JP3296019B2 - Optical connector switching device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical connector switching device for switching an optical fiber by using an optical connector.

[0002]

2. Description of the Related Art In recent years, with the spread of multicore optical fiber cables, it has become necessary to efficiently measure a large number of optical fibers, and to switch between multiple optical fibers with low loss and excellent reproducibility. A switching device is being developed.

The switching connection device presented at the 1992 IEICE Autumn Meeting "Development of high-density 2,000-core switching connection device" (Komiya et al.) Has one moving-side optical connector and 250 fixed-side switching connectors. This is an optical connector switching device using an optical connector. In the movable optical connector, an optical fiber of an eight-core tape is fixed between two positioning pins, and the fixed optical connector is located at a position corresponding to the positioning pin of the movable optical connector. It has a hole for alignment, between which an optical fiber of eight tapes is fixed. The 250 fixed-side optical connectors are composed of 50 optical connectors arranged in 10 rows and 5 columns as one unit.
Five units are mounted on the board, and the arrangement pitch of the optical connectors is 5 mm long and 14 mm wide. The moving side optical connector is moved by a motor in three X, Y, and Z directions.
By connecting to one of the 50 fixed-side optical connectors, light is switched in units of 8 cores.

[0004] Such a conventional optical connector switching device,
The fixed-side optical connector is configured to be completely fixed to the substrate or to be capable of being added or removed in units. However, with the development of optical communication networks in the future, in order to increase the flexibility of flexible network construction, it is necessary to add or replace optical connectors.

In this case, if the fixed optical connector is attached or detached in a state where the movable optical connector is at the coupling position with the fixed optical connector, the movable optical connector may be damaged. Had become.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and in the case where the movable optical connector is located at a position where there is a possibility of damage, the mounting of the fixed optical connector, It is an object of the present invention to realize an optical connector switching device capable of prohibiting movement for removal.

[0007]

According to a first aspect of the present invention, there is provided an optical connector switching apparatus for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors. Is provided with a movement preventing means for preventing movement of the fixed side optical connector in a state where it is at the coupling position with the fixed side optical connector, and an auxiliary member which moves simultaneously with the moving side optical connector operates the movement preventing means to fix the fixed side optical connector. The fixed connector is supported and fixed in the coupling direction by preventing movement of the optical connector. The invention according to claim 2 is the optical connector switching device according to claim 1, wherein The movement inhibiting means prevents movement of the fixed-side optical connector even when the movable-side optical connector is being coupled to the fixed-side optical connector. It is intended.

According to a third aspect of the present invention, there is provided an optical connector switching device for connecting and switching an optical fiber using a movable optical connector and a plurality of fixed optical connectors, for mounting a fixed optical connector mounting adapter. A lid is provided in the opening, and when the movable-side optical connector moves to a coupling position of a port on which the fixed-side optical connector is not mounted, the lid of the port is fixed in a closed state.

According to a fourth aspect of the present invention, there is provided an optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, and detects a mounting state of the fixed optical connector. Fixed optical connector detection means, and control means for controlling the movement of the movable optical connector based on the output of the fixed optical connector detection means, wherein the control means detects the fixed optical connector at a predetermined position. When the means does not detect the fixed-side optical connector, control is performed so as to prevent the moving-side optical connector from moving in the connecting direction. And a plurality of fixed-side optical connectors for connecting and switching optical fibers in a fixed-side optical connector detection device for detecting a mounting state of the fixed-side optical connector. Means for controlling the movement of the movable optical connector based on the output of the fixed optical connector detection means, the control means comprising: a movable optical connector at a port where the fixed optical connector is not mounted. When the fixed-side optical connector detecting means does not detect the fixed-side optical connector after moving to the coupling position, the control is performed so as to return the moving-side optical connector to the non-coupling position.

According to a sixth aspect of the present invention, in the optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, the plurality of fixed optical connectors are attached. A movable fixed optical connector mounting plate, and a movement preventing means for preventing movement of the fixed optical connector mounting plate when the movable optical connector is coupled to the fixed optical connector; The invention according to claim 7, wherein the auxiliary member that moves at the same time activates the movement inhibiting means to inhibit the movement of the fixed-side optical connector mounting plate. In the optical connector switching device of the above, the movement preventing means may include a fixed optical connector even when the movable optical connector is being coupled to the fixed optical connector. It is characterized in that it is intended to prevent movement of Kuta mounting plate.

According to an eighth aspect of the present invention, in the optical connector switching apparatus for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, the plurality of fixed optical connectors are attached. A fixed-side optical connector mounting plate, a movable protective cover covering a back surface of the fixed-side optical connector mounting plate, and a movement for preventing movement of the protective cover when the movable-side optical connector is coupled to the fixed-side optical connector. The invention according to claim 9, wherein an auxiliary member that is provided with a blocking means and moves simultaneously with the movable-side optical connector operates the movement blocking means to block the movement of the protective cover. 9. The optical connector switching device according to claim 8, wherein the movement preventing unit is configured to move the movable optical connector to a fixed optical connector. Can have is characterized in that it is intended to prevent movement of the protective cover.

[0012]

According to the first and second aspects of the present invention, when the movable optical connector is in the coupling position with the fixed optical connector, the movement of the fixed optical connector is prevented. Cannot be attached or detached even when the moving optical connector is being coupled to the fixed optical connector in a state where the optical connector is at the coupling position with the fixed optical connector. There is no risk of damaging the side optical connector.

According to the third aspect of the present invention, when the movable-side optical connector moves to the position where the fixed-side optical connector is not mounted, the mounting opening of the fixed-side optical connector mounting adapter is opened. Since the lid is fixed in the closed state, the fixed-side optical connector cannot be attached, and there is no risk of damaging the movable-side optical connector.

According to the fourth and fifth aspects of the present invention, when the fixed optical connector is not mounted, the movable optical connector is not placed at the coupling position, and the fixed optical connector is mounted. When the fixed-side optical connector is attached to a port that is not connected, the movable-side optical connector is not located there, and there is no risk of damaging the movable-side optical connector.

According to the sixth and seventh aspects of the present invention, when the movable optical connector is at the coupling position with the fixed optical connector, the movable optical connector is further coupled to the fixed optical connector. In this case, the movement of the fixed-side optical connector mounting plate is prevented, and there is no possibility of damaging the movable-side optical connector.

According to the eighth and ninth aspects of the invention, when the movable optical connector is at the coupling position with the fixed optical connector, the movable optical connector is further coupled to the fixed optical connector. In this case, the movement of the movable protective cover that covers the rear surface of the fixed-side optical connector mounting plate is prevented, and access to the fixed-side optical connector is disabled. Therefore, there is no possibility of damaging the movable-side optical connector.

[0017]

FIG. 8 is a view for explaining the basic structure of an optical connector switching device according to the present invention. FIG. 8 (A) is a schematic configuration diagram, and FIG. 8 (B) is a movable side optical connector and a fixed side optical connector. It is an enlarged view of a connector. In the drawing, 1 is a fixed side optical connector mounting plate, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 4
, A movable optical code; 6, a positioning pin; 41, a Z-axis base; 42, a Y-axis base; 43, an X-axis base; 44, a positioning hole;

A plurality of fixed-side optical connectors 2 are mounted at predetermined positions on the fixed-side optical connector mounting plate 1. The fixed-side optical cord 3 is attached to the fixed-side optical connector 2. In this embodiment, an eight-core tape is used. The same eight optical fiber ribbons are attached to the movable optical connector 4 as the movable optical cord 5.
On the connection end face, positioning pins 6 are provided on both sides of the eight optical fibers. In correspondence with this positioning pin 6,
As shown in FIG. 8B, the fixed-side optical connector 2 is provided with a positioning hole 44, and an optical fiber 45 appears between them. The end face of the movable-side optical connector 4 is aligned with and joined to the end face of the fixed-side optical connector 2, thereby achieving optical connection between the optical fibers.

The movable optical connector 4 is mounted on a Z-axis base 41, and the Z-axis base 41 is supported movably in the Z-axis direction with respect to a Y-axis base 42. Therefore, the Z-axis base 41 is moved in the front-rear direction with respect to the fixed-side optical connector 2, whereby the movable-side optical connector 4 is coupled to or separated from the fixed-side optical connector 2. The selection of the fixed-side optical connector 2 to be coupled is Y
This is performed by the axis base 42 and the X axis base 43. That is, the Y-axis base 42 is supported by the X-axis base 43 so as to be movable in the Y-axis direction, and the X-axis base 43 is supported by a substrate (not shown) so as to be movable in the X-axis direction. The movement of each base is performed by a motor (not shown), and the position of the base is controlled by a computer.

Thus, the movable optical connector 4 is
The fixed-side optical connector 2 to be coupled is selected by being moved to the three axes of XYZ and coupled. In this embodiment, the final positioning is performed with reference to a positioning member including the positioning pin 6 and the positioning hole 44 in this embodiment. Join. As described above, the position of the movable optical connector 4 is managed by the control unit having a computer, but the fixed optical connector 2 can be manually removed from the fixed optical connector mounting plate 1 individually. it can. If the fixed-side optical connector 2 is removed while the movable-side optical connector 4 is coupled to the fixed-side optical connector 2, not only the fixed-side optical connector 2 but also the positioning member and the movable-side optical connector 4 may be damaged. According to the present invention, as described later, the configuration is adopted in which the attachment and detachment of the fixed-side optical connector is prohibited, thereby preventing the damage of the fixed-side optical connector.

FIG. 1 is a schematic view of a main part of a first embodiment of the optical connector switching device according to the present invention. In the figure, 1 is a fixed side optical connector mounting plate, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 4 is a moving side optical connector, 5 is a moving side optical cord, 6 is a positioning pin, 7 is a mounting member, 8 is a claw member,
9 is a holding plate. In this embodiment, as shown in the figure, the fixed optical connector 2 is formed with a projection that engages with the claw member 8. FIG. 1A shows that the movable-side optical connector 4 has one unit by the X-axis base and the Y-axis base described in FIG.
In this state, the selected optical connector 2 is selected.

Next, as the Z-axis base moves forward, the claw member 8 engages with the projection of the fixed-side optical connector 2 as shown in FIG. The claw member 8 is formed of an elastic member to facilitate engagement and disengagement with the projection. Therefore, in this state, it is possible to remove the fixed-side optical connector 2 together with the mounting member 7.

Further, when the Z-axis base moves forward, as shown in FIG. 1C, the pressing plate 9 presses the vicinity of the tip of the claw member 8. As a result, the claw member 8 cannot be opened, and the fixed-side optical connector 2 cannot be removed. Thereafter, the Z-axis base further advances, and the movable optical connector 4 is coupled to the fixed optical connector 2.

As described above, when the movable optical connector 4 is being connected to the fixed optical connector 2, the claw member 8
And the pressing plate 9 prevents the fixed-side optical connector 2 from moving. Note that the movable optical connector 4 is not the fixed optical connector 2.
The holding plate 9 may hold the claw member 8 when the claw member 8 is connected to the claw member 8.

For the movement of the claw member 8 and the pressing plate 9, separate driving mechanisms may be provided, respectively, as shown in FIG.
A buffering action may be provided by using an elastic body or the like. In FIG.
4 is a moving side optical connector, 5 is a moving side optical cord, 6 is a positioning pin, 8 is a claw member, 9 is a holding plate, 10 is a support plate,
11 and 12 are spring members. The moving-side optical connector 4 is fixed to a support plate 10, and the claw member 8 and the holding plate 9 are connected to a spring member 1 together with an appropriate guide member (not shown).
1 and 12 attached to the support plate 10.
When the support plate 10 is advanced by the above-described Z-axis base, the claw member 8 and the pressing plate 9 also advance, and as shown in FIG. Engage. In this state, the movement of the claw member 8 is stopped by an appropriate stopper member.
It advances to the position shown in (C), and the movement is similarly stopped by an appropriate stopper member. During this forward movement, the spring member 11 absorbs the movement with respect to the claw member 8. Further, the moving side optical connector 4 moves forward. At the time of the movement, the spring members 11 and 12 absorb the movement with respect to the claw member 8 and the holding plate 9.

FIG. 3 is a schematic view of a main part of a second embodiment of the optical connector switching device according to the present invention. In the figure, 1 is a fixed side optical connector mounting plate, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 4 is a moving side optical connector, 5 is a moving side optical cord, 6 is a positioning pin, 9 is a holding plate, 13 is an adapter housing, 14 is a claw member, 15 is a housing, 16
Is an engaging portion, and 17 is an ejector. In this embodiment, a pressing plate 9 is added using an existing push-pull connector. That is, the structure of the push-pull connector is changed to the housing 1 to which the fixed-side optical connector 2 is attached.
5 is adopted in a structure to be attached to the adapter housing 13. This structure is such that when the housing 15 to which the fixed-side optical connector 2 is attached is inserted into the adapter housing 13, the claw member 14 of the adapter housing 13 enters the engaging portion 16 between the housing 15 and the ejector 17. They are attached together. When detaching the fixed-side optical connector 2, the ejector 16 is pulled to release the fitting of the claw member 14, and the housing 15 is pulled out.

The operation of the optical connector switching device will be described. FIG. 3A shows a state before the fixed-side optical connector 2 is attached. When the housing 15 is inserted, FIG.
2, the fixed-side optical connector 2 is attached to the adapter housing 13. In this state, the ejector 1
By pulling 7, it is possible to remove the fixed-side optical connector 2 from the adapter housing 13. FIG. 3 (B)
8 also shows a state in which the movable optical connector 4 is selected toward one fixed optical connector 2 by the X-axis base and the Y-axis base described in FIG.

Then, as the Z-axis base moves forward, as shown in FIG.
4 near the tip. Thereby, the ejector 1
Since the pressing plate 9 presses the claw member 14 even when the user pulls the 7, the fitting between the claw member 14 and the housing 15 does not come off, and the fixed-side optical connector 2 cannot be removed. Thereafter, the Z-axis base further advances, and the movable optical connector 4 is coupled to the fixed optical connector 2.

Also in this embodiment, when the movable optical connector 4 is connected to the fixed optical connector 2, the pressing plate 9
May hold the claw member 14.

FIG. 4 is a schematic view of a main part of a third embodiment of the optical connector switching device according to the present invention. In the figure, 1 is a fixed side optical connector mounting plate, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 4 is a movable side optical connector, 6 is a positioning pin, 18 is an inner cover, and 19 is an outer cover. In this example,
If a fixed optical connector is not mounted on a port and the moving optical connector is located at that port, prevent the fixed optical connector from being attached and protect the moving optical connector from damage. It is assumed that.

The inner lid 18 and the outer lid 19 are rotatably mounted, and are urged by a spring member (not shown) to take a closed position shown in FIG. 4A when no force is applied. ing. In this state, if the movable-side optical connector 4 advances to the coupling position where the fixed-side optical connector is not mounted, the inner cover 18 is moved to the movable-side optical connector 4.
To rotate to the position indicated by the dotted line. In this state, the outer lid 19 cannot be rotated inward by the inner lid 18. Therefore, attachment of the fixed-side optical connector 2 is prevented. When the movable side optical connector 4 is not located at the port, the fixed side optical connector 2 can be attached as shown in FIG. 4B, and when the fixed side optical connector is mounted, The inner cover 18 is opened from the beginning at the position shown by the dotted line, and there is no problem in connecting the movable optical connector 4.

FIG. 5 is a schematic view of a main part of a fourth embodiment of the optical connector switching device according to the present invention. In the figure, 1 is a fixed side optical connector mounting plate, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 4 is a movable side optical connector, 6 is a positioning pin, and 20 is a sensor. In this embodiment, the sensor 20
Is used to detect whether or not the fixed-side optical connector is mounted. The sensor 20 may be either a contact type or a non-contact type, and moves accompanying the movable optical connector 4. Since the control unit stores the coupling position of the movable optical connector 4 and the like, even if the movable optical connector 4 moves to a predetermined position, if the sensor 20 does not detect the fixed optical connector 2, It is determined that the fixed side optical connector 2 is not mounted on that port. This sensor 20
Can be performed at a position before the combined position. When it is determined that the fixed-side optical connector 2 is not mounted at that position, control is performed so that the movable-side optical connector 4 is not further advanced.

Further, the presence or absence of the fixed-side optical connector 2 may be determined at the coupling position. If it is determined that the fixed-side optical connector 2 is not mounted at the coupling position, the movable-side optical connector 4
Is controlled to retreat to a position where it does not touch even if it is attached.

The sensor 20 may be urged forward by a spring member or the like, or may be moved backward when contact is detected, in a manner that does not hinder the connection with the fixed-side optical connector 2. Provided. It is also possible to add the third or fourth embodiment to the first or second embodiment.

FIG. 6 is a schematic view of a main part of a fifth embodiment of the optical connector switching device according to the present invention. In this embodiment, a plurality of fixed side optical connector mounting plates are provided, and a plurality of fixed side optical connectors are mounted on each fixed side optical connector mounting plate. The fixed-side optical connector mounting plate is configured to be movable in the direction of the arrow with respect to the substrate.

The reason why the fixed-side optical connector mounting plate is movable will be described. An optical connector configured to facilitate detachment of the optical connector in units of one connector uses an adapter housing or the like for one-touch fixing. For this reason, a large mounting area is required, and in particular, a space around the adapter housing is required to grip the adapter housing by hand. For this reason, in order to increase the mounting density, a structure is adopted in which the fixed-side optical connector mounting plate is moved to create a removal space for replacing the fixed-side optical connector. Even in the optical connector switching device having such a structure, if the fixed-side optical connector mounting plate is moved while the movable-side optical connector and the fixed-side optical connector are coupled, both connectors may be damaged.

FIG. 6A shows an embodiment in the case of a fixed-side optical connector mounting plate having a slide structure. In the figure, 2 is a fixed-side optical connector, 21 is a fixed-side optical connector mounting plate, 22 and 23 are plate support substrates, 24 is an engagement hole,
5 is a moving member, 26 is a fixing pin. The fixed side optical connector mounting plate 21 is provided with protrusions on the upper and lower sides,
They are fitted into the grooves of the plate support substrates 22 and 23 so as to be slidable left and right. The lower plate support board 23 is provided with an engagement hole 24 that also penetrates the projection of the fixed-side optical connector mounting plate 21.
At the stage where the position of the moving member 25 in the X-axis direction is selected and the position of the moving-side optical connector (not shown) in the Y-axis direction is determined, the moving member 25 moves forward, and the fixed pin 26 Are fitted into the engagement holes 24 corresponding to the fixed-side optical connector mounting plate 21 to which the selected fixed-side optical connector 2 is mounted. Thereby, the movement of the fixed-side optical connector mounting plate 21 is prevented.

FIG. 6B shows an embodiment in the case of a fixed-side optical connector mounting plate having a rotating structure. In the figure, 2 is a fixed side optical connector, 21 is a fixed side optical connector mounting plate,
24 is an engagement hole, 25 is a moving member, 26 is a fixing pin, 27
Is a plate support shaft, and 28 is a plate support substrate. The upper part of the fixed-side optical connector mounting plate 21 is rotatably mounted on the plate support shaft 27. The lower plate supporting board 23 is preferably provided with a locking mechanism for locking the rotation of the fixed-side optical connector mounting plate 21. An engagement hole 24 is provided below the fixed optical connector mounting plate 21. As described with reference to FIG. 6A, at the stage where the position of the moving member 25 in the X-axis direction is selected and the position of the moving-side optical connector (not shown) in the Y-axis direction is determined, the moving member 25 moves forward. The fixed-side optical connector mounting plate 21 to which the fixed-side optical connector 2 whose fixed pin 26 is selected is mounted together with the connection of the movable-side optical connector.
Are fitted in the corresponding engagement holes 24. Thus, the rotation of the fixed-side optical connector mounting plate 21 is prevented.

The mechanism for preventing the fixed-side optical connector mounting plate from moving is not limited to the fixing pin and the engaging hole, but may be an appropriate locking mechanism. FIG. 7 is a schematic view of a main part of a sixth embodiment of the optical connector switching device according to the present invention. In the figure, 2 is a fixed side optical connector, 3 is a fixed side optical cord, 21 is a fixed side optical connector mounting plate, 24 is an engagement hole, 25 is a moving member, 26 is a fixed pin, 31 and 32 are plate support substrates, 33 is a protective cover, 34 is an opening, and 35 is a protective cover support shaft. In this embodiment, a structure is adopted in which access to the entire fixed optical connector is prohibited.

The fixed-side optical connector mounting plate 21 to which the plurality of fixed-side optical connectors 2 are mounted is mounted on plate supporting substrates 31 and 32. A protective cover 33 is put on the rear surface of all the fixed-side optical connector mounting plates 21, and is rotatably attached to the plate supporting substrate 31 by a protective cover supporting shaft 35. Protective cover 3
The slit 3 is provided with a slit-shaped opening 34 through which the fixed-side optical cord 3 can pass, so that the protective cover 33 can be rotated by using the opening 34 while dodging the fixed-side optical cord 3. Have been. However, the size is selected from the opening 34 so that the fixed optical connector 2 cannot be attached or detached. The lower plate support substrate 32 is provided with an engagement hole 24 that also penetrates a part of the protective cover 33. The engagement holes 24 are provided at positions corresponding to the respective fixed-side optical connector mounting plates 21. As described with reference to FIG.
At the stage when the position 5 in the X-axis direction is selected and the position of the moving-side optical connector (not shown) in the Y-axis direction is determined, the moving member 25 moves forward, and together with the connection of the moving-side optical connector, the fixing pin 26 is selected. The fixed-side optical connector 2 is fitted in the engagement hole 24 corresponding to the fixed-side optical connector mounting plate 21 to which the fixed-side optical connector 2 is attached. Accordingly, the rotation of the protection cover 33 is prevented, and access to the fixed-side optical connector 2 is prohibited.

It is to be noted that the protective cover 33 is commonly used for all the fixed side optical connector mounting plates 21 in common.
It is not necessary to provide one, and it may be divided appropriately and each may cover a part of the fixed-side optical connector mounting plate 21. Further, as described in FIG. 6, an appropriate mechanism can be adopted as the lock mechanism.

[0042]

As is apparent from the above description, according to the present invention, when the movable optical connector is located at a position where there is a risk of breakage, the movement for attaching and detaching the fixed optical connector is prohibited. This has the effect of preventing damage to the optical connector.

[Brief description of the drawings]

FIG. 1 is a schematic view of a main part of a first embodiment of an optical connector switching device according to the present invention.

FIG. 2 is an explanatory diagram of the drive mechanism of FIG.

FIG. 3 is a schematic view of a main part of a second embodiment of the optical connector switching device of the present invention.

FIG. 4 is a schematic view of a main part of a third embodiment of the optical connector switching device of the present invention.

FIG. 5 is a schematic view of a main part of a fourth embodiment of the optical connector switching device of the present invention.

FIG. 6 is a schematic view of a main part of a fifth embodiment of the optical connector switching device according to the present invention.

FIG. 7 is a schematic diagram of a main part of a sixth embodiment of the optical connector switching device of the present invention.

FIG. 8 is an explanatory diagram of a basic structure of the optical connector switching device of the present invention.

[Explanation of symbols]

 1, 21 Fixed-side optical connector mounting plate 2 Fixed-side optical connector 3 Fixed-side optical cord 4 Moving-side optical connector 5 Moving-side optical cord 6 Positioning pin 7 Mounting member 8, 14 Claw member 9 Pressing plate 10 Support plate 11, 12 Spring Member 13 Adapter housing 15 Housing 16 Engagement part 17 Ejector 18 Inner lid 19 Outer lid 20 Sensor 22, 23, 28, 31, 32 Plate support board 24 Engagement hole 25 Moving member 26 Fixed pin 27 Plate support shaft 33 Protective cover 34 Opening 35 Protective cover support shaft 42 Y-axis base 43 X-axis base 44 Positioning hole 45 Optical fiber

Claims (9)

(57) [Claims] 1. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein the movable optical connector is fixed in a state where the movable optical connector is coupled to the fixed optical connector. A movement preventing means for preventing movement of the side optical connector is provided, and an auxiliary member that moves simultaneously with the moving side optical connector activates the movement preventing means to prevent the movement of the fixed side optical connector, thereby preventing the fixed side connector from moving. An optical connector switching device, which is supported and fixed in a coupling direction. 2. The apparatus according to claim 1, wherein the movement preventing means prevents movement of the fixed optical connector even when the movable optical connector is being coupled to the fixed optical connector. Optical connector switching device. 3. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein a lid is provided at a mounting opening of a fixed optical connector mounting adapter. An optical connector switching device, wherein when a side optical connector is moved to a coupling position of a port on which a fixed optical connector is not mounted, the lid of the port is fixed in a closed state. 4. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein a fixed optical connector detecting means for detecting a mounting state of the fixed optical connector. And control means for controlling the movement of the movable-side optical connector based on the output of the fixed-side optical connector detection means, wherein the control means detects that the fixed-side optical connector detection means has a fixed-side optical connector at a predetermined position. An optical connector switching device that controls to prevent movement of a movable optical connector in a coupling direction when detection is not performed. 5. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein a fixed optical connector detecting means for detecting a mounting state of the fixed optical connector. And control means for controlling the movement of the movable-side optical connector based on the output of the fixed-side optical connector detection means. The control means couples the movable-side optical connector to a port on which the fixed-side optical connector is not mounted. An optical connector switching device for controlling the movable optical connector to return to a non-coupling position when the fixed optical connector detection means does not detect the fixed optical connector after moving to the position. 6. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein the movable fixed optical connector to which the plurality of fixed optical connectors are attached. A mounting plate, and a movement preventing means for preventing movement of the fixed side optical connector mounting plate when the moving side optical connector is coupled to the fixed side optical connector, and an auxiliary member which moves simultaneously with the moving side optical connector, An optical connector switching device, wherein the movement preventing means is operated to prevent movement of the fixed side optical connector mounting plate. 7. The apparatus according to claim 1, wherein said movement preventing means prevents movement of the fixed-side optical connector mounting plate even when the movable-side optical connector is being coupled to the fixed-side optical connector. 7. The optical connector switching device according to 6. 8. An optical connector switching device for connecting and switching optical fibers using a movable optical connector and a plurality of fixed optical connectors, wherein a fixed optical connector mounting plate to which the plurality of fixed optical connectors are mounted. A movable protective cover for covering the rear surface of the fixed-side optical connector mounting plate, and a movement preventing means for preventing movement of the protective cover when the movable-side optical connector is coupled to the fixed-side optical connector; An optical connector switching device, wherein an auxiliary member that moves simultaneously with the moving-side optical connector activates the movement preventing means to prevent movement of the protective cover. 9. The apparatus according to claim 8, wherein the movement preventing means prevents movement of the protective cover even when the movable optical connector is being coupled to the fixed optical connector. Optical connector switching device.