JPH06339163A - Method for extracting rearrangement candidate in automatic mdf device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a rearrangement extraction method in an automatic MDF that can efficiently and easily rearrange a link block. [Structure] A plurality of incomplete groups each constituted by a two-stage link having a plurality of primary switch groups for accommodating and connecting subscriber lines and a plurality of secondary switch groups for connecting and accommodating lines to subscriber circuits of an exchange. Automatic M having networks and cross-links connecting these networks
In automatically connecting the subscriber line in the DF to the subscriber circuit of the exchange, when a link block occurs, the line number of the subscriber line that became the link block and the subscriber line that is the factor causing the link block The line number, the accommodating position of the secondary switch to which the line number is connected, and the destination accommodating position of the line number are sequentially displayed, and based on the indication of the destination accommodating position, the line that is the cause of the link block Change the number connection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention each comprises a two-stage link having a plurality of primary switch groups for accommodating and connecting subscriber lines and a plurality of secondary switch groups for connecting and accommodating lines to subscriber circuits of an exchange. A method for extracting rearrangement candidates in an automatic MDF that automatically connects a subscriber line in an automatic MDF having a plurality of networks of incomplete groups and a crossover link connecting these networks to each other. It is a thing.

[0002]

2. Description of the Related Art Recently, in order to eliminate a connection restriction in each of a plurality of incomplete group networks composed of a two-stage link having a plurality of primary switch groups and a plurality of secondary switch groups, respectively, there has been a cross-link between networks. Provide a link to connect the subscriber line (incoming terminal) of any network,
An automatic MDF having a crossover link has been developed which can be connected to the output terminal of the secondary switch group of another network through the primary switch group and the crossover link of the network.

In an automatic MDF having such a crossover link, even if the output terminal in any network is in use, the output terminal in another network can be used via the crossover link, so that connection in each network is possible. There is an advantage that the restriction can be effectively removed and the connection efficiency of the line can be greatly improved. On the other hand, however, there is a problem that a link block in which an output terminal of the network is connected to another network via a cross link and cannot be used during path connection is likely to occur.

[0004]

Conventionally, when a link block as described above occurs, the path information of all terminals is output, and based on this, the number of the input terminal which causes the link block ( Check the track number) and its output terminal number (accommodation position), check the destination accommodation position of the track number to release the link block, and change the connection, so-called rearranging work. ing.

However, the above-mentioned rearrangement work by the maintenance person has a problem that the maintenance person is required to have considerable skill such as knowledge and know-how of the matrix configuration, and there is a problem that the work efficiency is low.

The present invention has been made in view of such a conventional problem, and provides a rearrangement candidate extracting method in an automatic MDF which can efficiently and easily rearrange due to the occurrence of a link block. With the goal.

[0007]

In order to achieve the above object, according to the present invention, a plurality of primary switch groups for accommodating and connecting a subscriber line and a plurality of primary switch groups for accommodating and accommodating lines to a subscriber circuit of an exchange. A subscriber line in an automatic MDF having a plurality of incomplete group networks each constituted by a two-stage link having a next switch group and a crossover link connecting these networks is automatically provided to a subscriber circuit of a switchboard. When connecting, when a link block occurs, the line number of the subscriber line that became the link block, the line number of the subscriber line that is the cause of the link block, and the secondary switch to which the line number is connected. The accommodating position and the destination accommodating position of the track number, which is the cause of the link block, are sequentially displayed. Based on the view, changing the connection of said link block generating factor a is line number.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the structure of an example of the essential parts of an automatic MDF embodying the present invention. This automatic MDF1
Is a network 2-0 of a plurality of incomplete groups of two-stage links.
To 2-3, a crossover link 3 connecting the networks to each other, and a control device 4 controlling the connection in the networks 2-0 to 2-3 and the crossover link 3.
A communication control device 5 for remotely controlling the control device 4 from the outside is provided, and a line is connected from an external operation terminal (for example, a personal computer) 6 having a display device via the public communication network 7 and the communication control device 5. The connection is controlled.

In this embodiment, the network 2-0
Each of 2-3 has a group of 10 primary switches each having an input terminal of 5 lines and a group of 5 secondary switches each having an output terminal of 6 lines.
The primary switch group of −0 is represented by the symbols PS00 to PS09, the secondary switch group is represented by the symbols SS00 to SS04, and the primary switch group of the network 2-3 is represented by the symbols PS30 to PS3.
9, the secondary switch group is denoted by reference signs SS15 to SS19. The crossover link 3 is composed of all-complex type 150 lines, and the crosses in the drawing indicate relay contacts for connection.

The operation of this embodiment will be described below with reference to the operation sequence shown in FIG. 2 and the schematic connection diagram shown in FIG. In FIG. 3, the line numbers of the input terminals of the network 2-3 are 01001, 01002, ..., The output terminals (accommodation positions) are 01, 02 ,.
Set the line number of the input terminal of network 2-2 to 0200
1,02002, ..., Storage position is 21,22, ...
... Now, track number 01002 and accommodation position 0
5, the line number 01003 and the accommodation position 09, the line number 01004 and the accommodation position 13 are respectively path-connected, and the line number 02001 and the accommodation position 01 are path-connected via the crossover link 3, As shown in FIG. 2 from the operation terminal 6, when the line number 01005 and the accommodation position 17 are path-connected by inputting a command based on the service order, the line number 01001 has no connectable accommodation position and a link block occurs.

The occurrence of this link block is caused by automatic MDF.
Since it is displayed by a lamp or the like on the 1st side, when connecting the operation terminal 6 in the vicinity of the automatic MDF 1, after confirming the occurrence of the link block, the operation terminal 6 then issues a link block inside line display command. Throw in,
The link block line number is displayed on the display device of the operation terminal 6. Therefore, in this case, the line number 010
01 is displayed. When the operation terminal 6 is placed away from the automatic MDF 1 and is remotely controlled, the occurrence of the link block cannot be confirmed. Therefore, after the path connection command is input, the link block in-track display command is input to link the link. If the block track number is not displayed,
If the link block does not occur, perform the following connection work, and when the link block track number is displayed,
Perform the subsequent operations.

When the link block track number is displayed,
Next, a link block generation factor line display command is input from the operation terminal 6 to display the link block generation factor line. In this case, by inputting the link block line number 01001 and inputting a command, the line number 02001 which is the link block generation factor is input.
And the accommodation position 01 is displayed.

Next, a rearrangement destination display command of the accommodation position of the link block generation factor line number is input from the operation terminal 6 to display the rearrangement destination of the accommodation position of the link block generation factor line number. In this case,
Link block generation factor By inputting the track number 02001 and inputting the rearrangement destination display command, the accommodation positions 21, 22, ...
Is displayed.

Thereafter, based on the display of the destination accommodation position, a connection change command is input from the operation terminal 6, and in this case, the line number-accommodation position-destination accommodation position,
For example, 02001-01-21 is designated, whereby the link block generation factor line number 02001 is set at the accommodation position 0.
The connection is changed from 1 to the accommodation position 21, and the link block is released.

FIG. 4 shows a case where all the cross links 3 corresponding to a certain secondary switch are used and a link block is generated. Now, track number 01002 and accommodation position 05, track number 01003 and accommodation position 09,
The track number 01004 and the accommodation position 13 are respectively path-connected, and three crossover links 3 are provided between other networks (track number 0X001 and accommodation position X1, track number 0Y001 and accommodation position Y1, track number 0Z001.
And the storage position Z1) are used, and the storage positions 01 to 04 are closed, the track number 01005 and the storage position 1
When 7 and 7 are path-connected, the line number 01001 has no connectable accommodating position and a link block is generated.

In this case, as in the above case, the link block line display command is input from the operation terminal 6 to display the link block line number 01001, and then the link block is generated by the displayed line number. A factor line display command is input to display the line number and accommodation position of the link block generation factor line. In this case, the track number 0X001 using the crossover link 3
The accommodation position X1, the line number 0Y001 and the accommodation position Y1, and the line number 0Z001 and the accommodation position Z1 are displayed.

After that, in order to extract the path move destination accommodating position of the link block generation factor line, an arbitrary one of the link block generation factor lines is designated and a rearrangement command is input to move the line number concerned. Display the previous storage position. Next, based on this display, the link block generation factor line number, the accommodation position and the destination accommodation position are specified and a connection change command is input, whereby rearrangement is performed and the link block is released.

[0018]

As described above, according to the present invention, when a link block occurs, the line number of the link block, the line number causing the link block and its accommodation position, and its movement. The destination accommodating position is displayed sequentially, and the connection of the line number that causes the link block is changed based on the display of the destination accommodating position, so the path information of all terminals is output as before. Therefore, the maintenance person does not have to check the line number causing the link block and the accommodation position and check the destination accommodation position of the line number. The rearrangement due to the link block generation can be efficiently and easily performed without requiring skill.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an example of a main part of an automatic MDF embodying the present invention.

FIG. 2 is a diagram showing an operation sequence according to an embodiment of the present invention.

FIG. 3 is a schematic connection diagram showing an aspect of link block generation.

FIG. 4 is a schematic connection diagram showing another mode of link block generation.

[Explanation of symbols]

1 Automatic MDF device 2-0 to 2-3 network 3 Cross link 4 Control device 5 Communication control device 6 Operation terminal 7 Public communication network PS00 to PS09, PS30 to PS39 Primary switch group SS00 to SS04, SS15 to SS19 Secondary switch group

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiko Tanaka 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation (72) Toshihiro Kinugawa 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation

Claims (1)

[Claims] 1. A plurality of imperfections each constituted by a two-stage link having a plurality of primary switch groups for accommodating and connecting subscriber lines and a plurality of secondary switch groups for connecting and accommodating lines to subscriber circuits of an exchange. When a link block is generated in automatically connecting a subscriber line in an automatic MDF having a group network and a crossover link connecting these networks to the subscriber circuit of the exchange, the link block becomes the link block. The line number of the subscriber line, the line number of the subscriber line that is the cause of the link block and the accommodation position of the secondary switch to which the line number is connected, and the destination accommodation of the line number that is the cause of the link block Positions are sequentially displayed, and based on the display of the destination accommodation position, connection of the track number that is the cause of the link block Organize replacement candidate extraction process in the automatic MDF, characterized in that to change.