JP2009077174A - Circuit opening test system and circuit opening testing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a circuit opening test system and circuit opening testing method which permit elimination of a waiting time for an opening test even when the opening tests overlap with each other. <P>SOLUTION: The circuit opening test of an optical circuit upon laying an optical cable 101 is effected by a method wherein a slave unit 11 is connected to the laid optical cable 101 and a personal computer 41 for testing, into which the data of new subscribers are inputted, is connected to the slave unit 11, then, the personal computer 41 for testing is linked to a server 32, which is connected with master unit 21<SB>1</SB>side of optical cable 101 and stores the data of new subscribers, to effect the opening test based on the data of the new subscribers which is inputted into the personal computer 41 for testing and the data of new subscribers stored in the server 32. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a line opening test system and a line opening test method performed when an optical cable is laid.

  In order to receive optical communication services using optical cables, the construction company's construction staff pulls in the optical cable connected to the station side equipment (hereinafter referred to as “master unit”) in the office building to the new subscriber's house. . In general, for the base unit, N-to-1 communication (N is a natural number of 2 or more) is performed between the subscriber side and the station side, and a plurality of base units are installed in the station building. When the drawing of the optical cable is completed, the person in charge of construction installs a home-side device (hereinafter referred to as “slave unit”) in a new subscriber's house, and connects the optical cable to this slave unit. Thereafter, the person in charge of construction conducts an optical line opening test using an optical cable (see, for example, Patent Document 1). In the opening test, it is checked whether or not a slave unit is connected to a port designated for a predetermined master unit.

When performing the opening test, the person in charge of the construction uses a mobile phone or the like to perform the test while contacting the operator of the network operation center installed on the station side. The network operation center is a system installed on a station side that provides an optical communication service, and performs optical cable monitoring and the like in order to provide the optical communication service to each subscriber. When the opening test is completed, an optical line using an optical cable is established, and it becomes possible to use the Internet using optical communication.
JP 2000-270097 A

  By the way, when performing the opening test, the test may overlap due to the construction of the optical cable. In such a case, when the person in charge of the construction at each new subscriber's house contacts the operator of the network operation center at the same time, the telephone may not be connected. In such a case, since it will wait until a telephone is connected, it will take a long time for a construction worker to stay in a new subscriber's house, resulting in an increase in the burden on the new subscriber. In addition, the time for the construction staff to visit the next new subscriber's house will be delayed.

  An object of the present invention is to provide a line opening test system and a line opening test method that can solve the above-described problems and eliminate the waiting time for the opening test even if the opening tests overlap.

  In order to solve the above-mentioned problems, the invention of claim 1 is a circuit opening test method for performing an optical circuit opening test when an optical cable is laid, wherein a slave is connected to the laid optical cable, and a subscriber The test computer to which the data of the network is input is connected to the slave unit, and the test computer is linked to a server connected to the master unit side of the optical cable and storing subscriber data. The line opening test method is characterized in that the opening test is performed based on subscriber data input to the test computer and subscriber data stored in the server.

  The invention of claim 2 is a circuit opening test method for performing an optical line opening test when an optical cable is laid, and a test computer in which a slave unit is connected to the laid optical cable and subscriber data is input Is connected to the slave unit, the test computer is linked to the master unit of the optical cable storing subscriber data, and the subscriber data input to the test computer and the parent The line opening test method is characterized in that the opening test is performed based on subscriber data stored in the network.

  According to a third aspect of the present invention, in the circuit opening test method according to the first or second aspect, the test computer outputs an instruction to turn on and off the power of the slave unit when performing the opening test. When the server detects the state of the optical link between the parent device and the child device by turning on / off the power of the child device, the optical link is confirmed based on the detection result of the server. And

  According to a fourth aspect of the present invention, in the circuit opening test method according to the third aspect, when the test computer outputs an instruction to turn off the power of the slave unit, the power source of the slave unit is elapsed after a predetermined time has elapsed. An instruction to input is output.

  According to a fifth aspect of the present invention, there is provided a circuit opening test system for performing an optical line opening test when an optical cable is laid, a slave unit connected to the laid optical cable, and a slave unit connected to the slave unit. And a server that is connected to the master unit side of the optical cable and stores subscriber data, the test computer is linked to the server, A line opening test system characterized in that the opening test is performed based on subscriber data input to a test computer and subscriber data stored in the server.

  According to the invention of claim 5, the construction worker connects the slave unit to the installed optical cable at the subscriber's house, and further connects the test computer to which the subscriber's data is input to the slave unit. On the other hand, at the station building side, a server is installed that is connected to the base unit side of the optical cable and stores subscriber data. In such a state, the test computer is linked to the server, and the opening test is performed based on the subscriber data input to the test computer and the subscriber data stored in the server.

  According to a sixth aspect of the present invention, there is provided a circuit opening test system for performing an optical circuit opening test when an optical cable is laid, and a slave unit connected to the laid optical cable, a slave unit connected to the slave unit, and a subscriber's data Is input to the test computer, and the test computer is linked to the master computer and the test computer is input to the test computer. The circuit opening test method is characterized in that the opening test is performed based on subscriber data and subscriber data stored in the base unit.

  According to the sixth aspect of the present invention, the person in charge of construction connects the slave unit to the installed optical cable at the subscriber's house, and further connects the test computer to which the subscriber's data is input to the slave unit. On the other hand, in the office building, the master unit side of the optical cable stores subscriber data. In such a state, the test computer is linked to the master unit, and an opening test is performed based on the subscriber data input to the test computer and the subscriber data stored in the master unit. Do.

  According to the invention of claim 1 and claim 5, since the opening test is automatically performed between the computer for the construction person in charge and the server on the station building side, even if the opening test overlaps, It is possible to prevent waiting time from occurring. This makes it possible to reduce the burden on subscribers and construction personnel.

  According to the inventions of claim 2 and claim 6, since the opening test is automatically performed between the computer for testing the person in charge of construction and the master unit of the central office, the inventions of claims 1 and 5 Similarly, even if the opening test overlaps, it is possible to prevent the waiting time for the opening test from occurring. This makes it possible to reduce the burden on subscribers and construction personnel.

  According to the third aspect of the invention, during the opening test, the test computer outputs an instruction to turn on / off the power of the slave unit, and the server detects the state of the optical link between the master unit and the slave unit. It is possible to automatically check the optical link.

  According to the invention of claim 4, after outputting the instruction to turn off the slave unit, the instruction to turn on the slave unit after a period of time for the server to detect the state of the optical link has elapsed as a predetermined time. Since the output is performed, the optical link can be automatically and reliably confirmed.

  Next, embodiments of the present invention will be described in detail with reference to the drawings.

(Embodiment 1)
A circuit opening test system according to this embodiment is shown in FIG. This line opening test system performs an optical line opening test using an optical cable 101 laid between a station building and a new subscriber's house, and is a slave unit installed in the new subscriber's house. 11. Master units 21 _{1 to} 21 _m installed in a station building, connection device 31 installed in a network operation center, server 32, management personal computer (PC) 33, and for testing operated by a construction worker A personal computer (PC) 41 is provided. In addition, you may install the connection apparatus 31 in a station building.

The subunit | mobile_unit 11 is a termination | terminus apparatus of the optical cable 101 in the new subscriber's house which is a customer, converts the optical signal from a station building into an electrical signal, and also optically transmits the electrical signal from the computer connected to the subunit | mobile_unit 11. Convert it into a signal and send it to the station. The master units 21 _{1 to} 21 _{m in the} station building perform one-to-N optical communication. Communication settings for the parent devices 21 _{1 to} 21 _m , such as communication speed settings, are performed by a computer (not shown) connected to or built in the parent devices 21 _{1 to} 21 _m . The connection device 31 of the network operation center converts the optical signal from the parent devices 21 _{1 to} 21 _m into an electric signal and sends it to the Internet network 111, and converts the electric signal from the Internet network 111 into an optical signal. , Sent to the main unit 21 _{1 to} 21 _m .

The server 32 of the network operation center is a computer that monitors the state of the optical cable connected to the master units 21 _{1 to} 21 _m of the station building via the connection device 31. Information monitored by the server 32 is displayed on the management personal computer 33. Further, the server 32 records data on each subscriber in a database (not shown). This data includes acceptance management data indicating acceptance of new subscribers. The reception management data includes the reception number when a new application is made, the name of the new subscriber, the host name of the new subscriber, the port of the main unit connected to the new subscriber, and the opening test. The terminal identification data representing the identification data of the test personal computer 41 to be tested, the type of the slave unit to be installed, and the like are recorded. Further, the server 32 performs an opening test of the newly installed optical cable 101 together with the personal computer 41.

  Next, a line opening test method using the line opening test system of this embodiment will be described. In this line opening test method, as shown in FIG. 2, an opening test is performed between the server 32 and the test personal computer 41. FIG. 2 is a diagram for explaining the outline of the line opening test method according to this embodiment, in which the optical cable 101 is simplified and description of the connection device 31 and the Internet network 111 is omitted. In the network operation center, the operator operates the management personal computer 33 to add new subscriber data to the reception management data.

On the day of construction, as shown in FIGS. 3 to 5, the person in charge of the network operation center operates the management personal computer 33 before the opening test is performed by the person in charge of construction, and the master unit 21 ₁ Is established between the server 32 and the server 32 (step S1).

  On the other hand, the person in charge of construction constructs the optical cable 101 in the new subscriber's house and connects the slave unit 11 to the optical cable 101. Further, the construction worker connects the test personal computer 41 to the slave unit 11 and activates the test personal computer 41 (step S2). Thereafter, when the person in charge of construction inputs new subscriber data to the test personal computer 41, the test personal computer 41 stores the input data (step S3). This input data is used for the application number, the new subscriber's name, the new subscriber's host name, the host port connected to the new subscriber, and the opening test. These are terminal identification data representing identification data of the test personal computer 41, the type of the slave unit to be installed, and the like. When the data input for the new subscriber is completed and the person in charge of construction turns on the handset 11 (step S4), the link is started (step S5).

  When step S5 ends and the link between the slave unit 11 and the server 32 is established, the server 32 refers to the input data of the test personal computer 41 (step S6) and compares the ports (step S7). ), Check the link. The server 32 transmits the link confirmation result to the test personal computer 41 (step S8). Upon receiving the link confirmation result, the test personal computer 41 displays the link confirmation result (step S9), and temporarily stores the link confirmation result if the port comparison result is normal (step S9). S10). If the port comparison result is abnormal in step S7, the server 32 notifies the management personal computer 33 of the port abnormality.

  When step S10 is completed, the server 32 refers to the input data stored in the test personal computer 41 in step S3 (step S11), and the input data and the data recorded in the reception management data. Then, the data of the corresponding new subscriber is compared (step S12), and the new subscriber is authenticated. At this time, the server 32 compares the reception number, the name and port of the new subscriber, and authenticates the new subscriber. The server 32 transmits this authentication result to the test personal computer 41 (step S13). When receiving the authentication result, the test personal computer 41 displays the authentication result (step S14). If the authentication result is normal, the test personal computer 41 temporarily stores the authentication result (step S15). If the authentication result is abnormal in step S12, the server 32 notifies the management personal computer 33 of the abnormality of the authentication result.

When step S15 ends, the test personal computer 41 notifies the server 32 of the start of optical link confirmation work (step S16). Thereafter, the test personal computer 41 displays a pre-registered message for turning off the power, for example, a message “Please unplug the handset” (step S17). Look at this message, when the installation technician can turn off the handset 11 (step S18), and the optical link is formed between the handset 11 and the base unit 21 ₁ is down (step S19). The server 32 detects the state of the optical link (step S20), and temporarily stores the detection result (step S21).

  On the other hand, the test personal computer 41 measures time immediately after step S17 (step S22), and checks whether or not the first predetermined time has passed (step S23). The first predetermined time is set based on the optical link detection time by the server 32. If the first predetermined time has not elapsed, the test personal computer 41 returns the process to step S22.

When the first predetermined time elapses, the test personal computer 41 displays a power-on message, for example, a message “Please turn on the handset” (step S24). Look at this message, and construction personnel put the power of the slave unit 11 (step S25), and the optical link between the cordless handset 11 and the base unit 21 ₁ is up (step S26). The server 32 detects the state of the optical link again (step S27), and temporarily stores the detection result (step S28).

  On the other hand, the test personal computer 41 measures time immediately after step S24 (step S29), and checks whether or not the second predetermined time has passed (step S30). Similar to the first predetermined time, the second predetermined time is set based on the detection time of the optical link by the server 32. If the second predetermined time has not elapsed, the test personal computer 41 returns the process to step S29. When the second predetermined time has elapsed, the test personal computer 41 notifies the server 32 of the completion of the optical link confirmation work (step S31).

  In the conventional opening test, the optical link confirmation work is a work that has been performed between the operator of the network operation center and the person in charge of construction using a telephone. In this embodiment, an optical link confirmation operation is automatically performed using the optical cable 101.

  Upon receiving the work end notification, the server 32 reads the detection result from the start of the optical link confirmation work in step S16 to the work end in step S31 (step S32), and compares the detection results (step S33). ) Check the optical link. The server 32 transmits the optical link confirmation result to the test personal computer 41 (step S34). When receiving the optical link confirmation result, the test personal computer 41 displays this confirmation result (step S35). If the confirmation result is normal, that is, the detection result changes from optical link down to optical link up. If so, the optical link confirmation result is temporarily stored (step S36). In step S33, if the confirmation result is abnormal, the server 32 notifies the management personal computer 33 of the confirmation result abnormality.

  When step S36 ends, the test personal computer 41 accesses the line speed test test data stored in advance in the server 32, starts downloading the test data (step S37), and until the download is completed. And the line speed is calculated (step S38). Thereafter, the test personal computer 41 displays the line speed (step S39) and temporarily stores the line speed (step S40).

  When step S40 is completed, the test personal computer 41 accesses a predetermined site of the Internet network 111, for example, its own site, stored in advance (step S41), and performs an Internet connection test. Then, the test personal computer 41 temporarily stores the Internet connection test result (step S42).

  When step S42 is completed, the test personal computer 41 receives the input data in step S3, the link confirmation result in step S10, the new subscriber authentication result in step S15, the optical link confirmation result in step S36, and the line in step S40. The speed and the internet connection result of step S42 are read (step S43), the read data is displayed (step S44), and the read data is transmitted to the server 32 as test result data of the new subscriber (step S45). ). Thereafter, the person in charge of the construction turns off the test personal computer 41, disconnects the connection with the handset 11 (step S46), turns off the handset 11 (step S47), and ends the opening test. On the other hand, when receiving the test result data, the server 32 stores this data in the reception management data and updates the reception management data.

  According to this embodiment, when the optical cable 101 is laid, the test personal computer 41 performs an opening test with the server 32 of the network operation center using the optical cable 101, so that even an environment where optical communication can be used is automatically performed. It becomes possible to establish. In addition, according to this embodiment, the construction manager obtains the reception management data from the server 32 using the test personal computer 41 by using the laid optical cable 101, and without going through the operator of the network operation center. It is possible to perform the opening test only with the test personal computer 41. This eliminates the waiting time for the person in charge of construction work, shortens the time to restrain new subscribers for the opening test, and also visits the next new subscriber's home on time. Make it possible.

(Embodiment 2)
In this embodiment, an optical line opening test is performed using the master units 21 _{1 to} 21 _m in the station instead of the server 32. In this embodiment, components that are considered to be the same as or the same as those of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted. Hereinafter, laid optical cable 101, to the base unit 21 ₁ of the station will be described as an example a case of installing a slave unit 11.

(Not shown) computer connected to the base unit 21 ₁ of the station stores the reception management data indicating the acceptance of new subscribers. That is, instead of the server 32 of the first embodiment, a computer that is connected to or built in the base unit 21 ₁ (hereinafter, simply referred to as "master unit 21 _1") are storing reception control data. Furthermore, base unit 21 _1, the installation test of the optical cable 101 newly laid, performed with a personal computer 41. The base unit 21 ₁ sends the test results data of the new subscriber to the server 32. Although not shown, base unit 21 _1, the LAN (Local Area Network), is in capable of transmitting and receiving the personal computer 33 and the data management state.

Next, a line opening test method using the line opening test system of this embodiment will be described. The line connection test method, as shown in FIG. 6, performs installation test with the base unit 21 ₁ and the test for a personal computer 41. FIG. 6 is a diagram for explaining the outline of the line opening test method according to this embodiment, in which the optical cable 101 is simplified and description of the connection device 31 and the Internet network 111 is omitted. The master unit 21 ₁ of the central office, the data of the new subscribers are added to the reception management data.

  The person in charge of the construction lays the optical cable 101 in the customer's new subscriber's house and connects the slave unit 11 to the optical cable 101. Further, as shown in FIGS. 7 to 9, the person in charge of the construction connects the test personal computer 41 to the slave unit 11 and starts the test personal computer 41 (step S101). Thereafter, when the person in charge of construction inputs new subscriber data to the test personal computer 41, the test personal computer 41 stores the input data (step S102). This input data is the same as in the first embodiment. When the data entry of the new subscriber is completed and the construction worker turns on the power of the slave unit 11 (step S103), the link is started (step S104).

Step S104 is the link between the handset 11 and the base unit 21 ₁ ends is established, the master unit 21 ₁ refers to the input data of the test for a personal computer 41 (step S105), the comparison of the Port Perform (step S106) and confirm the link. Base unit 21 ₁ transmits the confirmation result of the link to the test PC 41 (step S107). Upon receiving the link confirmation result, the test personal computer 41 displays the link confirmation result (step S108), and temporarily stores the link confirmation result if the port comparison result is normal (step S108). S109). In step S106, the comparison result of the port is abnormal, the master unit 21 ₁ is immediately notified of the abnormality to the management personal computer 33.

When step S109 is completed, the master unit 21 _1, the test for a personal computer 41 with reference to the input data stored in step S102 (step S110), and the input data, the data that is recorded in the reception management data Then, the data of the corresponding new subscriber is compared (step S111), and the new subscriber is authenticated. In this case, the base unit 21 _1, receipt number, by comparing the name and port of new subscribers, to authenticate the new subscribers. Base unit 21 ₁ transmits the authentication result to the test PC 41 (step S112). When receiving the authentication result, the test personal computer 41 displays the authentication result (step S113). If the authentication result is normal, the test personal computer 41 temporarily stores the authentication result (step S114). In step S111, the authentication result is abnormal, the master unit 21 ₁ is immediately notified of the abnormality to the management personal computer 33.

When step S114 is completed, the test for a personal computer 41 notifies the work start confirmation optical link to the master unit 21 ₁ (step S115). Thereafter, the test personal computer 41 displays a pre-registered power-off message, for example, a message “Please unplug the slave unit” (step S116). Look at this message, when the installation technician can turn off the handset 11 (step S117), an optical link formed between the handset 11 and the base unit 21 ₁ is down (step S118). The server 32 detects the state of the optical link (step S119), and temporarily stores the detection result (step S120).

  On the other hand, the test personal computer 41 measures time immediately after step S116 (step S121), and checks whether or not a first predetermined time has passed (step S122). If the first predetermined time has not elapsed, the test personal computer 41 returns the process to step S121.

When the first predetermined time elapses, the test personal computer 41 displays a power-on message, for example, a message “Please turn on the handset” (step S123). Look at this message, when the installation technician can turn on the handset 11 (step S124), the optical link between the handset 11 and the base unit 21 ₁ is up (step S125). The server 32 detects the state of the optical link again (step S126), and temporarily stores the detection result (step S127).

On the other hand, the test personal computer 41 measures time immediately after step S123 (step S128), and checks whether or not a second predetermined time has passed (step S129). If the second predetermined time has not elapsed, the test personal computer 41 returns the process to step S128. When the second predetermined time elapses, the test for a personal computer 41, notifies the work end of the optical link confirmation base unit 21 ₁ (step S130).

  As in the first embodiment, the optical link confirmation work in the conventional opening test is a work that has been performed between the operator of the network operation center and the person in charge of the construction using a telephone. In this embodiment, an optical link confirmation operation is automatically performed using the optical cable 101.

Base unit 21 ₁ receives the notification of the operation end, establish links with the server 32 (step S131). Thereafter, the server 32 detects before the optical link is established and during the period from the second predetermined time to the beginning of the first predetermined time, that is, from the start of the optical link confirmation work to the end of the work. results reads (step S132), and sends the detection result to the master unit 21 ₁ (step S133). Base unit 21 ₁ performs upon receiving the detection result, by comparing the detection result (step S134), the confirmation of the optical link. Base unit 21 ₁ transmits the confirmation result of the optical link to the test PC 41 (step S135). When receiving the optical link confirmation result, the test personal computer 41 displays the confirmation result (step S136). If the confirmation result is normal, that is, the detection result changes from optical link down to optical link up. If so, the optical link confirmation result is temporarily stored (step S137). In step S134, the confirmation result is abnormal, the master unit 21 ₁ notifies the abnormality to the management personal computer 33.

  When step S137 ends, the test personal computer 41 establishes a link with the server 32 (step S138). Thereafter, the test personal computer 41 accesses the test data for the line speed test stored in the server 32 in advance, starts to download the test data (step S139), and determines the time until the download is completed. Measure and calculate the line speed (step S140). Thereafter, the test personal computer 41 displays the line speed (step S141) and temporarily stores the line speed (step S142).

  When step S142 is completed, the test personal computer 41 accesses a predetermined site of the Internet network 111, for example, its own site, stored in advance (step S143), and performs an Internet connection test. Then, the test personal computer 41 temporarily stores the Internet connection test result (step S144).

  When step S144 is completed, the test personal computer 41 receives the input data in step S102, the link confirmation result in step S109, the new subscriber authentication result in step S114, the optical link confirmation result in step S137, and the line in step S142. The speed and the Internet connection result of step S144 are read (step S145), the read data is displayed (step S146), and the read data is transmitted to the server 32 as test result data of the new subscriber (step S147). ). Thereafter, the person in charge of the construction turns off the test personal computer 41, disconnects the connection with the handset 11 (step S148), turns off the handset 11 (step S149), and ends the opening test. On the other hand, when receiving the test result data, the server 32 stores this data in the reception management data and updates the reception management data.

According to this embodiment, the same effect as in the first embodiment can be obtained. Further, since the opening test is performed by the test personal computer 41 and the parent devices 21 _{1 to} 21 _m , it is not necessary to form a link between the parent devices 21 _{1 to} 21 _m and the server 32 before the start of the test. In addition, the burden on the server 32 can be reduced.

  As mentioned above, although each embodiment of this invention has been described in detail, the specific configuration is not limited to each embodiment, and even if there is a design change or the like without departing from the gist of this invention, It is included in this invention. For example, there are various connection states for connection of the master unit in a station building.

It is a block diagram which shows the circuit opening test system by Embodiment 1 of this invention. 6 is a diagram for explaining a circuit opening test method according to Embodiment 1. FIG. FIG. 3 is a sequence diagram for explaining a circuit opening test method according to the first embodiment. FIG. 3 is a sequence diagram for explaining a circuit opening test method according to the first embodiment. FIG. 3 is a sequence diagram for explaining a circuit opening test method according to the first embodiment. 6 is a diagram for explaining a circuit opening test method according to Embodiment 2. FIG. FIG. 6 is a sequence diagram for explaining a circuit opening test method according to a second embodiment. FIG. 6 is a sequence diagram for explaining a circuit opening test method according to a second embodiment. FIG. 6 is a sequence diagram for explaining a circuit opening test method according to a second embodiment.

Explanation of symbols

11 Slave unit 21 _{1 to} 21 _m Master unit 31 Connection device 32 Server 33 Management personal computer 41 Test personal computer

Claims (6)

A circuit opening test method for performing an optical line opening test when an optical cable is laid,
Connect the slave unit to the installed optical cable, connect the test computer to which the subscriber's data was input, to the slave unit,
Link the test computer to a server that is connected to the master side of the optical cable and stores subscriber data;
A circuit opening test method for performing the opening test based on subscriber data input to the test computer and subscriber data stored in the server. A circuit opening test method for performing an optical line opening test when an optical cable is laid,
Connect the slave unit to the installed optical cable, connect the test computer to which the subscriber's data is input, to the slave unit,
Linking the test computer to the optical cable master unit storing subscriber data;
A line opening test method, wherein the opening test is performed based on subscriber data input to the test computer and subscriber data stored in the base unit.   The test computer outputs an instruction to turn on and off the power of the slave unit during an opening test, and the optical link between the master unit and the slave unit is turned on and off by the power on and off of the slave unit. 3. The circuit opening test method according to claim 1, wherein the optical link is confirmed based on a detection result of the server when the server detects the state of the network. 4.   4. The circuit opening according to claim 3, wherein the test computer outputs an instruction to turn on the slave unit when a predetermined time elapses after outputting the instruction to turn off the slave unit. Test method. A circuit opening test system for performing an optical line opening test when an optical cable is laid,
A handset connected to the installed optical cable;
A test computer connected to the slave unit and entered with subscriber data;
A server that is connected to the base side of the optical cable and stores subscriber data;
With
The test computer is linked to the server, and the opening test is performed based on the subscriber data input to the test computer and the subscriber data stored in the server. A circuit opening test system characterized by this. A circuit opening test system for performing an optical line opening test when an optical cable is laid,
A handset connected to the installed optical cable;
A test computer connected to the slave unit and entered with subscriber data;
A master unit of the optical cable storing subscriber data;
With
The test computer is linked to the master unit, and the opening test is performed based on subscriber data input to the test computer and subscriber data stored in the master unit. A circuit opening test method characterized by:

Images