JPH03278660A - Remote subscriber line test system - Google Patents

Abstract

PURPOSE:To integrate a general telephone line and an ISDN subscriber line as tested subscriber lines by implementing relay up to a remote exchange housing a tested subscriber through a general exchange network. CONSTITUTION:A subscriber line test board 1 is housed in an exchange 3 via a 2B+D interface circuit 2, and the exchange 3 connects to a remote exchange 6 via a general telephone exchange network 4 and a packet exchange network 5. A remote subscriber line test controller 7 has a function of receiving a call from the remote exchange 6 via a 2B+D interface line 8 and sending a signal to the remote exchange 6 through a 2B+D interface line 10 and a general telephone interface line 13. The subscriber line test board 1 uses a general telephone interface call function to control a general telephone subscriber line test measuring equipment 14 of the remote exchange 6 and uses a 2B+D interface call function to control a general telephone subscriber line text measuring device 14 of the remote exchange 6, uses the 2B+D interface call function to control an ISDN subscriber line test measuring equipment 11 of the remote exchange 6 thereby testing the general telephone subscriber line and the ISDN subscriber line. Thus, the subscriber line test board 1 tests the line of a general telephone subscriber 12 and a line of an ISDN subscriber 9.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a testing method for telephone subscriber lines, and in particular to a remote subscriber line testing method for testing ISDN subscriber lines from a remote location via a general public network. Regarding.

[Conventional technology]

Conventionally, in the remote subscriber line testing method, the subscriber line test stand and the subscriber line test equipment at the remote exchange are connected on a one-to-one basis, and there are no communication lines or data communication lines between the test stand and the test equipment. is broadcast over long distances.

[Problem to be solved by the invention]

In the conventional remote subscriber line testing method described above, the connection between the subscriber line test stand and the subscriber line testing equipment of the remote exchange is one-to-one, so the number of remote exchanges is limited. Proportionally a test stand is required. Furthermore, it is necessary to provide facilities exclusively for subscriber line testing, with lines from the subscriber line testing equipment corresponding to the number of remote switching offices.

[Means to solve the problem]

The remote subscriber line testing method of the present invention comprises: a subscriber line test stand accommodated in a switch by a 2B+D interface; a remote switch connected to the switch via a line switching network and a packet switching network; a remote subscriber line test control device having a function of receiving a call from a remote exchange through a 28+D interface and making a call to the remote exchange using a 2B+D interface and a general telephone interface; control the general telephone subscriber line test and measurement device of the remote telephone subscriber line and the 15DN subscriber line test measurement device of the remote exchange using the calling function of the 2B+D interface, and connect the general telephone subscriber line and the ISDN subscriber line to the exchange. The configuration is such that the test is performed from the subscriber line test stand accommodated therein.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

Referring to FIG. 1, which shows an embodiment of the present invention, a subscriber line test stand 1 is accommodated in an exchange 3 via a 2B+D interface line 2. As shown in FIG. The exchange 3 is connected to a remote exchange 6 via a general telephone switching network 4 and a packet switching network 5. When the telephone number of the remote subscriber line test control device 7 housed in the remote exchange 6 is input from the subscriber line test stand 1, the number information is transferred to the 2B+D interface line 2.
is sent to exchange 3 through The exchange 3 learns from this telephone number that the remote subscriber line test control device 7 is housed in the remote exchange 6, and connects the call path of the subscriber line test stand 1 through the general telephone exchange network 4 and transmits data. The route is connected to a remote switch 6 via a packet switching network 5. The remote switch 6 connects these calls via the 2B+D interface line 8 to the remote subscriber line test controller 7. The remote subscriber line test control device 7 is the subscriber line test stand 1
performs data communication with the subscriber under test and receives the telephone number of the subscriber under test. First, when the telephone number of the ISDN subscriber 9 is received, the remote subscriber line test control device 7 sends the telephone number to the remote exchange 6 via the 28+D interface line 10. Switchboard 6 translates this phone number and sends it to I.
At the same time, the line of the SDN subscriber 9 is connected to the ISDN subscriber line test and measurement device 11, and the measurement device 11 is
A remote subscriber line test control bag W7 is connected via the interface line 10. Thereby, the subscriber line test stand 1 can test the line of the 15DN subscriber 9.

Next, when the telephone number of the general telephone subscriber 12 is received, the remote subscriber line test control device 7 changes the number to 2.
The data is sent to the remote exchange 6 via the 8+D interface line 10. When the exchange 6 translates this telephone number and learns that the subscriber is a regular telephone subscriber, it informs the remote subscriber line test control device 7 via the 2B+D interface line 10 that the subscriber under test is Inform them that you are a regular telephone subscriber. The remote subscriber line test control device 7 then connects to the remote exchange 6 via the regular telephone interface line 13.
When I send the phone number of general telephone subscriber 12 again to ,
The exchange 6 translates the telephone number and sends it to the regular telephone subscriber 12.
At the same time, the test and measurement device 14 and the remote subscriber line test control device 7 are connected via the general telephone interface line 13. Thereby, the subscriber line test stand 1 can test the line of the general telephone subscriber 12.

〔Effect of the invention〕

As explained above, according to the present invention, not only can the relay to the remote exchange accommodating the subscriber under test be carried out via a general switching network, but also it is possible to connect a regular telephone and ISDN subscription as the subscriber line under test. can include personal lines.

[Brief explanation of drawings]

FIG. 1 is a detailed diagram showing an embodiment of the present invention. 1...Subscriber line test stand, 2...2B+D interface line, 3...Switchboard, 4...General telephone switching network, 5...Packet switching network, 6...Remote location switch ,
7...Remote subscriber line test control device, 8...2B+
D interface line, 9...I SDN subscriber,
10...2B+D interface line, 11...
I SDN subscriber line test and measurement device, 12... General telephone subscriber, 13... General telephone interface line,
14...General telephone subscriber test and measurement device.

Claims (1)

[Claims] A subscriber line test stand accommodated in a switch via a 2B+D interface; a remote switch connected to the switch via a circuit switching network and a packet switching network;
A remote subscriber line testing control device having a function of making a call to the remote exchange through a B+D interface and a general telephone interface, and controlling the general telephone subscriber line test and measurement device of the remote exchange using the ordinary telephone interface calling function. and control the ISDN subscriber line testing and measurement equipment of the remote exchange using the calling function of the 2B+D interface, and
A remote subscriber line testing method characterized in that a DN subscriber line is tested from the subscriber line test stand housed in the exchange.