网絡的另一端将窄带业务和宽带业务汇合后送到用户端。
上述过程如图 1所示，结合图 1 ,假如 AL1端的用户电话需要和 BLn 端的用户进行通话即开展窄带业务， 同时 AL1端的计算机要和 DL1端 的计算机进行网上数据互通即开展宽带业务。 这时， AL1端计算机上出 来的信号经过远程终端设备 ( RTU, Remote Terminal Unit ) 即通常所说 的调制解调器后， 和电话信号经过分离保护电路（SPL, Splitter ) 汇合 后产生宽窄带混合信号； 宽窄带混合信号送入接入设备八， 接入设备 A 又将 AL1上的宽窄带混合信号分离； 宽带信号送入 Internet交换路由 , 到达目的地 DL1端的接入设备 D, 在接入设备 D中和送往 DL1端的窄 带信号汇合后送到 DL1端的用户线上， 从而到达 DL1端的计算机； 而 窄带信号送入 PSTN交换后也送往其目的地 BLn这边接入设备 B，在接 入设备 B中和送往 BLn端的宽带信号汇合后送往 BLn端用户线上， 然 后经过 SPL分离后到达 BLn端的电话机， 从而可以和 BLn端的电话进 行通舌。
在接入设备中用到的能同时处理宽带业务和窄带业务的业务板称之 为宽窄带合一板， 或简称合一板。 图 2为合一板的筒要结构图。 通常每 一块板都能支持一定路数的用户线业务， 图 2中仅给出合一板上的一路 用户线上的情况。 在上行方向， 合一板首先对户线 1的用户端上送来的 包括以 CPE1表示的宽带信号和以 PH0NE1表示的窄带信号的混合信号 进行处理： 通过分离保护电路分离出窄带信号， 送入窄带用户接口电路 1处理， 然后送入窄带数据处理单元最后送入窄带交换网； 而宽带信号， 通过宽带业务电路 1及宽带数据处理单元最后送入宽带交换网。 需要说 明的是， 合一板所支持的各路用户线共用一个宽带数据处理单元和一个 窄带数据处理单元。
下行方向合一板所作的工作则正好和上行处理的情况相反， 宽带数 据处理单元将来自宽带交换网的数据根据需要分配到一路用户线上， 窄 带数据处理单元则将来自窄带交换网得数据根据需要分配到一路用户 线上，对于第一路用户线来说， 宽带信号 B1和窄带信号 N1经分离保护 电路汇合送到用户线 1上。
结合图 2可以看到合一板相当于就是一个信号中转板， 向用户线上 来的宽带信号和窄带信号分开， 送往交换网； 同时将交换网上面来的宽 带信号和窄带信号根据需要进行组合配对后送到用户线上。
因为合一板在线路上有着重要的作用， 所以经常需要对合一板的工 作状态进行测试。 一般的测试方法是将需要测试的信号转接到专门用于 测试的测试总线上去， 然后利用测试总线所连的专门的测试板或者测试 设备来对信号进行测试。 通常将对来自用户线的信号的测试称为外测， 将对来自交换网络的信号测试称为内测。 如果将窄带路线完全断开， 单 独的只对宽带信号进行测试， 则称为宽带抓净线。 现有技术中， 宽带外 测时会影响到窄带信号， 导致窄带信号中断； 同时， 现有技术无法进行 窄带内测。 另外， XDSL业务是在电话线上进行的。 对于窄带服务来说， 每一 部电话对应窄带数据处理单元中的一路窄带处理电路， 如果某一部电话 所连的窄带处理电路变为另一路了， 那么这部电话的号码也就改变了， 所以在进行宽带备份的时候要求窄带处理电路不变。 而对于宽带服务来 说，需要在宽带通路出现问题的时候切换连接通路，以保证业务的连续。 如图 2中正常情况下， 第一路用户线（CPE1 + PHONE 1 )是由宽带业务 电路 1和窄带用户接口电路 1分别提供宽窄带服务的， 假如出现故障的 宽带业务电路 1不能再提供宽带服务了， 那么这时候为了使用户宽带业 务继续， 就需要用别的宽带业务电路替代宽带业务电路 1来对第一路用 户线提供宽带服务， 这就是宽带备份。 在现有技术中， 宽带备份会导致 原端口窄带信号中断。 发明内容
本发明提供一种宽窄带合一板及对该板测试的方法。
一种宽窄带合一板， 进一步包括：
测量总线， 用于将业务信号连接到测量设备；
切换装置矩阵， 用于接通测量总线和用户线， 使待测业务信号进入 测量总线， 同时形成非待测业务通路。
一种对宽窄带合一板进行测量的方法， 包括：
在宽窄带合一板上设置测量总线和切换装置矩阵；
根据需要利用切换装置矩阵选择连接测量总线和用户线， 使待测业 务信号进入测量总线， 同时形成非待测业务通路；
通过测量总线对待测信号进行测量。
使用本发明提供的宽窄带合一板及对该板测试的方法， 可以对宽窄 带合一板进行全面的测试， 同时在对一路信号进行测试时， 不会影响到 其他信号； 并且， 采用本发明提供的宽窄带合一板进行宽带备份时， 也 不会影响到窄带信号； 并可进行窄带内测。 附图简要说明
图 1是现有技术 XDSL宽带接入系统的结构示意图；
图 2是现有技术宽窄带合一板功能结构框图；
图 3是本发明的宽窄带合一板正常工作时的业务示意图；
图 4是使用本发明的宽窄带合一板进行宽带外测时的业务示意图； 图 5是使用本发明的宽窄带合一板进行宽带内测时的业务示意图； 图 6是使用本发明的宽窄带合一板进行宽带外测净抓线时的业务示 意图；
图 7是使用本发明的宽窄带合一板进行窄带外测时的业务示意图； 图 8是使用本发明的宽窄带合一板进行窄带内测时的业务示意图； 图 9是使用本发明的宽窄带合一板进行宽带备份时的业务示意图。 图 10是使用本发明的宽窄带合一板同时进行宽带内外测时的业务 示意图。 实施本发明的方式
为使本发明的目的、技术方案和优点更加清楚明白，以下举实施例 , 并参照附图， 对本发明进一步详细说明。
图 3所示为本发明的宽窄带合一板正常工作时的业务示意图。
在图 3中， A表示合一板上的任意一路用户线， CPE/PHONE端即 用户端连接的是用户设备， XDSL端即宽带接口通向宽带交换网， 用户 线接口电路（ SLIC, Subscriber Line Interface Circuit )端通向窄带交换网。
在用户线的 CPE/PHONE 端包含一个宽带外测开关即第一切换装 置， 如图中 A路用户线上的 KOA。 在用户线的 XDSL端包含一个宽带 内测开关即第二切换装置如图中的 A路用户线上的 KIA。 KOA的常开 触点连接到宽带外测总线， KOA的常闭触点连接到 KIA的常闭触点， KIA的常开触点连接到宽带内测总线。 这两个开关用以在需要的时候将 用户线上的信号转到宽带内测总线或宽带外测总线上。
在用户线的 SLIC端和用户线分离保护电路 ( SPL+PRT )之间连接 有两个串连的开关， 分別称为窄带内测开关和窄带外测开关。 窄带内测 开关对应第四切换装置， 其常开触点连接到窄带内测总线， 窄带内测开 关的常闭触点连接到用户线分离保护电路的网络端即 PRT部分；窄带外 测开关对应第七切换装置， 其常开触点连接到窄带外测总线， 窄带外测 开关的常闭触点连接到 SLIC-A端； 窄带内测开关和窄带外测开关相连。 这两个开关用来在需要的时候将窄带信号转到窄带外测总线或窄带内 测总线上。 用户线分离保护电路的用户端即 SPL部分与用户线相连， 测 量分离保护电路的网絡端即 PRT部分连接到窄带内测开关的常闭触点。
除此之外还设有 Kl、 Κ2、 Κ3这三个开关，分别对应第六切换装置、 第八切换装置和第三切换装置， 作为内外测的辅助开关。 辅助开关 K1 位于窄带外测总线上，其常开触点悬空，常闭触点连接到宽带外测总线； 辅助开关 Κ2位于宽带外测总线上， 其常闭触点悬空， 常开触点连接到 测试装置； 辅助开关 Κ3位于宽带内测总线上， 其常闭触点连接到宽带 外测总线， 常开触点连接到测试装置。
在窄带内测总线上还接有测量分离保护电路（ SPL+PRT ),测量分离 保护电路的用户端即 SPL部分与宽带内测总线相连，测量分离保护电路 的网络端即 PRT部分与窄带内测总线相连。
上述的切换装置和测量分离保护电路共同組成切换装置矩阵。 优选 的， 上述的开关可以用继电器实现。 特别的， 所述窄带外测开关和窄带 内测开关可以集成在一个固态继电器中。 因为固态继电器的体积比机械 继电器的体积小很多。
在正常情况下， 所有的开关都处于常闭位置， 用户线和内外测总线 均断开， 而宽带外测总线、 窄带外测总线、 窄带内测总线和宽带内测总 线互相连通。 对于上行业务来说， 从 CPE-A/PHONE-A端进入合一板的 信号中的宽带部分直接由 XDSL-A端送出至宽带交换网， 窄带部分经过 用户线分离保护电路后 , 经过用户线接口电路（ SLIC-A )送出至 PSTN。 对于下行业务来说， 则是从 PSTN进入合一板的窄带信号经过 SPL后和 从宽带交换网进入合一板的宽带信号汇聚送到 CPE-A/PHONE-A端的用 户线。
图 4是使用本发明的宽窄带合一板进行宽带外测时的业务示意图。 在需要对宽带进行外测的时候， 使宽带外测开关 KOA、 辅助开关 K2及固态继电器 S1的窄带内测开关动作， 也就是使其打到常开点上。 这样宽 带外测总线和 CPE-A/PHONE-A 端相连 ， 可对从 CPE-A/PHONE-A 端进入合一板的信号中的宽带信号进行外测； 而从 CPE-A/PHONE-A端进入合一板的信号中的窄带信夸依次通过宽带外测 总线， 开关 K2、 开关 Κ3、 测量分离保护电路、 窄带内测总线和固态继 电器 Sl， 仍然连接到 SLIC-A端， 从而不影响窄带业务。
图 5是使用本发明的宽窄带合一板进行宽带内测时的业务示意图。 在需要对宽带进行内测的时候， 使宽带内测开关 KIA和辅助开关 K3开关动作，也就是使其打到常开点上。这样宽带内 总线和 XDSL-A 端相连，可对从 XDSL-A端进入合一板的宽带信号进行内测； 而 A路用 户线的窄带信号仍然从 SLIC-A端口进入， 经过固态继电器 Sl、 用户线 分离保护电路和宽带外测开关 KOA, 从 CPE-A/PHONE-A端发送给用 户， 从而不影响窄带业务。 图 6 是使用本发明的宽窄带合一板进行外测抓净线时的业务示意 图。
在需要对宽带进行外测抓净线的时候，使宽带外测开关 KOA、辅助 开关 Kl、 Κ2和 Κ3打到常开点上。 这样宽带外测总线和 Α路用户线相 连，可对 A路用户线上的宽带信号进行外测； 而 A路用户线上的窄带信 号因为没有路径连接到 SLIC-A端， 从而使窄带业务完全断开。 这样就 实现了外测抓净线。
图 Ί是使用本发明的宽窄带合一板进行窄带外测时的业务示意图。 在需要对窄带进行外测的时候，使辅助开关 K2及固态继电器 S1的 窄带外测开关动作，也就是使其打到常开点上。这样宽带路线保持不变， 也即宽带业务不变 （路线如图 7中的双点划线所示）； 而 A路用户线上 的窄带信号通过固态继电器转接到窄带外测总线再到宽带外测总线上， 这样就可以通过宽带外测总线对 CPE-A/PHONE-A上的窄带信号进行测 试0 - 图 8是使用本发明的宽窄带合一板进行窄带内测时的业务示意图。 在需要对窄带进行内测的时候，使辅助开关 K3及固态继电器 S1的 窄带内测开关动作，也就是使其打到常开点上。这样宽带路线保持不变， 也即宽带业务不变； 而从 SLIC-A进入合一板的窄带信号通过固态继电 器转接到窄带内测总线再到宽带内测总线上， 这样就可以通过宽带内测 总线对 SUC-A上的窄带信号进行测试。
图 9是使用本发明的宽窄带合一板进行宽带 ^分时的业务示意图。 假如 DSL-B端口出现故障， 不能提供宽带服务， 为了使 B路用户 线的宽带业务保持畅通， 需要换一个宽带端口来对 B路用户线提供宽带 服务。 在图 9中假定由 XDSL-A端口来完成备份任务。 这时候使宽带外 测开关 KOB、宽带内测开关 KI A及固态继电器 S 2的窄带内测开关动作， 也就是使其打到常开点上。这样 XDSL-A端来的宽带信号经过宽带内测 开关 KIA、 宽带内测总线、 辅助开关 K3、 辅助开关 Κ2、 宽带外测总线 和宽带外测开关 ΚΟΒ送到 CPE-B/PHONE-B端口， 保持 Β路用户线的 宽带业务畅通； 而 SLIC-B通过固态继电器 S2、 窄带内测总线、 测量分 离保护电路、 辅助开关 K3、 辅助开关 Κ2 和宽带外测总线送到 CPE-B/PHONE-B， 这样就保持了 B路用户线的窄带业务。
图 10是使用本发明的宽窄带合一板同时进行宽带内外测时的业务 示意图。
为了实现在同时进行宽带外测和宽带内测时不影响窄带业务， 需要 令宽带外测总线和测量分离保护电路的用户端保持连接， 这可以通将宽 带外测总线直接连接到测量分离保护电路的用户端来实现。 为了同时实 现图 3到图 9所示的业务， 可以在宽带外测总线和测量分离保护电路的 用户端之间用辅助开关 K4即第五切换装置连接起来，辅助开关 K4位于 测量分离保护电路的用户端上， 其常开触点连接到宽带外测总线， 常闭 触点悬空。
在需要同时进行宽带外测和宽带内测时， 使宽带外测开关 KOA、 宽 带内测开关 KIA、 辅助开关 K2、 Κ3动作， 也就是使其打到常开点上。 这样 CPE-A/PHONE-A端来的宽带信号连到了外测总线上， 而 XDSL-A 端来的宽带信号连到了内测总线上， 这样就可以同时进行对宽带的外测 和内测。同时将辅助开关 Κ4及固态继电器 S1的窄带内测开关动作打到 常开点上， 则 CPE-A/PHONE-A端通过宽带外测开关 KOA、 宽带外测 总线、 辅助开关 K4、 测量分离保护电路、 窄带内测总线和固态继电器 与 SLIC-A端相连， 从而保持窄带业务畅通。 而在实现图 3到图 9的功 能时， 只要将辅助开关打到常闭点上即可。
需要说明的是， 在上面的描述中， 保证了在宽窄带合一板在正常工 作时， 所有的开关都处于常开位置。 可以理解， 如果不要求宽窄带合一 板在正常工作时所有的开关都处于常开位置， 则开关的触点连接关系可 以变化， 只要保证在实现各种功能时， 用户线和测量总线之间的连接关 系如上所述即可。
对应于上述具有测量功能的宽窄带合一板， 本发明还提供了一种对 宽窄带合一板进行测量的方法， 包括以下步骤：
步骤 a， 在宽窄带合一板上设置测量总线和切换装置矩阵。
步骤 b， 根据需要利用切换装置矩阵选择连接测量总线和用户线， 使待测业务信号进入测量总线， 同时形成非待测业务通路。
步驟 c, 通过测量总线对待测信号进行测量。
所述测量总线包括宽带外测总线、 宽带内测总线、 窄带外测总线和 窄带内测总线。
所述设置切换装置矩阵包括：
在用户线的 CPE/PHONE端设置宽带外测开关 KOA。 在用户线的 XDSL端设置宽带内测开关即 KIA。 KOA的常开触点连接到宽带外测总 线， KOA的常闭触点连接到 KIA的常闭触点， KIA的常开触点连接到 宽带内测总线。
在用户线的 SLIC端和用户线分离保护电路 ( SPL+PRT )之间设置 两个串连的开关， 分别称为窄带内测开关和窄带外测开关。 窄带内测开 关的常开触点连接到窄带内测总线， 窄带内测开关的常闭触点连接到用 户线分离保护电路的网络端即 PRT部分；窄带外测开关的常开触点连接 到窄带外测总线， 窄带外测开关的常闭触点连接到 SLIC-A端； 窄带内 测开关和窄带外测开关相连。 优选的， 所述窄带外测开关和窄带内测开 光可以集成在一个固态继电器 S1中。
在窄带外测总线上设置辅助开关 K1 ,其常开触点悬空， 常闭触点连 接到宽带外测总线； 在宽带外测总线上设置辅助开关 K2, 其常闭触点 悬空， 常开触点连接到测试装置； 在宽带内测总线上设置辅助开关 K3， 其常闭触点连接到宽带外测总线， 常开触点连接到测试装置。
在窄带内测总线上设置测量分离保护电路（ SPL+PRT ),测量分离保 护电路的用户端即 SPL部分与宽带内测总线相连，测量分离保护电路的 网络端即 PRT部分与窄带内测总线相连。
如果待测业务信号是宽带上行信号， 即对合一板进行宽带外测， 则 使宽带外测开关 ΚΟΑ、 辅助开关 Κ2及固态继电器 S1的窄带内测开关 动作， 也就是使其打到常开点上。 从而令宽带上行信号经过宽带外测总 线进入测量设备。 同时， 用测量分离保护电路连接宽带外测总线和窄带 内测总线， 其中测量分离保护电路的网络端连接到窄带内测总线， 用户 端连接到宽带外测总线；并且，将窄带内测总线连接到用户线接口电路， 从而形成窄带业务通路。
如果待测业务信号是宽带下行信号， 即对合一板进行宽带内测， 则 使宽带内测开关 ΚΙΑ和辅助开关 Κ3开关动作， 也就是使其打到常开点 上。 从而令宽带下行信号经过宽带内测总线进入测量设备； 同时继续使 用正常工作时的窄带业务通路来进行窄带业务。
如果对合一板进行宽带抓净线测量， 则使宽带外测开关 ΚΟΑ、辅助 开关 Kl、 Κ2和 Κ3打到常开点上。 从而令宽带上行信号经过宽带外测 总线进入测量设备。 此时， 根据宽带抓净线测量的要求， 窄带业务被断 开。
如果待测业务信号是窄带上行信号， 即对合一板进行窄带外测， 则 使辅助开关 Κ2及固态继电器 S1的窄带外测开关动作，也就是使其打到 常开点上。 从而连接窄带外测总线和宽带外测总线； 并且令窄带上行信 号进入窄带外测总线， 从而使得窄带上行信号通过窄带外测总线和宽带 外测总线进入测量设备。 同时， 继续使用正常工作时的宽带业务通路来 进行宽带业务。
如果待测业务信号是窄带下行信号， 即对合一板进行窄带内测， 则 使辅助开关 K3及固态继电器 S1的窄带内测开关动作，也就是使其打到 常开点上。 从而用测量分离保护电路连接窄带内测总线和宽带内测总 线， 其中测量分离保护电路的用户端连接到宽带内测总线， 网络端连接 到窄带内测总线； 并且， 连接用户线接口电路和窄带内测总线， 从而使 窄带下行信号通过窄带内测总线、 测量分离保护电路和宽带内测总线进 入测量设备。 同时， 继续使用正常工作时的宽带业务通路来进行宽带业 务。
如果待测业务信号同时包括宽带下行信号和宽带上行信号， 则令宽 带上行信号和宽带下行信号分别通过宽带外测总线和宽带内测总线进 入测量设备。 同时， 用测量分离保护电路连接宽带内测总线和窄带内测 总线， 其中测量分离保护电路的用户端连接到宽带内测总线， 测量分离 保护电路的网络端连接到窄带内测总线； 测量分离保护电路的用户端同 时连接到宽带外测总线； 并且， 连接用户线接口电路和窄带内测总线， 从而形成窄带业务通路。
这里， 所述将测量分离保护电路的用户端同时连接到宽带外测总线 可以是直接连接， 也可以是设置辅助开关 K4, K4位于测量分离保护电 路的用户端上， 其常开触点连接到宽带外测总线， 常闭触点悬空。
这样， 如果待测业务信号同时包括宽带下行信号和宽带上行信号， 为了实现上述连接关系， 使宽带外测开关 KOA、 宽带内测开关 KIA、 固 态继电器 S1的窄带内测开关、 辅助开关 K2、 Κ3和 Κ4动作， 也就是使 其打到常开点上。 而在进行正常业务或者待测业务信号不同时包括宽带 下行信号和宽带上行信号时， 就保持辅助开关 Κ4在常闭点。 在步驟 a之后， 如果原用户线的宽带接口发生故障， 则利用备份用 户线的宽带接口为原用户线继续进行宽带业务。 此时设原用户线的宽带 外测开关为 KOB, 原用户线的 SLIC端和原用户线的用户线分离保护电 路（SPL+PRT )之间的固态继电器为 S2。
这时候使 KOB、 KIA及 S2的窄带内测开关打到常开点上， 从而实 现：
将备份用户线的宽带接口连接到宽带内测总线， 原用户线的用户端 连接到宽带外测总线， 并且连接宽带内测总线和宽带外测总线， 从而形 成新的宽带业务通路。 同时， 用测量分离保护电路连接窄带内测总线和 宽带内测总线， 其中测量分离保护电路的用户端连接到宽带内测总线， 网络端连接到窄带内测总线； 并且将原用户线的用户线接口电路连接到 窄带内测总线上， 从而形成新的窄带业务通路。
总之， 以上所述仅为本发明的较佳实施例而已， 并非用于限定本发 明的保护范围。 凡在本发明的精神和原则之内， 所作的任何修改、 等同 替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种宽窄带合一板， 其特征在于， 该合一板进一步包括： 测量总线， 用于将业务信号连接到测量设备；
切换装置矩阵， 用于接通测量总线和用户线， 使待测业务信号进入 测量总线， 同时形成非待测业务通路。
1、根据权利要求 1所述的宽窄带合一板， 其特征在于， 所述测量总 线包括：
宽带外测总线、 宽带内测总线、 窄带外测总线和窄带内测总线。
3、根据权利要求 2所述的宽窄带合一板， 其特征在于， 所述切换装 置矩阵包括：
第一切换装置， 连接到用户端， 其常开触点连接到宽带外测总线， 常闭触点连接到第二切换装置的常闭触点；
第二切换装置，连接到宽带接口，其常开触点连接到宽带内测总线； 第三切换装置，连接到宽带内测总线，其常开触点连接到测试设备, 常闭触点连接到宽带外测总线；
第四切换装置， 连接到第七切换装置， 其常开触点连接到窄带内测 总线， 常闭触点连接到用户线分离保护电路；
第六切换装置， 连接到窄带外测总线， 其常开触点悬空， 常闭触点 连接到宽带外测总线；
第七切换装置， 其常开触点连接到窄带外测总线， 常闭触点连接到 用户线接口电路；
第八切换装置，连接到宽带外测总线，其常开触点连接到测试设备， 常闭触点悬空；
测量分离保护电路， 用户端与宽带内测总线相连， 网络端与窄带内 测总线相连。
4、根据权利要求 3所述的宽窄带合一板， 其特征在于， 该合一板进 一步包括：
第五切换装置， 连接到测量分离保护电路的用户端， 其常开触点连 接到宽带外测总线， 常闭触点悬空。
5、根据权利要求 3或 4所述的宽窄带合一板， 其特征在于， 所述第 四切换装置和第七切换装置集成为固态继电器。
6、一种对宽窄带合一板进行测量的方法，其特征在于，该方法包括： 在宽窄带合一板上设置测量总线和切换装置矩阵；
根据需要利用切换装置矩阵选择连接测量总线和用户线， 使待测业 务信号进入测量总线， 同时形成非待测业务通路；
通过测量总线对待测信号进行测量。
7、根据权利要求 6所述的方法， 其特征在于， 所述在宽窄带合一板 上设置测量总线为：
在宽窄带合一板上设置宽带外测总线、 宽带内测总线、 窄带外测总 线和窄带内测总线。
8、根据权利要求 6或 7所述的方法， 其特征在于， 所述在宽窄带合 一板上设置切换装置矩阵为：
设置第一切换装置连接到用户端， 令其常开触点连接到宽带外测总 线 , 常闭触点连接到第二切换装置的常闭触点；
设置第二切换装置连接到宽带接口， 令其常开触点连接到宽带内测 总线；
设置第三切换装置连接到宽带内测总线， 令其常开触点连接到测试 设备， 常闭触点连接到宽带外测总线；
设置第四切换装置连接到第七切换装置， 令其常开触点连接到窄带 内测总线， 常闭触点连接到用户线分离保护电路；
设置第六切换装置连接到窄带外测总线， 令其常开触点悬空， 常闭 触点连接到宽带外测总线；
设置第七切换装置连接到第四奇幻装置， 令其常开触点连接到窄带 外测总线， 常闭触点连接到用户线接口电路；
设置第八切换装置连接到宽带外测总线， 令其常开触点连接到测试 设备， 常闭触点悬空；
设置测量分离保护电路， 令其用户端与宽带内测总线相连， 网络端 与窄带内测总线相连。
9、根据权利要求 8所述的方法， 其特征在于， 所述待测业务信号是 宽带上行信号时， 所述根据需要连接测量总线和用户线， 使待测业务信 号进入测量总线， 同时形成非待测业务通路包括：
使第一切换装置、 第八切换装置及第四切换装置打到常开点上， 从 而令：
宽带上行信号经过宽带外测总线进入测量设备；
测量分离保护电路的网絡端连接到窄带内测总线， 用户端连接到宽 带外测总线；
窄带内测总线连接到用户线接口电路。
10、 根据权利要求 8所述的方法， 其特征在于， 所述待测业务信号 是宽带下行信号时， 所述根据需要连接测量总线和用户线， 使待测业务 信号进入测量总线， 同时形成非待测业务通路包括：
使第二切换装置和第三切换装置打到常开点上， 从而令： 宽带下行信号经过宽带内测总线进入测量设备；
窄带业务继续通过正常工作时的窄带业务通路来进行。
11、 根据权利要求 8所述的方法， 其特征在于， 所述待测业务信号 是窄带业务断开后的宽带上行信号时， 所述根据需要连接测量总线和用 户线， 使待测业务信号进入测量总线， 同时形成非待测业务通路包括： 使第一切换装置、 第三切换装置、 第六切换装置和第八切换装置打 到常开点上， 从而令：
宽带上行信号经过宽带外测总线进入测量设备。
12、 根据权利要求 8所述的方法， 其特征在于， 所述待测业务信号 是窄带上行信号时， 所述根据需要连接测量总线和用户线， 使待测业务 信号进入测量总线， 同时形成非待测业务通路包括：
使第八切换装置及第七切换装置打到常开点上， 从而令：
窄带外测总线和宽带外测总线相连接；
窄带上行信号通过窄带外测总线和宽带外测总线进入测量设备； 宽带业务继续通过正常工作时的宽带业务通路来进行。
13、 根据权利要求 8所述的方法， 其特征在于， 所述待测业务信号 是窄带下行信号时， 所述根据需要连接测量总线和用户线， 使待测业务 信号进入测量总线， 同时形成非待测业务通路包括：
使第三切换装置及第四切换装置打到常开点上， 从而令： 测量分离保护电路的用户端连接到宽带内测总线， 网絡端连接到窄 带内测总线；
用户线接口电路和窄带内测总线相连接， 以使窄带下行信号通过窄 带内测总线、 测量分离保护电路和宽带内测总线进入测量设备；
继续使用正常工作时的宽带业务通路来进行宽带业务。
14、 根据权利要求 8所述的方法， 其特征在于， 所述在宽窄带合一 板上设置切换装置矩阵进一步包括：
设置第五切换装置连接到测量分离保护电路的用户端， 令其常开触 点连接到宽带外测总线， 常闭触点悬空； 所述待测业务信号同时包括宽带下行信号和宽带上行信号， 则所述 根据需要连接测量总线和用户线， 使待测业务信号进入测量总线， 同时 形成非待测业务通路包括：
使第一切换装置、 第二切换装置、 第三切换装置、 第四切换装置、 第五切换装置和第八切换装置打到常开点上， 从而令：
宽带上行信号和宽带下行信号分别通过宽带外测总线和宽带内测总 线进入测量设备；
测量分离保护电路的用户端连接到宽带外测总线， 测量分离保护电 路的网络端连接到窄带内测总线；
用户线接口电路和窄带内测总线相连以形成窄带业务通路。
15、根据权利要求 8所述的方法， 其特征在于， 该方法进一步包括： 如果原用户线的宽带接口发生故障， 则利用备份用户线的宽带接口 为原用户线继续进行宽带业务。
16、根据权利要求 14所述的方法， 其特征在于， 所述利用备份用户 线的宽带接口为原用户线继续进行宽带业务包括：
这时候使原用户线的第一切换装置、 备份用户线的第二切换装置及 原用户线的第四切换装置打到常开点上， 从而令：
备份用户线的宽带接口连接到宽带内测总线， 原用户线的用户端连 接到宽带外测总线， 宽带内测总线和宽带外测总线相连， 以形成新的宽 带业务通路；
测量分离保护电路的用户端连接到宽带内测总线， 网络端连接到窄 带内测总线； 原用户线的用户线接口电路连接到窄带内测总线上， 从而 形成新的窄带业务通路。
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