M375893 五、新型說明： 【新型所屬之技術領威】 [0001]本創作涉及一種連接器，尤其涉及一種可傳輸光訊號的 連接器。 【先前技術】 [0002]通用串列匯流排（Universal Serial Bus, USB)介面 作為一種標準的輸入/輸出介面，已被廣泛應用於眾多電 子設備的設計中。1994年’英特爾、康柏、數字、IBM、 微軟、NEC、Northern Telecom等7家世界著名的電腦 和通信公司聯合成立了 USB協會（USB-IF)，初步設立USB 介面規範。到目前為止，USB協會已經先後發佈了 1. 0， 1· 1，2. 0及3. 0等版本，而USB之傳輸速率也在逐漸地得 到提高。隨著電子工業的發展及技術的進步，人們仍然 在不斷努力地提高USB的傳輸速率，目前已經有一種玎傳 輸光學訊號以進一步提高傳輸速率的USB連接器，該連接 器通常包括絕緣本體、固定於絕緣本體上之2. 〇導電 端子以及用以騎光學傳輸之光顧組，該導電端子包 &對1/7 1K號端子以及位於兩差分訊號端子兩侧之電 源端子及接地端子，兩 @差分訊號端子均包括接觸部以及 可焊接至電路板上的尾部，為方便光纖模組的組裝，通 兩差刀子尾部之間的距離以供光纖模組 直接從兩尾部之間穿 牙過。然，由於兩差分訊號端子尾部 之間的距離被拉大， 使件兩差分訊號端子之電容降低， 從而使得兩差分訊號料之阻抗變高，因而無法實現阻 抗匹配，容㈣致_傳輸失真。 表單编號A0101 第4頁/共20頁 [0003] 是以，有必要提供一種具有改良結構的連接器，以克服 上述缺陷。 【新型内容】 [0004] 鑒於上述内容，有必要提供一種連接器，該連接器可改 善兩差分訊號端子之阻抗以適應訊號的傳輸。 [0005] 本創作之目的係藉以如下技術方案達成的：一種連接器 ，其包括絕緣本體、固持於絕緣本體上之導電端子、固 持於絕緣本體上以進行光訊號傳輸的光纖模組及用以收 容對接連接器的插接口，所述絕緣本體包括主體部以及 自主體部向前延伸入插接口内的舌板，所述導電端子包 括一對相鄰的差分訊號端子，所述兩差分訊號端子均包 括延伸至舌板上的第一接觸部、自第一接觸部延伸並固 持於主體部上的第一固持部、可焊接至電路板上的第一 尾部、以及連接第一固持部與第一尾部的第一連接部， 所述兩第一尾部之間之距離大於兩第一接觸部之間的距 離，所述光纖模組位於兩第一尾部之間，所述絕緣本體 後端設有位於兩第一尾部之間的接地片。 [0006] 本創作之目的亦可藉以如下技術方案達成：一種連接器 ，設有用以收容一對接連接器之插接口，所述連接器包 括：絕緣本體，係包括主體部以及自主體部向前延伸之 舌板，所述主體部上設有一前後貫穿、並與插接口相連 通之固持槽；光纖模組，係收容於固持槽内以進行光訊 號傳輸；USB2. 0導電端子，係固持於絕緣本體上，所述 導電端子包括一對差分訊號端子以及位於兩差分訊號端 子兩側之電源端子及接地端子，所述兩差分訊號端子均 表單編號A0101 第5頁/共20頁 M375893 包括延伸至舌板上之第一接觸部、位於固持槽之左右兩 側並可焊接至電路板上之第一尾部、以及連接第一接觸 部與第一尾部的第一連接部；以及接地片，固持於絕緣 本體後端並位於兩第一尾部之間。 [0007] 相較於習知技術，本創作藉由於差分訊號端子之第一尾 部之間增加設置一接地片，可以提升兩差分訊號端子之 互容，進而適當減小兩差分訊號端子之阻抗，適應訊號 的傳輸，提高連接器的高頻性能。 【實施方式】 [0008] 請參照第四圖及第五圖所示，本創作連接器100可焊接至 電路板上，其包括絕緣本體1、固持於絕緣本體1上之導 電端子2及光纖模組3、遮蓋絕緣本體1周圍之前遮蔽殼體 4及後遮蔽殼體5 〇所述連接器1〇〇設有收容對接連接器（ 未圖示）的插接口 7。 [0009] 請參照第一圖至第五圖所示，絕緣本體1包括主體部11、 自主體部11之前端向前延伸入插接口 7内之舌板12以及自 主體部11之下方一體向前延伸並與舌板12平行的支撐部 13。主體部11於舌板12之下方設有前後貫通以收容光纖 模組3之固持槽111，所述固持槽111與插接口 7相連通以 方便光纖模組3與對接連接器之間進行光訊號傳輸。所述 主體部11之後端設有複數位於固持槽111兩側、並沿上下 方向延伸的卡槽112。所述舌板12之下方凹設有複數貫穿 至主體部11後端的端子收容槽121以收容導電端子2。所 述主體部11之兩側分別設有一用以與前遮蔽殼體4相抵持 的抵持槽113。 表單编號A0101 第6頁/共20頁 [0010] 光纖模組3包括基部31以及自基部31向前延伸並固持於固 持槽111内的延伸部32。延伸部32之前端設·有複數突伸入 插接口 7内的透鏡35以及位於透鏡35兩側並向前延伸的定 位柱36，該透鏡35可與連接至電路板的光纖（未圖示）光 耦合，以提供高速光訊號傳輸。 [0011] 導電端子2之排佈符合A型USB2. 0之傳輸標準，其包括相 鄰設置之一對差分訊號端子21以及分別位於兩差分訊號 端子21兩側之電源端子22及接地端子23。兩差分訊號端 子21均包括沿前後方向延伸到舌板12之下側的第一接觸 部211、自第一接觸部211之後端向後延伸並固持於主體 部11上之端子收容槽121内的第一固持部212、可焊接至 電路板上之第一尾部214以及連接第一固持部21 2與第一 尾部214之第一連接部213。兩第一連接部21 3分別自對 應的第一固持部212後端先向下彎折，然後沿相向遠離的 方向彎折延伸。所述兩第一尾部214分別自對應的第一連 接部213向下彎折延伸，且兩第一尾部214分別收容於固 持槽111兩側之卡槽112内，藉此，兩第一尾部214之間 的距離將被拉大，並且大於兩第一接觸部211之間的距離 ，當將光纖模組3組裝於絕緣本體1上時，光纖模組3之延 伸部32可直接從兩第一尾部214之間穿過以固持於固持槽 111内，‘從而使得光纖模組3組裝方便。 [0012] 所述電源端子22包括延伸至舌板12上之第二接觸部221、 自第二接觸部221後端向後延伸並固持於主體部11上之端 子收容槽121内的第二固持部222、可焊接至電路板上的 第二尾部224以及連接第二固持部222與第二尾部224的 表單编號A0101 第7頁/共20頁 第~~連接部223。所述第二連接部223自第二固持部222 之後端先向外側彎折延伸，然後再向後方彎折延伸形成 所述第二尾部224自第二連接部223之後端向下彎折延 伸形成。所述接地端子23包括延伸至舌板12上之第三接 觸部231、自第三接觸部231後端向後延伸並固持於主體 Pll上之端子收谷槽121内的第三固持部232、可焊接至 電路板上的第三尾部234以及連接第三固持部232與第三 尾部234的第三連接部233。所述第三連接部233自第三 固持部232之後端先向外側彎折延伸，然後向後方再彎折 延伸形成。所述第三尾部234自第三連接部233之後端向 下彎折延伸形成。藉此可得，所述第二連接部223及第三 連接部233均分別自第二固持部222及第三固持部232外 側向相向遠離的方向延伸，然後向後延伸形成，從而使 第二連接部223及第三連接部233分別位於兩第一連接部 213之前方、第二尾部224及第三尾部234分別位於兩差 分訊鱿端子21之第一尾部214之外側。所述第一、第二及 第三連接部213、223、233均位於固持槽U1之上方。 [0013] 所述前遮蔽殼體4及後遮蔽殼體5包覆於絕緣本體丨外以起 到很奸地遮罩效|。支冑部13抵持於前遮蔽殼體4之下方 從而可以防止前遮蔽殼體4過度變形的作用。所述前遮蔽 殼體4包括底壁41、自底壁41兩側分別向上延伸的側壁42 及自兩側壁42上端分別相向延伸後再相互扣持於一起而 形成的頂壁43。所述頂壁43、底壁41及兩側壁^上分別 設有向前延伸的抵壓彈片411以與對接插頭（未圖示）相 扣持或抵持。所述兩侧壁42分別設有向後延伸的延伸部M375893 V. New Description: [New Technology Alliance] [0001] The present invention relates to a connector, and more particularly to a connector capable of transmitting optical signals. [Prior Art] [0002] Universal Serial Bus (USB) interface As a standard input/output interface, it has been widely used in the design of many electronic devices. In 1994, seven world-renowned computer and communication companies, including Intel, Compaq, Digital, IBM, Microsoft, NEC, and Northern Telecom, jointly established the USB Association (USB-IF) to initially establish a USB interface specification. So far, the USB Association has released versions of 1. 0, 1· 1, 2.0 and 3.0, and the transfer rate of USB is gradually improving. With the development of the electronics industry and the advancement of technology, people are still working hard to increase the transmission rate of USB. At present, there is a USB connector that transmits optical signals to further increase the transmission rate. The connector usually includes an insulating body and is fixed. 2. The conductive terminal on the insulative housing and the patronizing group for riding optical transmission, the conductive terminal package & 1/7 1K terminal and the power terminal and the grounding terminal on both sides of the two differential signal terminals, two @ The differential signal terminals include a contact portion and a tail portion that can be soldered to the circuit board. To facilitate assembly of the optical fiber module, the distance between the tail portions of the two differential blades is provided for the optical fiber module to directly pass between the two tail portions. However, since the distance between the tail portions of the two differential signal terminals is increased, the capacitance of the two differential signal terminals is lowered, so that the impedance of the two differential signal materials becomes high, so that impedance matching cannot be achieved, and the capacitance is dissipated. Form No. A0101 Page 4 of 20 [0003] Therefore, it is necessary to provide a connector having an improved structure to overcome the above drawbacks. [New Content] [0004] In view of the above, it is necessary to provide a connector that can improve the impedance of the two differential signal terminals to accommodate the transmission of signals. [0005] The purpose of the present invention is achieved by the following technical solution: a connector comprising an insulative housing, a conductive terminal held on the insulative housing, an optical fiber module fixed on the insulative housing for optical signal transmission, and An insertion interface for receiving a mating connector, the insulative housing includes a main body portion and a tongue extending from the main body portion into the insertion interface, the conductive terminal includes a pair of adjacent differential signal terminals, and the two differential signal terminals Each includes a first contact portion extending to the tongue plate, a first retaining portion extending from the first contact portion and being retained on the body portion, a first tail portion solderable to the circuit board, and a first holding portion and a first holding portion a first connecting portion of the tail portion, the distance between the two first tail portions is greater than the distance between the two first contact portions, the optical fiber module is located between the two first tail portions, and the rear end of the insulating body is provided A grounding lug between the two first tails. [0006] The purpose of the present invention can also be achieved by the following technical solution: a connector provided with a plug connector for receiving a pair of connectors, the connector comprising: an insulative body comprising a main body portion and a front portion from the main body portion An extension of the tongue plate, the main body portion is provided with a retaining groove extending through the front and rear and communicating with the insertion interface; the optical fiber module is received in the holding groove for optical signal transmission; the USB 2.0 conductive terminal is held in In the insulative housing, the conductive terminal comprises a pair of differential signal terminals and a power terminal and a ground terminal located at two sides of the two differential signal terminals, wherein the two differential signal terminals are form number A0101, page 5 / total 20 pages, M375893 includes extension to a first contact portion on the tongue plate, a first tail portion on the left and right sides of the holding groove and solderable to the circuit board, and a first connection portion connecting the first contact portion and the first tail portion; and a grounding piece fixed on The rear end of the insulating body is located between the two first tails. [0007] Compared with the prior art, the present invention can increase the mutual capacitance of the two differential signal terminals by appropriately adding a grounding strip between the first tail portions of the differential signal terminals, thereby appropriately reducing the impedance of the two differential signal terminals. Adapt to the transmission of signals and improve the high frequency performance of the connector. [0008] Referring to FIG. 4 and FIG. 5, the authoring connector 100 can be soldered to a circuit board, and includes an insulative housing 1, a conductive terminal 2 and an optical fiber mold held on the insulative housing 1. The group 3 covers the periphery of the insulative housing 1 before the shielding case 4 and the rear shielding case 5. The connector 1 is provided with a plug connector 7 for receiving a mating connector (not shown). [0009] Referring to the first to fifth figures, the insulative housing 1 includes a main body portion 11, a tongue plate 12 extending forward from the front end of the main body portion 11 into the insertion port 7, and an integral portion from the lower side of the main body portion 11. A support portion 13 that extends forward and is parallel to the tongue plate 12. The main body portion 11 is disposed at a lower side of the tongue plate 12 to receive the retaining groove 111 of the optical fiber module 3, and the retaining groove 111 communicates with the plug connector 7 to facilitate optical signals between the optical fiber module 3 and the docking connector. transmission. The rear end of the main body portion 11 is provided with a plurality of card slots 112 which are located on both sides of the holding groove 111 and extend in the up and down direction. A plurality of terminal receiving grooves 121 penetrating through the rear end of the main body portion 11 are recessed under the tongue plate 12 to receive the conductive terminals 2. The two sides of the main body portion 11 are respectively provided with a resisting groove 113 for abutting against the front shielding shell 4. Form No. A0101 Page 6 of 20 [0010] The optical fiber module 3 includes a base portion 31 and an extension portion 32 extending forward from the base portion 31 and held in the holding groove 111. The front end of the extending portion 32 is provided with a plurality of lenses 35 projecting into the insertion interface 7 and a positioning post 36 extending on both sides of the lens 35 and extending forward. The lens 35 can be connected to an optical fiber (not shown) connected to the circuit board. Optical coupling to provide high speed optical signal transmission. [0011] The arrangement of the conductive terminals 2 conforms to the transmission standard of the A-type USB 2.0, which includes one pair of differential signal terminals 21 adjacent to each other and the power terminal 22 and the ground terminal 23 respectively located at two sides of the two differential signal terminals 21. The two differential signal terminals 21 each include a first contact portion 211 extending in the front-rear direction to the lower side of the tongue plate 12, and a first extending portion extending rearward from the rear end of the first contact portion 211 and held in the terminal receiving groove 121 of the main body portion 11. A holding portion 212 is solderable to the first tail portion 214 on the circuit board and the first connecting portion 213 connecting the first holding portion 21 2 and the first tail portion 214. The two first connecting portions 21 3 are respectively bent downward from the rear end of the corresponding first holding portion 212, and then bent and extended in a direction away from each other. The first tail portions 214 are respectively bent downwardly from the corresponding first connecting portions 213, and the two first tail portions 214 are respectively received in the card slots 112 on both sides of the holding slot 111. Thereby, the two first tail portions 214 are formed. The distance between the two contact portions 211 will be larger than the distance between the two first contact portions 211. When the optical fiber module 3 is assembled on the insulative housing 1, the extension portion 32 of the optical fiber module 3 can be directly from the two first The tail portions 214 pass through to be held in the holding grooves 111, which makes the fiber optic module 3 easy to assemble. [0012] The power terminal 22 includes a second contact portion 221 extending to the tongue plate 12, a second holding portion extending rearward from the rear end of the second contact portion 221 and being retained in the terminal receiving groove 121 of the main body portion 11. 222, a second tail portion 224 solderable to the circuit board, and a form number A0101 page 7 of the second holding portion 222 and the second tail portion 224 are connected to the second connecting portion 223. The second connecting portion 223 is bent outwardly from the rear end of the second holding portion 222, and then bent backward to form the second tail portion 224 extending downward from the rear end of the second connecting portion 223. form. The grounding terminal 23 includes a third contact portion 231 extending from the tongue plate 12, a third holding portion 232 extending rearward from the rear end of the third contact portion 231 and being retained in the terminal valley groove 121 of the main body P11. The third tail portion 234 is soldered to the circuit board and the third connecting portion 233 connecting the third holding portion 232 and the third tail portion 234. The third connecting portion 233 is bent outward from the rear end of the third holding portion 232, and then bent and extended to the rear. The third tail portion 234 is formed by bending downward from the rear end of the third connecting portion 233. Therefore, the second connecting portion 223 and the third connecting portion 233 respectively extend from the outer side of the second holding portion 222 and the third holding portion 232 toward each other, and then extend rearward to form a second connection. The portion 223 and the third connecting portion 233 are respectively located in front of the first connecting portions 213 , and the second tail portions 224 and the third tail portions 234 are respectively located outside the first tail portions 214 of the two differential signal terminals 21 . The first, second and third connecting portions 213, 223, 233 are all located above the holding groove U1. [0013] The front shielding shell 4 and the rear shielding shell 5 are wrapped around the insulating body to achieve a masking effect. The support portion 13 abuts against the lower portion of the front shield case 4 so as to prevent excessive deformation of the front shield case 4. The front shielding case 4 includes a bottom wall 41, a side wall 42 extending upward from both sides of the bottom wall 41, and a top wall 43 formed by extending from the upper ends of the side walls 42 and then being mutually fastened. The top wall 43, the bottom wall 41 and the two side walls are respectively provided with a forwardly extending pressing elastic piece 411 to be latched or resisted with a mating plug (not shown). The two side walls 42 are respectively provided with extensions extending rearward
表單編號A010I 第8頁/共20頁 M375893 421、及向下延伸以安裝於電路板上的安裝腳424。所述 延伸部421上設有向内刺破以與絕緣本體1後端卡持的突 片4211。所述兩側壁42後端還分別設有抵持於絕緣本體i 上之抵持槽113内的抵持片422，及位於側壁42之後端下 部的扣持孔423以與後遮蔽殼體5相扣持。 [0014]所述後遮蔽殼體5遮蓋於絕緣本體丨的後方，包括有平板 部51、自平板部51兩側分別向前延伸的扣持部52以與前 遮蔽殼體4上之扣持孔423相扣持、自平板部51中間向前 延伸的接地片53、及連接平板部51及接地片53下端的連 接部54。所述連接部54自平板部51中間向前撕破形成。 所述接地片53與平板部51相互平行，並向前延伸至所述 兩第一尾部214之間，藉此，所述兩差分訊號端子21之互 谷隨著接地片53於它們之間的增加而增加，進而根據阻 抗計算公式中阻抗與電容成反比可以得出，於增加接地 片53後，兩差分訊號端子21之阻抗得以適當減小，從而 有效改善兩差分訊號端子21之第一尾部214之間距離拉大 後造成的阻抗突變，適應訊號的傳輸，提高本創作連接 器100之高頻傳輸性能。所述接地片53位於用以收容光纖 模組3之固持槽111之下方。於本實施例中，接地片“直 接自後遮蔽殼體5之平板部51上向前延伸形成，誠然，於 其他實施射’也可將接地片53與後歧殼體5分開成型 ，然後藉由分別設置連接部相互連接或直接連接於電路 板上’也可達到本創作的目的。$，接地片53與平板部 51沿前後方向可部分重疊設置。 _組裝時，可先將後遮蔽殼鍾5安裝後再將光纖模組3從後 表單編號A0101 M375893 [0016] [0017] [0018] [⑻ 19] [0020] [0021] [0022] 向前安裝於固持槽111内以方便組裝，光纖模組3之基部 31可部分抵壓於接地片53後方。 綜上所述，本創作符合新型專利要件，爰依法提出專利 申請。惟，以上所述者僅為本創作之較佳實施例，本創 作之範圍並不以上述實施例為限，舉凡熟習本案技藝之 人士援依本創作之精神所作之等效修飾或變化，皆應涵 蓋於以下申請專利範圍内。 【圖式簡單說明】 第一圖係本創作連接器之立體組合圖。 第二圖係本創作連接器另一角度之立體組合圖。 第三圖係第二圖之部分分解圖。 第四圖係本創作連接器之立體分解圖。 第五圖係本創作連接器另一角度之立體分解圖。 【主要元件符號說明】 連接器 100 絕緣本體 1 主體部 11 固持槽 111 « 卡槽 112 抵持槽 113 舌板 12 端子收容槽 121 支撐部 13 光纖模組 3 基部 31 延伸部 32 透鏡 35 定位柱 36 導電端子 2 差分訊號端子 21 第一接觸部 211 第一固持部 212 表單編號A0101 第10頁/共20頁 M375893 第一連接部 213 第一尾部 214 電源端子 22 第二接觸部 221 第二固持部 222 第二連接部 223 第二尾部 224 接地端子 23 第三接觸部 231 第三固持部 232 第三連接部 233 第三尾部 234 前遮蔽殼體 4 底壁 41 側壁 42 頂壁 43 抵壓彈片 411 延伸部 421 突片 4211 抵持片 422 扣持孔 423 安裝腳 424 後遮蔽殼體 5 平板部 51 扣持部 52 接地片 53 連接部 54 插接口 7 表單編號A0101 第11頁/共20頁Form No. A010I Page 8 of 20 M375893 421, and mounting feet 424 that extend downward to mount on the board. The extension portion 421 is provided with a tab 4211 which is pierced inwardly to be engaged with the rear end of the insulative housing 1. The rear ends of the two side walls 42 are respectively provided with a resisting piece 422 which is abutted in the resisting groove 113 of the insulating body i, and a retaining hole 423 located at a lower portion of the rear end of the side wall 42 to be opposite to the rear shielding case 5 Hold. [0014] The rear shielding shell 5 covers the rear of the insulative housing, and includes a flat portion 51 and a fastening portion 52 extending forward from both sides of the flat portion 51 to be latched on the front shielding shell 4 The hole 423 is fastened, the grounding piece 53 extending forward from the middle of the flat plate portion 51, and the connecting portion 54 connecting the flat plate portion 51 and the lower end of the grounding piece 53. The connecting portion 54 is formed by tearing forward from the middle of the flat plate portion 51. The grounding strip 53 and the flat plate portion 51 are parallel to each other and extend forwardly between the two first tail portions 214, whereby the mutual valleys of the two differential signal terminals 21 are along with the grounding strip 53 therebetween. Increasing and increasing, and then inversely proportional to the impedance and capacitance in the impedance calculation formula, after the grounding piece 53 is added, the impedance of the two differential signal terminals 21 is appropriately reduced, thereby effectively improving the first tail of the two differential signal terminals 21. The sudden change in impedance caused by the distance between 214 is adapted to the transmission of the signal, and the high-frequency transmission performance of the present connector 100 is improved. The grounding strip 53 is located below the holding slot 111 for receiving the optical fiber module 3. In this embodiment, the grounding piece is formed directly from the flat portion 51 of the rear shielding case 5, and it is also possible to separate the grounding piece 53 from the rear manifold housing 5, and then borrow The purpose of the present invention can also be achieved by separately connecting the connecting portions or directly connecting to the circuit board. The grounding piece 53 and the flat plate portion 51 can be partially overlapped in the front-rear direction. _ When assembling, the rear shielding shell can be firstly assembled. After the clock 5 is installed, the fiber module 3 is removed from the rear form number A0101 M375893 [0016] [0018] [(8) 19] [0020] [0021] [0022] The front side is installed in the holding groove 111 to facilitate assembly. The base portion 31 of the optical fiber module 3 can be partially pressed against the back of the grounding strip 53. In summary, the creation complies with the new patent requirements, and the patent application is filed according to law. However, the above is only the preferred embodiment of the present invention. The scope of this creation is not limited to the above-mentioned embodiments. Any equivalent modifications or changes made by those who are familiar with the skill of the present invention in accordance with the spirit of this creation shall be covered by the following patent application. The first picture is the creation The three-dimensional combination diagram of the connector is shown in the second figure. The third figure is a partial exploded view of the second figure. The fourth figure is an exploded view of the author of the author. The figure is an exploded perspective view of another angle of the connector. [Main component symbol description] Connector 100 Insulating body 1 Main body portion 11 Holding groove 111 « Card slot 112 Abutment groove 113 Tongue plate 12 Terminal receiving groove 121 Support portion 13 Optical fiber module 3 base 31 extension 32 lens 35 positioning post 36 conductive terminal 2 differential signal terminal 21 first contact portion 211 first holding portion 212 form number A0101 page 10 / total 20 pages M375893 first connection portion 213 first tail 214 power terminal 22 second contact portion 221 second holding portion 222 second connecting portion 223 second tail portion 224 grounding terminal 23 third contact portion 231 third holding portion 232 third connecting portion 233 third tail portion 234 front shielding housing 4 The bottom wall 41, the side wall 42, the top wall 43, the elastic piece 411, the extending portion 421, the protruding piece 4211, the resisting piece 422, the fastening hole 423, the mounting leg 424, the shielding case 5, the flat portion 51 Clamping part 52 Grounding lug 53 Connection part 54 Plug connector 7 Form No. A0101 Page 11 of 20