JPH10336179A - Line testing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily test a dedicated line to verify its normality in a system that connects an exchange device and a maintenance terminal through LANs and dedicated lines through RS232Cs, etc. SOLUTION: Exchange 11a and 11b are connected to a maintenance terminal 12 through devices local area networks(LAN) 13a and 13b and dedicated lines 14a and 14b of RS232Cs, etc., tests of the exchange devices are executed from the terminal 12 through either the LANs or the dedicated lines, the test results are received from both the LANs and the test dedicated lines, and the normality of the dedicated lines is verified by collating the test results through the LANs with contents of the results which are received through the LANs and the dedicated lines, or collating the test results through the dedicated lines with contents of the test results which are received through the LANs and the dedicated lines.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line test method for testing the normality of a dedicated line between an exchange connected to a local area network and a maintenance terminal. A local area network (LAN; L
ocal Area Network), connect various terminals to this local area network, connect a maintenance terminal, and connect a dedicated line between the maintenance terminal and the exchange. 2. Description of the Related Art There is known a system for performing maintenance, management, testing, and the like of an exchange from a maintenance terminal via an area network. In such a system, it is necessary to test the normality of the line between the exchange and the maintenance terminal in order to ensure reliability.

FIG. 5 is a schematic explanatory diagram of a system, in which an exchange 1, for example, a private branch exchange (PBX; Private Branch) is used.
h Exchange), a local area network (hereinafter abbreviated as LAN) 3 is connected, various terminals 5 are connected to the LAN 3 and a maintenance terminal 2 is connected, and between the maintenance terminal 2 and the exchange 1. A dedicated line 4, for example, R
A line standardized as S232C is connected, and various tests of the exchange 1 and various data settings are performed by the maintenance terminal 2 via the LAN 3 or the dedicated line 4.

[0005] The maintenance terminal 2 transmits a test program to the exchange 1 and receives test results and status information in accordance with L.
It has a LAN console section for performing via the AN 3 and a dedicated line console section for performing via the dedicated line 4. For example, the maintenance and management of the exchange 1 is usually performed by the maintenance terminal 2 via the LAN 3, and when the LAN 3 is congested or a failure occurs, the maintenance and management is performed by the maintenance terminal 2 via the dedicated line 4. it can. In that case,
The maintenance person uses the LAN console unit and the dedicated line console unit depending on whether the exchange 1 is to be maintained and managed through the LAN 3 or is to be maintained and managed through the dedicated line 4. It is.

[0004]

As described above, the maintenance and management of the conventional exchange 1 can be performed via the LAN 3 or the dedicated line 4, but the maintenance terminal 2 is provided with a LAN console. Unit and a dedicated line console unit, and the maintenance person uses one of the console units properly. Therefore, there is a problem that there is a high possibility that an erroneous operation is performed during a preparation operation for performing a test of the exchange 1 and a test.

When a dedicated line 4 such as RS232C for directly connecting the exchange 1 and the maintenance terminal 2 is used for the LAN 3 in a preliminary manner, it is necessary to confirm the normality of the dedicated line 4. There is. For this purpose, there is a problem in that a dedicated loopback test or the like for confirming the normality of the dedicated line 4 must be performed from the dedicated line console unit. SUMMARY OF THE INVENTION It is an object of the present invention to easily perform a test of an exchange and a normal test of a dedicated line from a maintenance terminal.

[0006]

The circuit test method according to the present invention comprises the steps of: (1) connecting a maintenance terminal to a local area network connected to an exchange, and connecting a dedicated line such as RS232C between the maintenance terminal and the exchange; In a method of testing the exchange from the maintenance terminal, the maintenance terminal and the exchange are connected via one of the local area network and the dedicated line between the maintenance terminal and the exchange. Transfer the test program, instruct the test execution, read the test execution result between them, read the test result via the other, verify the test result read via the local area network and the dedicated line And confirming the normality of the leased line.

[0007] (2) The maintenance terminal includes a test control unit and a communication control unit that controls communication via the local area network and the dedicated line, and performs communication according to a test execution scenario in the test control unit. Controlling the test execution for the exchange via the local area network or the dedicated line via the control unit, and sequentially reading and collating the test execution results via the local area network and the dedicated line. it can.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory diagram showing a system configuration to which a method according to an embodiment of the present invention is applied.
Is an exchange having a duplex configuration of # 0 system and # 1 system, 12 is a maintenance terminal, 13a and 13b are LANs of a duplex configuration, 14
a and 14b are dedicated lines such as RS232C, 15a and 15b
b is a device to be tested in the exchange, 16a and 16b are memories, 17a and 17b are monitor units, 18a and 18b are test programs, 21 is a communication control unit, 22 is a monitor control unit,
23 denotes a processor control unit, and 24 denotes a test control unit. It should be noted that the LANs 13a and 13b may be of a single-structured LAN, and only the exchanges 11a and 11b may be of a duplicated structure. In addition, the exchange can be made a single configuration together with the LAN.

The maintenance terminal 12 is connected by the communication control unit 21 to the exchanges 11a and 11b of the duplex configuration via the LANs 13a and 13b of the duplex configuration, and
Connection is made via dedicated lines 14a and 14b such as 2C. The communication control unit 21, the monitor control unit 22, the processor control unit 23, and the test control unit 24 control the exchanges 11a and 11b.
A console shared with a LAN and a dedicated line for maintenance and management of the system.

The exchanges 11a and 11b store test target devices 15a and 15b such as a processor for performing an exchange process, a speech line switch, and a subscriber's circuit, and test programs 18a and 18b transferred from the maintenance terminal 12. Test target devices 15a, 15b
And a case where the communication terminal is connected to the communication control unit 21 of the maintenance terminal 12 via the dedicated lines 14a and 14b. The exchange 11a,
11b is connected to another switching network (not shown) via an external line, and is connected to the communication control unit 21 of the maintenance terminal 12 via LANs 13a and 13b. Various terminals (not shown) are connected to the LAN 13a having a duplex configuration,
13b. Exchanges 11a, 11
An extension telephone (not shown) is connected to b.

FIG. 2 is an explanatory diagram of a scenario of the test control unit. An example of a scenario of the test control unit 24 in the maintenance terminal 12 and a communication control unit 21, a monitor control unit 22, and a processor control unit 23 are illustrated. Indicates association. This test execution scenario is an example of a test in which a predetermined state change of the processor of the exchange occurs. The processor 1 of the exchange is reset as the scenario 1 from the start of the test, the monitor is activated as the scenario 2, and the test is performed as the scenario 3. Program transfer / startup, Scenario 4, receiving notification via RS232C, Scenario 5, reading processor status, and Scenario 6, confirming normality of status change notification.

FIG. 3 is an explanatory diagram of a sequence according to an embodiment of the present invention, in which a maintenance terminal 12 and exchanges 11a and 11b are provided.
2 shows a sequence for the above-mentioned scenarios 1 to 6, and the processor reset is performed by the exchanges 11a and 11a.
b indicates that the processor of b is to be reset.

FIG. 4 is a flow chart of the embodiment of the present invention, in which steps (1) to (1) in the maintenance terminal 12 are shown.
(14) will be described. The operation will be described below with reference to the drawings. The maintenance terminal 12 reads the scenario at the start of the test (1). Then, it is determined whether or not the reading of the test execution scenario has been completed (2). If the reading of the test execution scenario has been completely completed, the test is terminated (3). For example, in the test control section 24 shown in FIG. 2, the test execution scenarios 1, 2, 3,... Are sequentially read, and when the test execution is completed, there is no scenario to be read afterwards. .

If the test is not completed, the read scenario is analyzed (4), and it is determined whether or not it is a processor control instruction (5). Then, the control of the processors of the exchanges 11a and 11b is executed (9). In this case, the communication control unit 21 of the maintenance terminal 12 uses the LANs 13a, 13b
It communicates with the exchanges 11a and 11b via the LAN (execution of LAN communication) (11).

In the case of scenario 1, in FIG. 2, the processor of the exchanges 11a and 11b is reset by the test controller 24 from the processor controller 23 via the communication controller 21 via the LANs 13a and 13b under the control of the test controller 24. To instruct. That is, as shown in FIG. 3, an instruction is given to reset the processors of the exchanges 11a and 11b.

In step (6) following step (5), it is determined whether or not a monitor control instruction has been issued. In the case of a monitor control instruction, for example, in the case of scenario 2, monitor control is executed (10). . In FIG. 2, the processor control unit 2
3 instructs the exchange to start monitoring via the LAN via the communication control unit 21. In FIG. 3, one of the exchanges 11a and 11b in the duplex configuration is started to monitor and the monitor is started. 11 shows a case where the test of 11a is performed.

In the case of the next scenario 3, since it is determined in step (5) that the processor control is to be executed, the test program is transferred / started by executing LAN communication (11). That is, the monitor control unit 2
2 transfers the test program to the exchange via the LAN via the communication control unit 21. In FIG. 3, a test program is transferred to the exchange 11a that has been activated by the monitor.
It is stored in the memory 16a. When the transfer of the test program is completed, the start of the test program is instructed. Therefore, a test according to the test program is executed for the test target device 15a. In this case, the test target device 15a is a processor, and the execution of the test program causes a predetermined state change.

In the case of the following scenario 4, in step (7), it is determined whether the notification has been received via the RS232C, the communication control unit 21 is instructed to execute the RS232C communication (12), and the reception is confirmed via the RS232C. (1
3). That is, as shown in FIG. 3, the communication control unit 21 transmits the test target device 15 of the exchange 11a through the dedicated line 14a.
The status change notification of the test result is received from a, and the reception of this status change notification is confirmed.

In the case of the following scenario 5, it is determined in step (5) that the command is related to the processor control instruction.
According to 1), as shown in FIG. 3, the switch 11a is instructed to read the processor status of the test result, and the processor status notification is received. That is, the status change notification of the test result is received via the dedicated line, and the processor status notification is received via the LAN.

In the case of the following scenario 6, it is determined in step (8) that the instruction is related to a received content confirmation instruction.
4). That is, the normality of the dedicated line can be confirmed by comparing the test result of the dedicated line path with the test result via the LAN.

In the embodiment described above, the communication control unit 21 of the maintenance terminal 12 instructs the exchange via the LAN to transfer the test program, start the test program, notify the test result, and so on.
Based on the test result via N and the test result via dedicated line,
In the case where the normality of the leased line is confirmed, the communication control unit 21 of the maintenance terminal 12 instructs the exchange via the leased line to transfer the test program, start the test program, notify the test result, and the like. The normality of the dedicated line can be confirmed based on the test result and the test result via the dedicated line.

[0022]

As described above, according to the present invention, the maintenance terminal 12 is connected to the LAN connected to the exchange, and a dedicated line such as RS232C is connected between the maintenance terminal 12 and the exchange. A test of the exchange is executed from the maintenance terminal 12 via a LAN or a dedicated line, and the test result is
The maintenance terminal 12 reads from both the AN and the leased line to check the normality of the leased line. The maintenance terminal 12 has a configuration in which a console for the LAN and a console for the leased line are shared.
There is an advantage that the normality of a dedicated line such as 232C can be confirmed and the reliability of the system can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a system configuration to which a method according to an embodiment of the present invention is applied.

FIG. 2 is an explanatory diagram of a scenario of a test control unit.

FIG. 3 is a sequence explanatory diagram of the embodiment of the present invention.

FIG. 4 is a flowchart of the embodiment of the present invention.

FIG. 5 is a schematic explanatory diagram of a system.

[Explanation of symbols]

 11a, 11b Switch 12 Maintenance Terminal 13a, 13b Local Area Network 14a, 14b Dedicated Line 15a, 15b Test Target Device 16a, 16b Memory 17a, 17b Monitor 18a, 18b Test Program 21 Communication Control 22 Monitor Control 23 Processor Control Unit 24 Test control unit

Claims (2)

[Claims] 1. A method for connecting a maintenance terminal to a local area network connected to an exchange, connecting a dedicated line between the maintenance terminal and the exchange, and testing the exchange from the maintenance terminal. Transfer of a test program and execution of a test program between the maintenance terminal and the exchange via one of the local area network and the dedicated line between the maintenance terminal and the exchange. Read the instruction, test execution result, and read the test result via the other,
A line test method comprising: comparing the test result read via the local area network with the dedicated line to check the normality of the dedicated line. 2. The maintenance terminal according to claim 1, further comprising: a test control unit, and a communication control unit that controls communication via the local area network and the dedicated line, according to a test execution scenario in the test control unit. Performing a test execution control on the exchange via the local area network or the dedicated line via the communication control unit, and sequentially reading the test execution results via the local area network and the dedicated line. 2. The method according to claim 1, further comprising the step of checking.