PLUG, PLUG CONNECTOR SYSTEM, PLUG KIT, AND METHOD FOR THE FIELD TERMINATION OF A CABLE WITH A PLUG

20240055810 · 2024-02-15

    Inventors

    Cpc classification

    International classification

    Abstract

    A plug, in particular a single-pair ethernet plug, has a plug unit for plugging into a corresponding plug socket unit along a plug-in direction and has a wiring block for receiving two conductor cores of a cable, wherein the wiring block is in an assembled state connected to the plug unit along an assembly direction, which is perpendicular to the plug-in direction.

    Claims

    1. A plug, in particular a single-pair ethernet plug, having a plug unit for plugging into a corresponding plug socket unit along a plug-in direction and having a wiring block for receiving two conductor cores of a cable, wherein the wiring block is in an assembled state connected to the plug unit along an assembly direction, which is perpendicular to the plug-in direction.

    2. The plug has claimed in claim 1, wherein the plug unit has a receiving space for receiving the wiring block, which is open contrary to the assembly direction and contrary to the plug-in direction.

    3. The plug as claimed in claim 1, wherein the wiring block is in the assembled state situated at least to a large extent inside the plug unit.

    4. The plug as claimed in claim 1, comprising a plug shielding unit, which in the assembled state surrounds the plug unit at least section-wise.

    5. The plug as claimed in claim 4, wherein the plug shielding unit comprises a plug shielding element and a plug shielding flap which is pivotably connected to the plug shielding element and which is pivotable relative to the plug shielding element around a pivot axis running parallel to the plug-in direction.

    6. The plug as claimed in claim 5, wherein in the assembled state the plug shielding element and the plug shielding flap are snapped together with each other and/or with a plug housing of the plug unit.

    7. The plug as claimed in claim 4, wherein the plug shielding unit comprises two contacting tabs, which are provided for engaging around the cable and for crimping.

    8. The plug at least as claimed in claim 4, comprising a cable kink protection, which is at least substantially closed in a circumferential direction with respect to the plug-in direction and which ensures a connection of the wiring block to the plug unit and in particular a connection of the plug shielding unit to the plug unit.

    9. The plug as claimed in claim 8, wherein the cable kink protection comprises at least one connection element for a connection to a coding element.

    10. The plug as claimed in claim 1, comprising a plug shielding unit, which comprises a latch element for locking the plug unit with the plug socket unit and comprises an actuating element for unlocking the latch element, wherein the actuating element comprises an actuating tab and the latch element comprises a latching tab, which interact at least for an unlocking.

    11. The plug as claimed in claim 10, wherein the actuating tab is oriented parallel to the plug-in direction and the latching tab is oriented antiparallel to the plug-in direction.

    12. The plug as claimed in claim 10, wherein the plug unit has a latch receiving space for receiving the latch element at least during the unlocking.

    13. A plug connector system, having at least one plug as claimed in claim 1 and having at least one plug socket, which comprises the corresponding plug socket unit.

    14. A plug kit for the field termination of a plug as claimed in claim 10, having the plug unit, the wiring block and the plug shielding unit.

    15. A method for field termination of a cable with a plug by means of a plug kit as claimed in claim 14, wherein the cable is connected to the wiring block and the wiring block is then connected to the plug unit along the assembly direction, which is perpendicular to the plug-in direction.

    16. A plug, in particular a single-pair ethernet plug, having a plug unit for plugging into a corresponding plug socket unit along a plug-in direction and having a wiring block for recovering two conductor cores of a cable, comprising a plug shielding unit, which comprises a latch element for locking the plug unit with the plug socket unit and comprises an element for unlocking the latch element, wherein the actuating element comprises an actuating tab and the latch element comprises a latching tab, which interact at least for an unlocking.

    Description

    DRAWINGS

    [0026] Further benefits will emerge from the following description of the figures. The drawings show eight exemplary embodiments of the invention. The drawings, the description, and the claims contain many features in combination. The person skilled in the art will advisedly consider the features even individually and combine them into further meaningful combinations.

    [0027] There are shown:

    [0028] FIG. 1 a plug connector system with a plug socket and a plug in a schematic perspective representation,

    [0029] FIG. 2 the plug socket in a schematic representation,

    [0030] FIG. 3 the plug socket with an optical fiber in a schematic representation,

    [0031] FIG. 4 a plug socket kit for producing the plug socket,

    [0032] FIG. 5 a schematic method flow chart of a method for producing the plug socket with the plug socket kit,

    [0033] FIG. 6 a plug kit for the field termination of the plug,

    [0034] FIG. 7 a cable kink protection of the plug and a coding element in two schematic views,

    [0035] FIG. 8 a schematic method flow chart of a method for the field termination of a cable with the plug,

    [0036] FIG. 9 a further exemplary embodiment of a plug in a schematic perspective representation,

    [0037] FIG. 10 a plug kit for the field termination of the plug from the exemplary embodiment of FIG. 9,

    [0038] FIG. 11 a schematic cross-sectional representation through a plug unit and a plug shielding unit of the plug from the exemplary embodiment of FIG. 9,

    [0039] FIG. 12 a further exemplary embodiment of a plug with a plug unit and a plug shielding unit in a schematic cross-sectional representation,

    [0040] FIG. 13 a further exemplary embodiment of a plug with a plug unit and a plug shielding unit in a schematic cross-sectional representation,

    [0041] FIG. 14 a further exemplary embodiment of a plug with a plug unit and a plug shielding unit in a schematic cross-sectional representation,

    [0042] FIG. 15 a further exemplary embodiment of a plug with a cable kink protection and a coding element in two schematic views,

    [0043] FIG. 16 a further exemplary embodiment of a plug with a cable kink protection and a coding element in two schematic views and

    [0044] FIG. 17 a further exemplary embodiment of a plug with a cable kink protection and a coding element in two schematic views.

    DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

    [0045] FIG. 1 shows a plug connector system 64a. The plug connector system 64a is designed as a single-pair ethernet plug connector system. The plug connector system 64a comprises a plug socket 10a and a plug 80a.

    [0046] The plug socket 10a is designed as a single-pair ethernet plug socket. The plug socket 10a comprises a connection unit 36a for a connection to a circuit board (not shown). The plug socket 10a comprises a plug socket unit 12a. At a front side 14a, the plug socket unit 12a comprises a plug opening 16a. The plug opening 16a is provided to receive a corresponding plug unit 18a along a plug-in direction 20a. The plug socket unit 12a comprises a plug socket subunit 46a. The plug socket subunit 46a comprises the plug opening 16a. The plug socket unit 12a comprises a further plug socket subunit 48a. The further plug socket subunit 48a comprises a further plug opening 50a. The further plug opening 50a is provided to receive a further plug unit (not shown) along a further plug-in direction 52a. The further plug-in direction 52a is parallel to the plug-in direction 20a. The plug socket subunit 46a is made as a single piece with the further plug socket subunit 48a.

    [0047] The plug 80a of the plug connector system 64a comprises the plug unit 18a corresponding to the plug opening 16a.

    [0048] FIG. 2 shows the plug socket 10a in a schematic view. The plug socket 10a comprises a fiber optic unit 22a. The fiber optic unit 22a comprises at least one optical fiber 24a. The optical fiber 24a extends from a rear side 26a of the plug socket unit 12a to the front side 14a (see FIG. 1).

    [0049] In the present instance, the fiber optic unit 22a comprises a further optical fiber 40a. The further optical fiber 40a extends likewise from the rear side 26a of the plug socket unit 12a to the front side 14a (see FIG. 1).

    [0050] By means of the optical fiber 22a and/or the further optical fiber 40a of the fiber optic unit 22a, optical signals (not shown) can be transported in an operational state of the plug socket 10a from external signal sources (not shown), such as LEDs, which are mounted independently of the plug socket 10a on the circuit board, via the rear side 26a to the front side 14a, so that for example the operational state or a malfunction or the like can be indicated at the front side 14a of the plug socket 10a.

    [0051] The fiber optic unit 22a comprises a connection web 42a. The connection web 42a connects the optical fiber 24a to the further optical fiber 40a. The connection web 42a is arranged between the optical fiber 24a and the further optical fiber 40a and is oriented basically perpendicular to the two optical fibers 24a, 40a.

    [0052] FIG. 3 shows the plug socket 10a and the fiber optic unit 22a in a schematic representation. The plug socket unit 12a has at least one pass-through opening 30a to receive the optical fiber 24a. The pass-through opening 30a is situated at the plug socket subunit 46a of the plug socket unit 12a. The pass-through opening 30a extends from the rear side 26a to the front side 14a of the plug socket unit 12a and thus contrary to the plug-in direction 20a. In the present instance, the plug socket unit 12a has a further pass-through opening 68a to receive the further optical fiber 40a. The further pass-through opening 68a is situated at the further plug socket subunit 48a. The further pass-through opening 68a extends from the rear side 26a to the front side 14a and thus contrary to the further plug-in direction 52a.

    [0053] The optical fiber 24a comprises a connection element 32a for a releasable connection to the plug socket unit 12a. In the present instance, the connection element 32a is configured as a catch element 34a and is provided for a latching to a mating locking element (not shown) of the plug socket unit 12a, situated in and/or at the pass-through opening 30a. The connection element 32a of the optical fiber 24a which is configured as the catch element 34a is configured in the present instance as a latching recess. The mating locking element situated inside the pass-through opening 30a is configured as a latching hook corresponding to the catch element 34a.

    [0054] The further optical fiber 40a comprises a further connection element 78a. The further connection element 78a is configured as a catch element 34a, namely, as a latching recess, and it is designed to latch to a further mating locking element (not shown) situated in and/or at the further pass-through opening 68a. The further connection element 78a of the further optical fiber 40a is basically identical in configuration to the connection element 32a of the optical fiber 24a.

    [0055] The optical fiber 24a has a deflection region 38a for the deflection of an optical signal (not represented). The deflection region 38a is configured as an angular surface inside the optical fiber 24a. The optical signal is deflected in the deflection region 38a by means of total reflection, similar to a periscope.

    [0056] The further optical fiber 40a has a further deflection region 76a. By contrast with the deflection region 38a of the optical fiber 24a, the further deflection region 76a of the further optical fiber 40a has a radius and is curved, similar to a glass fiber.

    [0057] FIG. 4 shows a plug socket kit 66a for producing the plug socket 10a in various schematic views. The plug socket kit 66a encompasses the plug socket unit 12a, the fiber optic unit 22a (see FIG. 3) and a plug socket shielding unit 44a. In a representation of FIG. 4 at the right side, the plug socket 10a is shown in an assembled state in a schematic view of an underside 28a of the plug socket unit 12a. The plug socket 10a comprises the plug socket shielding unit 44a. The plug socket shielding unit 44a comprises an inner shielding element 54a and an outer shielding element 58a. The inner shielding element 54a is arranged in the assembled state between the plug socket subunit 46a and the further plug socket subunit 48a. In a lefthand view of FIG. 4, the plug unit 12a and the inner shielding element 54a are shown schematically. The plug socket unit 12a has a shielding opening 56a. The shielding opening 56a is provided to receive the inner shielding element 54a of the plug socket shielding unit 44a. The shielding opening 56a is arranged between the plug socket subunit 46a and the further plug socket subunit 48a. A middle view of FIG. 4 shows the plug unit 12a with the inner shielding element 54a arranged in the shielding opening 56a. The outer shielding element 58a in the assembled state covers at least the major portion of an outer side 60a of the plug socket unit 12a.

    [0058] The outer shielding element 58a has at least one recess 62a for leading through the optical fiber 24a. In the present instance, the outer shielding element 58a has a further recess 70a (see FIG. 3) to lead through the further optical fiber 40a. The recess 62a is situated in front of the pass-through opening 30a. The further recess 70a is situated in front of the further pass-through opening 68a (see FIG. 3).

    [0059] FIG. 5 shows a schematic flow chart of a method for producing the plug socket 10a with the plug socket kit 66a. The method involves at least two steps of the method 72a, 74a. In a first step of the method 72a, the plug socket unit 12a is provided with the plug socket shielding unit 44a. First of all, the inner shielding element 54a is introduced into the shielding opening 56a of the plug socket unit 12a (see FIG. 4). Next, in the first step of the method 72a, the outer shielding element 58a is placed on the outer side 60a of the plug unit 12a and contacted with the inner shielding element 54a (see FIG. 4). In a second step of the method 74a, the fiber optic unit 22a is connected to the plug unit 12a. The optical fiber 24a in this process is led in through the recess 62a of the outer shielding element 58a into the pass-through opening 30a of the plug socket unit 12a from the rear side 26a and contrary to the plug-in direction 20a (see FIG. 3). At the same time, in the further step of the method 72a, the further optical fiber 40a, which is connected to the optical fiber 24a by the connection web 42a, is led in through the further recess 70a of the outer shielding element 58a into the further pass-through opening 68a of the plug socket unit 12a, contrary to the further plug-in direction 52a (see FIG. 3). Upon introducing the optical fiber 24a into the pass-through opening 30a of the plug socket unit, the connection element 32a fashioned as the catch element 34a is latched to the mating locking element. Likewise, upon introducing the further optical fiber 40a into the further pass-through opening 68a, the further connection element 78a fashioned as the catch element 34a is latched to the further mating locking element (see FIG. 3).

    [0060] The plug 80a of the plug connector system 64a represented in FIG. 1 comprises the plug unit 18a for plugging into the corresponding plug socket unit 12a of the plug socket 10a.

    [0061] The plug 80a comprises a wiring block 82a (see FIG. 6) for receiving two conductor cores 86a, 88a of a cable 84a. In an assembled state of the plug 80a, as represented in FIG. 1, the wiring block 82a is connected to the plug unit 18a along an assembly direction 90a, which is perpendicular to the plug-in direction 20a. The wiring block 82a in the assembled state is arranged at least to a large extent inside the plug unit 18a. In the present instance, the wiring block 82a is situated entirely in the plug unit 18a.

    [0062] The plug 80a comprises a plug shielding unit 94a (see FIG. 6). In the assembled state, the plug shielding unit 94a surrounds the plug unit 18a at least for a portion.

    [0063] FIG. 6 shows a plug kit 124a for the field termination of the plug 80a. In FIG. 6, the plug 82a is represented in a disassembled state. The plug kit 122a encompasses the plug unit 18a, the wiring block 82a and a plug shielding unit 94a of the plug 80a (see FIG. 1).

    [0064] The plug unit 18a comprises a locking element 146a. The locking element 146a is provided for a locking of the plug unit 18a in the plug opening 16a of the plug socket 10a (see FIG. 1).

    [0065] The plug unit 18a has a receiving space 92a to receive the wiring block 82a. The receiving space 92a is open toward the assembly direction 90a and toward the plug-in direction 20a, in particular to the surroundings and in particular in the disassembled state of the plug 80a, as represented in FIG. 6.

    [0066] The plug shielding unit 94a comprises a plug shielding element 96a and a plug shielding flap 98a. The plug shielding flap 98a is pivotably connected to the plug shielding element 96a. The plug shielding flap 98a can pivot relative to the plug shielding element 96a about a pivot axis 100a. The pivot axis 100a runs parallel to the plug-in direction 20a.

    [0067] The plug shielding unit 94a comprises two contacting tabs 102a, 104a. The contacting tabs 102a, 104a are provided for reaching around and crimping the cable. In the assembled state of the plug 80a, the contacting tabs 102a, 104a reach around the cable 84a and are crimped with it, so that the plug shielding unit 94a makes contact with the cable 84a. Furthermore, the contacting tabs 102a, 104a in the assembled state serve for a strain relief of the cable 84a.

    [0068] The plug 80a comprises a cable kink protection 106a to protect the cable 84a against kinking. The cable kink protection 106a is at least substantially closed in a circumferential direction 108a with respect to the plug-in direction 20a. In the assembled state of the plug 80a, the cable kink protection 106a secures the connection of the wiring block 82a to the plug unit 18a as well as a connection of the plug shielding unit 94a to the plug unit 18a.

    [0069] The cable kink protection 106a has a flexible region 144a. In the assembled state, the flexible region 144a surrounds the cable 84a, so that it can move flexibly.

    [0070] The cable kink protection 106a comprises an unlocking element 148a. The unlocking element 148a is provided for unlocking the locking element 146a in a locked state of the plug unit 18a in the plug opening 16a of the plug socket 10a (see FIG. 1).

    [0071] The cable kink protection 106a comprises a connection element 110a. The connection element 110a is provided for a connection to a coding element 112a (see FIG. 7). The connection element 110a is formed as a specially shaped outer contour of the cable kink protection 106a between the actuating element 148a and the flexible region 144a.

    [0072] FIG. 7 shows the coding element 112a once in a schematic single view and once in connection with the cable kink protection 106a. The coding element 112a comprises two grab hooks 130a arranged opposite each other and in mirror sym-metry, which are separated from each other by an opening 132a. The grab hooks 130a are elastically deformable. The coding element 112a comprises two pins 134a, which engage with appropriately shaped recesses (not shown) of the connection element 110a when connected to the cable kink protection 106a.

    [0073] For a connection of the coding element 112a to the cable kink protection 106a, the two grab hooks 130a are pulled apart in opposite directions, so that the opening 132a widens to a width 136a of the cable kink protection 106a. After this, the coding element 112a is pushed onto the cable kink protection 106a from an underside. The grab hooks 130a thanks to their elasticity return to their starting position and reach around the connection element 110a of the cable kink protection 106a with form fit. In addition, the pins 134a of the coding element 112a engage with the recesses of the connection element 110a, so that a slipping of the coding element 112a in the direction of the flexible region of the cable kink protection 106a is prevented.

    [0074] FIG. 8 shows a schematic flow chart of a method for the field termination of the cable 84a with the plug 80a by means of the plug kit 124a. The method involves at least two steps of the method 126a, 128a. In one step of the method 126a, the cable 84a is connected to the wiring block 82a. The two conductor cores 86a, 88a of the cable 84a are led into the wiring block 82a and an excess of the conductor cores 86a, 88a is cut off. Next, in a further step of the method 128a, the wiring block 82a is connected to the plug unit 18a along the assembly direction 90a. The wiring block 82a is inserted into the receiving space 92a, so that the conductor cores 86a, 88a of the cable 84a are connected to the plug contacts of the plug unit 18a by means of a separable insulation displacement connection.

    [0075] In FIGS. 9 to 17, seven further exemplary embodiments of the invention are shown. The following descriptions and the drawings are limited basically to the differences between the exemplary embodiments, while regarding identically des-ignated components, in particular in regard to components with the same reference numbers, one may refer basically to the drawings and/or the description of the other exemplary embodiments, in particular FIGS. 1 to 8. In order to distin-guish the exemplary embodiments, the letter a is placed after the reference numbers of the exemplary embodiment in FIGS. 1 to 8. In the exemplary embodiments of FIGS. 9 to 17, the letter a is replaced by the letters b through h.

    [0076] FIG. 9 shows a further exemplary embodiment of a plug 80b in a schematic view. The plug 80b differs from the plug 80a of the preceding exemplary embodiment in particular in regard to a connection type. The plug 80b is designed as a MSP plug. The plug 80b comprises a plug unit 18b for plugging into a corresponding plug socket (not shown) along a plug-in direction 20b.

    [0077] The plug 80b comprises a wiring block 82b (see FIG. 10) for receiving two conductor cores 86b, 88b of a cable 84b. In an assembled state of the plug 80b, the wiring block 84b is connected to the plug unit 18b along an assembly direction 90b, which is perpendicular to the plug-in direction 20b. The wiring of the plug 80b by means of the wiring block 82b is done basically identical to the wiring of the plug 80a by means of the wiring block 82a, so that in this regard reference is made to the above description of the exemplary embodiment of FIGS. 1 to 6.

    [0078] The plug 80b comprises a plug shielding unit 94b. In the assembled state of the plug 80b, the plug shielding unit 94b surrounds the plug unit 18b at least for a portion.

    [0079] The plug shielding unit 94b comprises a latch element 114b for the locking of the plug unit 18b to a plug socket unit (not shown) and an actuating element 116b. The latch element 114b comprises a latching tab 120b. The actuating element 116b comprises an actuating tab 118b. The actuating element 116b and the latch element 120b interact at least for an unlocking.

    [0080] FIG. 10 shows a plug kit 124b for the field termination of the plug 80b in a schematic view. A field termination of the plug 80b by means of the plug kit 122b is done basically similar to the previously described field termination of the plug 80a by means of the plug kit 122a of the previous exemplary embodiment.

    [0081] FIG. 11 shows the plug unit 18b and the plug shielding unit 94b of the plug 80b in a schematic cross-sectional representation. The actuating tab 118b is oriented parallel to the plug-in direction 20b. The latching tab 120b is oriented antiparallel to the plug-in direction 20b. The actuating tab 118b contacts the latching tab 120b in form-fit and/or force-locking along a force impact area 150b. The latch element 114b comprises a latch hook 138b. In a locked state of the plug unit 18b with a corresponding plug socket (not shown), the latch hook 138b is locked to the plug socket. The latch hook 138b is connected to the latching tab 120b and arranged with an offset to the side relative to the latching tab 120b in the plug-in direction 20b.

    [0082] The plug unit 18b has a latch receiving space 122b for receiving the latch element 114b at least during the unlocking.

    [0083] The plug 80b comprises a cable kink protection 106b to protect a cable 84b (see FIG. 10). The cable kink protection 106b comprises an unlocking element 148b. For the unlocking, the actuating tab 120b is activated by pressing on the unlocking element 148b. A torque is then exerted by the actuating tab 120b on the latching tab 120b and the latching tab 120b is moved in the direction of the latch receiving space 122b. In this process, the latch hook 138b likewise moves in the direction of the latch receiving space 122b and the plug unit 18b is unlocked and can be pulled out from the plug socket contrary to the plug-in direction 20b.

    [0084] FIG. 12 shows a further exemplary embodiment of a plug 80c in a schematic cross-sectional representation through a plug unit 18c and a plug shielding unit 94c of the plug 80c. The plug 80c differs from the plug 80b of the preceding exemplary embodiment basically in regard to a latch element 114c of a plug shielding unit 94c. Otherwise, one can refer to the above descriptions of the plug 80a and 80b. The latch element 114c comprises an actuating tab 118c and a latching tab 120c. The actuating tab 118c and the latching tab 120c interact at least for an unlocking. The latch element 114c comprises a latch hook 138c. By contrast with the preceding exemplary embodiment, the latch hook 138c is not offset to the side relative to the latching tab 120c in a plug-in direction 20c, but instead extends over the entire width of the latch element 114c perpendicular to the plug-in direction 20c. The actuating tab 118c and the latching tab 120c likewise extend over the entire width of the latch element 114c perpendicular to the plug-in direction 20c, so that a force impact area 150c along which the actuating tab 118c contacts the latching tab 120c in form-fit and/or force-locking manner is greater than the force impact area 150b of the preceding exemplary embodiment. Thus, a more efficient force transmission from the actuating tab 118c to the latching tab 120c can be achieved.

    [0085] FIG. 13 shows a further exemplary embodiment of a plug 80d in a schematic cross-sectional representation through a plug unit 18d and a plug shielding unit 94d of the plug 80d. The plug 80d differs from the plugs 80b and 80c of the preceding exemplary embodiments basically in regard to a latch element 114d of a plug shielding unit 94d. Otherwise, one can refer to the above descriptions of the plugs 80a and 80b. The latch element 114d comprises an actuating tab 118d and a latching tab 120d, which interact at least for an unlocking. The latch element 114d comprises a latch hook 138d and a further latch hook 140d. Looking along a plug-in direction 20d, the latch hook 138d and the further latch hook 140d are arranged with an offset relative to each other. The latching tab 120d is arranged with the latch hook 138d and the further latch hook 140d and extends beneath the latch hook 138d and the further latch hook 140d across a gap, the width of which corre-sponds to the spacing between the latch hook 138d and the further latch hook 140d. By contrast with the previous exemplary embodiments of FIGS. 11 and 12, a more uniform force transmission is possible by means of the latch element 114d during the unlocking and thus a more reliable unlocking is achieved.

    [0086] FIG. 14 shows a further exemplary embodiment of a plug 80e in a schematic cross-sectional representation through a plug unit 18e and a plug shielding unit 94e of the plug 80e. The plug 80e differs from the plugs 80b to 80d of the preceding exemplary embodiments basically in regard to a latch element 114e of the plug shielding unit 94e. Otherwise, one can refer to the above descriptions of the plug 80a and 80b. The latch element 114e comprises an actuating tab 118e and a latching tab 120e, which interact at least for an unlocking. The latch element 114e comprises a latch hook 138e. By contrast with the exemplary embodiments of FIGS. 11 to 13, the latch hook 138e is oriented perpendicular to the latching tab 120e. The latching tab 120e and the actuating tab 118e extend across the entire width of the latch element 114e, so that a force impact area 150e is enlarged, similar to the exemplary embodiment of FIG. 12, and a force transmission from the actuating tab 118e to the latching tab 120e is especially efficient.

    [0087] FIG. 15 shows a further exemplary embodiment of a plug 80f. The plug 80f differs from the preceding exemplary embodiments solely in regard to the configuration of a coding element 112f for connection to a cable kink protection 106f of the plug 80f. The plug 80f can otherwise be configured basically according to one of the configurations described above for the plugs 80a to 80e. By contrast with the coding element 112a of the plug 80a shown in FIG. 7, the coding element 112f has two slender grab hooks 130f, which are arranged with an offset from each other along a plug-in direction 20f in a connected state to the cable kink protection 106f. In this way, a space saving can be advantageously achieved in arrangements with multiple plugs 80f arranged alongside each other and perpendicular to the plug-in direction 20f. Since the grab hooks 130f of the coding element 112f are offset from each other in the plug-in direction 20f, multiple plugs 80f can be placed more closely together, each time separated by a wall thickness of a grab hook 130f, as compared to an arrangement with multiple plugs 80f each having one coding element 112f.

    [0088] FIG. 16 shows a further exemplary embodiment of a plug 80g. The plug 80g differs from the preceding exemplary embodiments solely in regard to the configuration of a coding element 112g for connection to a cable kink protection 106g of the plug 80g. The plug 80g can otherwise be configured basically according to one of the configurations described above for the plugs 80a to 80e. By contrast with the coding elements 112a and 112f shown in FIGS. 7 and 15, the coding element 112g of the plug 80g is formed without pins. Furthermore, the coding element 112g is connected to a connection element 110g of the cable kink protection 106g not from an underside, but instead laterally. The coding element 112g comprises an upper grab hook 140g and a lower grab hook 142g, which are arranged opposite each other in regard to an opening 132g of the coding element 112g. In a connected state of the coding element 112g, the width 136g of the cable kink protection 106g is exceeded neither by the upper grab hook 140g nor by the lower grab hook 142g. Thus, a space saving can advantageously be further increased in arrangements with multiple plugs 80g alongside each other as compared to the coding element 112f of the previous exemplary embodiment.

    [0089] FIG. 17 shows a further exemplary embodiment of a plug 80h. The plug 80h differs from the preceding exemplary embodiments solely in regard to the configuration of a coding element 112h for connection to a cable kink protection 106h of the plug 80h. The plug 80h can otherwise be configured basically according to one of the configurations described above for the plugs 80a to 80e. By contrast with the coding element 112g of the preceding exemplary embodiment, an upper grab hook 140h and a lower grab hook 142h of the coding element 112h each have a lesser extension in the longitudinal direction. Thus, the coding element 112h in a state connected to the cable kink protection 106h has overall a lesser extension in the longitudinal direction parallel to a plug-in direction 20h of the plug 80h. Accord-ingly, a connection element 110h of the cable kink protection 106h for connection to the coding element 112h is also shorter in the longitudinal direction parallel to the plug-in direction 20h of the plug 80h as compared to the preceding exemplary embodiments, so that advantageously a space saving can be achieved in the plug-in direction 20h.

    REFERENCE NUMBERS

    [0090] 10 Plug socket [0091] 12 Plug socket unit [0092] 14 Front side [0093] 16 Plug opening [0094] 18 Plug unit [0095] 20 Plug-in direction [0096] 22 Fiber optic unit [0097] 24 Optical fiber [0098] 26 Rear side [0099] 28 Underside [0100] 30 Pass-through opening [0101] 32 Connection element [0102] 34 Catch element [0103] 36 Connection unit [0104] 38 Deflection region [0105] 40 Further optical fiber [0106] 42 Connection web [0107] 44 Plug socket shielding unit [0108] 46 Plug socket subunit [0109] 48 Further plug socket subunit [0110] 50 Further plug opening [0111] 52 Further plug-in direction [0112] 54 Inner shielding element [0113] 56 Shielding opening [0114] 58 Outer shielding element [0115] 60 Outer side [0116] 62 Recess [0117] 64 Plug connector system [0118] 66 Plug socket kit [0119] 68 Further pass-through opening [0120] 70 Further recess [0121] 72 First step of the method [0122] 74 Second step of the method [0123] 76 Further deflection region [0124] 78 Further connection element [0125] 80 Plug [0126] 82 Wiring block [0127] 84 Cable [0128] 86 Conductor core [0129] 88 Further conductor core [0130] 90 Assembly direction [0131] 92 Receiving space [0132] 94 Plug shielding unit [0133] 96 Plug shielding element [0134] 98 Plug shielding flap [0135] 100 Pivot axis [0136] 102 Contacting tab [0137] 104 Further contacting tab [0138] 106 Cable kink protection [0139] 108 Circumferential direction [0140] 110 Connection element [0141] 112 Coding element [0142] 114 Latch element [0143] 116 Actuating element [0144] 118 Actuating tab [0145] 120 Latching tab [0146] 122 Latch receiving space [0147] 124 Plug kit [0148] 126 Step of the method [0149] 128 Further step of the method [0150] 130 Grab hook [0151] 132 Opening [0152] 134 Pin [0153] 136 Width [0154] 138 Latch hook [0155] 140 Further latch hook [0156] 142 Lower grab hook [0157] 144 Flexible region [0158] 146 Locking element [0159] 148 Unlocking element [0160] 150 Force impact area