Abstract: A management system of a fusion splicer for selecting an appropriate maintenance base when the fusion splicer malfunctions. The management system includes a determination unit configured to determine a type of a failure mode of the fusion splicer, an acquisition unit configured to acquire position information of the fusion splicer, and a selection unit configured to select an appropriate maintenance base on the basis of the type of the failure mode determined by the determination unit and the position information of the fusion splicer acquired by the acquisition unit.

Abstract: Disclosed is a theft sensing system for sensing a theft of a fusion splicer by using an information terminal. The system includes a wireless communication unit that enables the fusion splicer to perform wireless communication with the information terminal, an authentication processing unit that performs an authentication process such that the fusion splicer and the information terminal are wirelessly connected to each other, an acquisition unit that acquires wireless situation data between the fusion splicer and the information terminal which are wirelessly connected to each other, a decision unit that decides whether the fusion splicer moves in a direction away from the information terminal based on a change in the wireless situation data acquired by the acquisition unit, and a notification unit that performs a predetermined notification process in the information terminal when the decision unit decides that the fusion splicer moves in the direction away from the information terminal.

Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.

Abstract: An optical fiber holder for holding an optical fiber includes a holder body part on which a first optical fiber and a second optical fiber having a different outer diameter are mountable, a lid body which is disposed to the holder body part, and a fiber posture correction block which is provided on the lid body on a side close to a terminal processing part of the first optical fiber and the second optical fiber. The holder body part includes a first regulating part at an end part thereof on a terminal processing part side, and the first regulating part regulates movement of a first glass fiber of the first optical fiber and a second glass fiber of the second optical fiber. The fiber posture correction block includes a contact part to contact the second optical fiber at an end part thereof on the terminal processing part side.

Abstract: A theft tracking system for tracking a stolen fusion splicer of fusion splicers each of which is wirelessly accessible.

Abstract: An inner component used for a fan-out cord includes a first fixing portion that fixes a reinforcing tube that accommodates a plurality of optical fibers and a tension fiber, at least one second fixing portion that fixes a plurality of reinforcing tubes each of which accommodates at least one of the plurality of optical fibers, and an accommodation portion that accommodates the plurality of optical fibers exposed from the reinforcing tubes between the first fixing portion and the at least one second fixing portion.

Abstract: An optical connector according to an exemplary embodiment is an optical connector including a plurality of optical connector plugs collectively connected to each of a plurality of adapters arranged along a first direction and a second direction intersecting the first direction, along a connection direction intersecting both the first direction and the second direction, the optical connector includes: a plurality of holders configured to be arranged along the second direction while holding the plurality of optical connector plugs arranged in the first direction, and a handle configured to hold the plurality of holders arranged in the second direction.

Abstract: An optical connector comprises: an inner housing including an engagement recess for engaging an optical adaptor on its surface; a boot connected to a rear side of the inner housing; a first outer housing covering the engagement recess; and a second outer housing covering a part of the first outer housing and provided freely movably in a front-rear direction relative to the first outer housing. When the second outer housing moves frontward, the engagement recess is exposed by the second outer housing and the inner housing moving relative to the first outer housing, and when the second outer housing moves rearward, the engagement recess is exposed by the second outer housing and the first outer housing moving relative to the inner housing.

Abstract: Disclosed is a theft sensing system for sensing a theft of a fusion splicer by using an information terminal. The system includes a wireless communication unit that enables the fusion splicer to perform wireless communication with the information terminal, an authentication processing unit that performs an authentication process such that the fusion splicer and the information terminal are wirelessly connected to each other, an acquisition unit that acquires wireless situation data between the fusion splicer and the information terminal which are wirelessly connected to each other, a decision unit that decides whether the fusion splicer moves in a direction away from the information terminal based on a change in the wireless situation data acquired by the acquisition unit, and a notification unit that performs a predetermined notification process in the information terminal when the decision unit decides that the fusion splicer moves in the direction away from the information terminal.

Abstract: A fusion splicer is capable of sensing whether or not the fusion splicer is in a stolen state in cooperation with a theft sensing device. The fusion splicer includes an authentication processing unit that authenticates the theft sensing device, a storage unit that stores identification information of the theft sensing device subjected to authentication processing, a decision unit that decides whether or not the fusion splicer is in a stolen state based on a communication condition with respect to the theft sensing device, a locking unit that locks at least a part of functions of the fusion splicer when it is decided that the fusion splicer is in a stolen state, a releasing unit that temporarily releases the locked function of the fusion splicer, and an input unit that receives an input of a release ID for releasing the locked state.

Abstract: A termination unit located on a rack part of an optical fiber rack includes a housing a plurality of first optical fibers located in the housing, the plurality of first optical fibers being fusion spliced to a multi fiber cable introduced from an outside of the optical fiber rack, an adapter group including a plurality of adapters in a line in the housing, the plurality of adapters being respectively connected to the plurality of first optical fibers on an inside of the housing and being respectively connected to a plurality of second optical fibers on an outside of the housing, and an optical fiber passing part through which at least one optical fiber is configured to pass, the optical fiber passing part being located in at least one of: the adapter group, and between the housing and the adapter group in an arrangement direction.

Abstract: An optical fiber holder includes a holder main body, a V-groove which is formed on an upper surface of the holder main body and accommodates a first optical fiber, a recessed groove which is formed on a same straight line with the V-groove and accommodates a second optical fiber having a coating portion with a larger outer diameter than the first optical fiber, and an abutting portion which is provided on an end portion of the recessed groove on an opposite side to the V-groove and includes an opening portion which has a smaller width than the recessed groove. When the second optical fiber is accommodated in the recessed groove, a fiber core wire of the second optical fiber protrudes to an outside via the opening portion and an end portion of the coating portion of the second optical fiber abuts on the abutting portion.

Abstract: An optical connector 1 is an optical connector connected to an external optical adapter. The optical connector 1 is provided with: an inner housing 3, in a surface of which engaging holes for engaging the optical adapter is provided; a boot 6 connected to the inner housing 3 on a side opposite the optical adapter in a forward/backward direction; and a first outer housing 4 and a second outer housing 5 covering the engaging holes and mounted on the inner housing 3 to be freely movable in the forward/backward direction. As the second outer housing 5 moves backward, the engaging holes of the inner housing 3 are exposed. The second outer housing 5 has cutout parts 5c which are cut out from a back end surface 5f in the forward direction and which a front end part of the boot 6 enters.

Abstract: A measurement system is a measurement system inspecting an optical transmission line configured by connecting a plurality of optical cables, each of which includes a plurality of optical fibers, wherein the optical transmission line includes a plurality of optical fiber lines configured by connecting the plurality of optical fibers in the plurality of optical cables, the measurement system including: a first measurement device configured to be disposed at a first end of the optical transmission line; and a second measurement device configured to be disposed at a second end of the optical transmission line, wherein the first measurement device and the second measurement device perform a first measurement to inspect whether the optical cable is misconnected, and a second measurement to inspect the plurality of optical fiber lines in a case where it is determined that there is no misconnection in the first measurement.

Abstract: Provided is an optical fiber cutter for cutting an optical fiber, the optical fiber cutter including a cutter base, a slider, a blade member, a rotating body, and a rotation control mechanism that controls rotation of the blade member, in which the rotation control mechanism includes a main body rotatably provided in the cutter base, and a swinging portion that swings around a shaft provided in the cutter base in conjunction with rotation of the main body, and the swinging portion swings to a first position at which the swinging portion comes into contact with the rotating body to rotate the blade member by a predetermined angle when the slider reaches a predetermined position and a second position at which the swinging portion does not come into contact with the rotating body at the predetermined position of the slider.

Abstract: An optical connector includes a first housing and a second housing which is attached to a rear portion of the first housing in an attachable and detachable manner. The second housing includes a first latch portion and a second latch portion which extend from the rear portion toward the front portion so as to respectively engage with an adapter or a receptacle in a first connector inlet and a second connector inlet. The second housing is attachable to the rear portion in both of a state in which the first latch portion and the second latch portion are located on one side of the first housing in a third direction intersecting the first direction and the second direction and a state in which the first latch portion and the second latch portion are located on other side thereof.

Abstract: A measurement system is a measurement system inspecting an optical transmission line configured by connecting a plurality of optical cables, each of which includes a plurality of optical fibers, wherein the optical transmission line includes a plurality of optical fiber lines configured by connecting the plurality of optical fibers in the plurality of optical cables, the measurement system including: a first measurement device configured to be disposed at a first end of the optical transmission line; and a second measurement device configured to be disposed at a second end of the optical transmission line, wherein the first measurement device and the second measurement device perform a first measurement to inspect whether the optical cable is misconnected, and a second measurement to inspect the plurality of optical fiber lines in a case where it is determined that there is no misconnection in the first measurement.

Abstract: An optical connector includes: a housing which includes an optical connector portion provided in a front portion in a first direction and inserted into a connector inlet of an adapter or a receptacle and a latch portion extending from a rear portion to the front portion in the first direction and engaging with the adapter or the receptacle; and a tab which extends from an outer surface of the housing to the rear side of the housing in the first direction and is attached to the outer surface so as to be slidable in the first direction. The latch portion includes a portion which extends in a second direction intersecting the first direction. The tab includes an inclined surface which is inclined with respect to the first direction and contacts the portion and slides backward to press the portion. The tab and the housing have a slidable engagement mechanism.

Abstract: An optical fiber rack includes: a rack part on which a plurality of termination units arranged along an up-down direction are located; an optical fiber housing part which has a back plate and in which an extra length wiring part in a plurality of optical fiber bundles connected to each of the plurality of termination units is housed; and a plurality of first dividing bodies for dividing locations of the optical fiber bundles in the optical fiber housing part, the plurality of first dividing bodies being attached to the back plate so as to be arranged along the up-down direction in the optical fiber housing part. The first dividing body has a holding part for holding the corresponding optical fiber bundle, and the holding part of the first dividing body provided lower in the up-down direction is positioned to be separated from the back plate.

Abstract: A management system for managing updating of operating software of a plurality of fusion splicers to which unique identifiers are assigned respectively, is disclosed. The management system is provided with a receiving unit that receives identifiers from a plurality of fusion splicers through wireless signals, the identifiers being assigned to the respective fusion splicers, a determination unit that determines whether or not operating software of a fusion splicer assigned to an identifier received by the receiving unit is operating software to be updated, an acquisition unit that acquires operating software update information appropriate for the fusion splicer for which the operating software is determined by the determination unit to be operating software to be updated, and a transmitting unit that transmits the operating software update information appropriate for the individual fusion splicer acquired by the acquisition unit to the fusion splicer.