Multi-input and output combined power supply test tool

Abstract

This utility model discloses a multi-input / output power supply testing fixture, including a test circuit board, and a banana-shaped connector terminal unit, a J30J micro-pitch connector unit, and a toggle switch unit mounted on the test circuit board. The banana-shaped connector terminal unit is used to connect to external testing equipment; the J30J micro-pitch connector unit enables plug-in and plug-out connection with the multi-input / output power supply under test; and the toggle switch unit controls the enable terminal of the multi-input / output power supply. This utility model is easy to operate, simplifies the testing of multi-input / output power supplies, has low fixture wear and is easy to control, can realize electrical performance testing of multi-input / output power supplies, has a wide range of applications, and improves the testing efficiency of multi-input / output power supplies.

Description

Technical Field

[0001] This utility model relates to the field of combined power supply testing technology, and more specifically, to a testing fixture for the electrical performance of a multi-input / output combined power supply. Background Technology

[0002] With the rapid development of military electronic technology, multi-input / output power supply modules are widely used in various military fields due to their integration, high efficiency, and flexible adaptability. These power supplies need to simultaneously meet the complex operating requirements of multiple inputs and multiple outputs, and require high reliability and high conversion efficiency. To ensure that the performance indicators of the power supply modules meet design requirements and satisfy the consistency testing needs of large-scale mass production, a high-efficiency, accurate, and automated multi-input / output power supply test fixture was designed and developed to cover the verification of the module's input / output characteristics, functional testing, and facilitate rapid connection and switching with external test equipment. Utility Model Content

[0003] The purpose of this utility model is to provide a multi-input / output combined power supply test fixture to realize the connection switching and testing of multi-input / output combined power supplies with external test equipment.

[0004] To achieve the above objectives, the technical solution adopted by this utility model includes:

[0005] A multi-input / output power supply test fixture includes a test circuit board, and a banana-shaped connector terminal unit, a J30J micro-pitch connector unit, and a toggle switch unit mounted on the test circuit board. The banana-shaped connector terminal unit is used to connect to external test equipment; the J30J micro-pitch connector unit enables plug-in / plug-out connection with the multi-input / output power supply under test; and the toggle switch unit controls the enable terminal of the multi-input / output power supply.

[0006] Furthermore, a support screw is provided at each of the four corners and the middle part of the test circuit board.

[0007] Furthermore, the external testing equipment includes a DC test power supply that provides operating voltage to the multi-channel combined power supply under test, a DC electronic load that provides load power to the multi-channel combined power supply under test, and a multimeter that monitors the output voltage of the multi-channel combined power supply.

[0008] Furthermore, the test circuit board is an epoxy printed circuit board.

[0009] Furthermore, the banana socket terminal unit is composed of banana socket terminals J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25, J26, J27, J28, J29, J30, J31, J32, J33, J34, J35, J36, J37, J38, and filter capacitors C1, C2, C3, C4, C5, and C6 connected together.

[0010] Furthermore, the multi-input / output power supply J30J micro-connector unit is composed of J30J-37ZKL, J30J-66ZKL, and J30J-31ZKP, which are inserted and soldered to the epoxy printed circuit board through the wires of the connector itself.

[0011] Furthermore, the toggle switch unit is composed of enable switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 connected to the PCB fiberboard via silicone rubber flexible wires.

[0012] Compared with the prior art, the advantages of this utility model are as follows:

[0013] This utility model's testing fixture is formed by connecting banana-shaped socket terminals, J30J micro-pitch connectors, and toggle switches via epoxy printed circuit board wiring. The banana-shaped sockets enable connection to external devices, while the toggle switches control the enable terminal of the multi-input / output power supply under test. The multi-input / output power supply testing fixture connects to the power supply under test via the J30J micro-pitch connectors. The J30J micro-pitch connectors can handle high currents, offer smooth insertion and removal, are durable, have low loss, and are easy to control. This allows for the electrical performance testing of multi-input / output power supplies, simplifying the testing process, improving production and testing efficiency, and is cost-effective. Attached Figure Description

[0014] Figure 1 This is a wiring diagram of the multi-input / output combined power supply test fixture of this utility model.

[0015] The meanings of the labels in the diagram are as follows:

[0016] 1-Banana socket terminal unit; 2-J30J micro-connector unit; 3-Toggle switch unit. Detailed Implementation

[0017] like Figure 1As shown, the multi-input / output power supply test fixture provided by this utility model includes a test circuit board, and a banana-shaped connector terminal unit 1, a J30J micro-connector unit 2, and a toggle switch unit 3 mounted on the test circuit board. The banana-shaped connector terminal unit 1 is used for connecting the multi-input / output power supply under test to external test equipment; the J30J micro-connector unit 2 is used for plugging and unplugging connections with the multi-input / output power supply under test; and the toggle switch unit 3 is used for enabling control of the multi-input / output power supply under test.

[0018] Preferably, a support screw is provided at each of the four corners and the middle part of the test circuit board to support the entire test circuit board.

[0019] External testing equipment includes a DC test power supply (providing operating voltage for the multi-input / output power supply under test), a DC electronic load (providing load power for the multi-input / output power supply under test), and a digital multimeter (providing voltage monitoring for the multi-input / output power supply under test).

[0020] Example 1:

[0021] In this embodiment: the test circuit board is an epoxy printed circuit board with dimensions of 275mm×185mm×2.5mm.

[0022] The banana-shaped socket terminal unit 1 consists of 4mm banana-shaped socket terminals 1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25, J26, J27, J28, J29, J30, J31, J32, J33, J34, J35, J36, J37, and J38, and filter capacitors C1, C2, C3, C4, C5, and C6. The banana-shaped socket terminals are model JS-910B, with 19 red and 19 black terminals, and the filter capacitors are 0.47uF 50V.

[0023] J30J micro-connector unit 2 is composed of J30J-37ZKL, J30J-66ZKL, and J30J-31ZKP, which are inserted and soldered to an epoxy printed circuit board via the connector's own wires.

[0024] The toggle switch unit 3 consists of enable switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 connected to the PCB fiberboard via silicone rubber flexible wires. Model: MTS-203 / 6-pin, 2-position / Red.

[0025] The support screw uses M3 30+8 Yin-Yang spiral studs.

[0026] The connecting wires are made of UL3135 ultra-soft, 18#, (210) 0.07mm) Red silicone rubber flexible wire.

[0027] The banana-shaped connector terminal J1 connects to pins 10, 11, 12, 29, 30, and 31 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C1; the banana-shaped connector terminal J2 connects to pins 7, 8, 9, 26, 27, and 28 of the J30J-37ZKL connector, and this connection point also connects to pin 2 of the filter capacitors C1, C2, and C3; the banana-shaped connector terminal J3 connects to pins 13, 14, 15, 32, 33, and 34 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C2; the banana-shaped connector terminal J4 connects to pins 16, 17, 18, 35, 36, and 37 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C3; the banana-shaped connector terminal J5 connects to pins 6 and 25 of the J30J-37ZKL connector. Furthermore, this connection point is also connected to pin 1 of filter capacitor C4; banana socket terminal J6 is connected to pins 5 and 24 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C4; banana socket terminal J7 is connected to pins 4 and 23 of J30J-37ZKL connector, and this connection point is also connected to pin 1 of filter capacitor C5; banana socket terminal J8 is connected to pins 3 and 22 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C5; banana socket terminal J9 is connected to pins 2 and 21 of J30J-37ZKL connector, and this connection point is also connected to pin 1 of filter capacitor C6; banana socket terminal J10 is connected to pins 1 and 20 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C6; and pin 19 (NC) of J30J-37ZKL connector.

[0028] Banana socket terminal J11 connects to pins 1 and 2 of the J30J-66ZKL connector, and this connection point also connects to pins 17 and 20 of the J30J-31ZKP connector; banana socket terminal J12 connects to pins 24 and 46 of the J30J-66ZKL connector, and this connection point also connects to pins 18 and 19 of the J30J-31ZKP connector, and pin 1 of EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11; banana socket terminal J13 connects to pins 25 and 47 of the J30J-66ZKL connector, and this connection point also connects to pin 12 of the J30J-31ZKP connector; banana Socket terminal J14 connects to pins 26 and 48 of the J30J-66ZKL connector, and this connection point also connects to pin 14 of the J30J-31ZKP connector; banana socket terminal J15 connects to pins 27 and 49 of the J30J-66ZKL connector, and this connection point also connects to pin 13 of the J30J-31ZKP connector; banana socket terminal J16 connects to pins 30 and 52 of the J30J-66ZKL connector; banana socket terminal J17 connects to pins 31 and 53 of the J30J-66ZKL connector; banana socket terminal J18 connects to pins 22, 23, 44, 45, and 66 of the J30J-66ZKL connector; banana socket terminal J19 connects to pins 26 and 48 of the J30J-66ZKL connector; and banana socket terminal J19 connects to pins 26 and 48 of the J30J-66ZKL connector. Pins 14, 17, 18, 21, 37, 38, 40, 42, 43, 58, 59, 62, 64, and 65 of the J-66ZKL connector; Banana socket terminal J20 connects to pins 15, 16, 39, 60, and 61 of the J30J-66ZKL connector; Banana socket terminal J21 connects to pins 28 and 50 of the J30J-66ZKL connector; Banana socket terminal J22 connects to pins 29 and 51 of the J30J-66ZKL connector; Banana socket terminal J23 connects to pins 19, 20, 41, and 63 of the J30J-66ZKL connector; Banana socket terminal J24 connects to pins 9 and 10 of the J30J-66ZKL connector; Banana socket terminal J2... Pins 7 and 8 of the 5-pin J30J-66ZKL connector; Pins 13 and 36 of the banana socket terminal J26; Pins 11 and 12 of the banana socket terminal J27; Pins 32 and 54 of the banana socket terminal J28; Pins 33 and 55 of the banana socket terminal J29; Pins 35 and 57 of the banana socket terminal J30; Pins 34 and 56 of the banana socket terminal J31; Pins 3, 4, 5, and 6 (NC) of the J30J-66ZKL connector.

[0029] Banana socket terminal J32 connects to pin 22 of connector J30J-31ZKP; banana socket terminal J33 connects to pin 21 of connector J30J-31ZKP; banana socket terminal J34 connects to pin 23 of connector J30J-31ZKP; banana socket terminal J35 connects to pins 24 and 25 of connector J30J-31ZKP; banana socket terminal J36 connects to pins 26 and 27 of connector J30J-31ZKP; banana socket terminal J37 connects to pins 28 and 29 of connector J30J-31ZKP; banana socket terminal J38 connects to pins 30 and 31 of connector J30J-31ZKP; pin 1 of connector J30J-31ZKP connects to pin 2 of connector EN1; pin 2 of connector J30J-31ZKP connects to... Pin 2 of EN2; Pin 3 of J30J-31ZKP connector connects to pin 2 of EN3; Pin 4 of J30J-31ZKP connector connects to pin 2 of EN4; Pin 5 of J30J-31ZKP connector connects to pin 2 of EN5; Pin 6 of J30J-31ZKP connector connects to pin 2 of EN6; Pin 7 of J30J-31ZKP connector connects to pin 2 of EN7; Pin 8 of J30J-31ZKP connector connects to pin 2 of EN8; Pin 9 of J30J-31ZKP connector connects to pin 2 of EN9; Pin 10 of J30J-31ZKP connector connects to pin 2 of EN10; Pin 11 of J30J-31ZKP connector connects to pin 2 of EN11; Pins 15 and 16 of J30J-31ZKP connector are NC.

[0030] The functions of the components in this embodiment are as follows:

[0031] Banana socket terminals J1, J2, J3, J4, J5, J6, J7, J8, J9, and J10 are used to enable plug-in / plug-out connections of external DC power supply equipment, providing six input test power supplies for the multi-input / output combined power supply under test. J1, J3, J4, J5, J7, and J9 are connected to the "+" pins of the power supply equipment, corresponding to the markings 28V-VIN+1, 28V-VIN+2, 28V-VIN+3, 28V-VIN+4, 28V-VIN+5, and 28V-VIN+6 on the test fixture board. J2, J6, J8, and J10 are connected to the "-" pins of the power supply equipment, corresponding to the markings 28V-GND1, 2, 3, 28V-GND4, and 28V-GND5 on the test fixture board. The 28V-GND6 marking corresponds to the connection; among them, 28V-VIN+6 is dedicated to powering output Vo15, 28V-VIN+5 is dedicated to powering output Vo13, and 28V-VIN+4 is dedicated to powering output Vo14. The remaining 28V-VIN+1, 28V-VIN+2, and 28V-VIN+3 are the three power supplies sharing a common ground input. The three power supplies can serve as backups for each other, and any one of them can power outputs Vo1, Vo2, Vo3, Vo4, Vo5, Vo6, Vo7, Vo8, Vo9, Vo10, Vo11, Vo12, and V16 (DC power supply equipment specifications: output voltage range 0V~100V adjustable, current 0A~20A adjustable).

[0032] Input power banana socket terminals J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25, J26, J27, J28, J29, J30, J31, J32, J33, J34, J35, J36, J37, and J38 are used to enable plug-in connections of external DC electronic load devices, providing load power to the multi-input / output power supply under test. J11, J13, J15, J16, J18, J20, J21, J23, J24, J26, J28, J30, J32, J34, J35, and J37 are respectively connected to the "+" pins of the DC electronic load devices, and connected to Vo1, Vo4, Vo5, Vo6, Vo7, Vo8, and Vo9 on the test fixture board. Connect the markings o9, Vo10, Vo11, Vo12, Vo13, Vo14, Vo2, Vo3, Vo15, and Vo16 one by one. Connect J12, J14, J17, J19, J22, J25, J27, J29, J31, J33, J36, and J38 to the DC electronic load device "-" respectively. Connect these markings to the markings GND1, GND4.5, GND6, GND7, GND8.10, GND9, GND11, GND12, GND13, GND14, GND2.3, GND15, and GND16 on the test fixture board one by one, thereby providing load power to the multi-input / output power supply under test (DC electronic load device specifications: adjustable output voltage range 0V~60V, current 0A~30A, power 2000W).

[0033] J30J micro-pitch connectors J30J-37ZKL, J30J-66ZKL, and J30J-31ZKP are used to achieve plug-in and plug-out connections with the multi-input / output power supply under test. They are assembled by inserting and soldering the connector's own wires to the test circuit board.

[0034] Toggle switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 are used to control the enable of the multi-input / output power supply under test.

[0035] When the three connectors of the multi-input / output power supply under test have the same model, size, structure, spacing, and pin definitions as the connectors of the multi-input / output power supply of this invention, the test fixture of this invention can be used to quickly insert the multi-input / output power supply under test. This invention is easy to operate; the J30J micro-pitch connector can carry a large current, has a smooth insertion and removal process, and is durable. It can realize the electrical performance testing of multi-input / output power supplies, has a wide range of applications, and greatly improves the testing efficiency of multi-input / output power supplies.

[0036] The specific operation using the testing fixture of this utility model is as follows:

[0037] (1) External test equipment (including DC power supply equipment, DC electronic load equipment, and digital multimeter) are connected to the test fixture via banana plugs;

[0038] (2) Switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 are in the off position;

[0039] (3) Insert the multi-input / output power supply under test into the corresponding J30J micro-pitch connectors one by one;

[0040] (4) Turn on the power switch to provide power to the multi-input-output power supply under test. At this time, the DC electronic load device displays the output voltage of the multi-input-output power supply under test. Press the OFF button of the DC electronic load device to provide load power to the multi-input-output power supply under test. At the same time, use a digital multimeter to monitor the output voltage.

[0041] (6) When enable switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 are closed, channels 1-11 of the multi-input / output power supply under test will have no voltage output.

[0042] (7) After completing the test, turn off the power switch, set the enable switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 to the off position, unplug the J30J micro-connector of the multi-input / output power supply under test, and plug in the next multi-input / output power supply under test.

Claims

1. A multi-input / output combined power supply test fixture, comprising a test circuit board, characterized in that, It also includes a banana socket terminal unit (1), a J30J micro-connector unit (2), and a toggle switch unit (3) mounted on the test circuit board; wherein, the banana socket terminal unit (1) is used to connect to external test equipment; the J30J micro-connector unit (2) realizes plug-in connection with the multi-channel input-output combined power supply under test; and the toggle switch unit (3) is used to realize enable control of the multi-channel input-output combined power supply.

2. The multi-input / output combined power supply test fixture as described in claim 1, characterized in that, A support screw is provided at each of the four corners and the middle of the test circuit board.

3. The multi-input / output combined power supply test fixture as described in claim 1, characterized in that, The external testing equipment includes a DC test power supply that provides operating voltage to the multi-input / output power supply under test, a DC electronic load that provides load power to the multi-input / output power supply under test, and a multimeter for monitoring the voltage of the multi-input / output power supply under test.

4. The multi-input / output combined power supply test fixture as described in any one of claims 1 to 3, characterized in that, The test circuit board is an epoxy printed circuit board.

5. The multi-input / output combined power supply test fixture as described in claim 4, characterized in that, The banana socket terminal unit (1) is composed of banana socket terminals J1, J2, J3, J4, J5, J6, J7, J8, J9, J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25, J26, J27, J28, J29, J30, J31, J32, J33, J34, J35, J36, J37, J38, and filter capacitors C1, C2, C3, C4, C5, and C6, which are soldered together on an epoxy printed circuit board.

6. The multi-input / output combined power supply test fixture as described in claim 5, characterized in that, The J30J micro-connector unit (2) is composed of J30J-37ZKL, J30J-66ZKL, and J30J-31ZKP, which are inserted and soldered to an epoxy printed circuit board through the wires of the connector itself.

7. The multi-input / output combined power supply test fixture as described in claim 6, characterized in that, The toggle switch unit (3) is composed of enable switches EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11 connected to the PCB fiberboard via silicone rubber flexible wires.

8. The multi-input / output combined power supply test fixture as described in claim 7, characterized in that, The banana-shaped connector terminal J1 connects to pins 10, 11, 12, 29, 30, and 31 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C1; the banana-shaped connector terminal J2 connects to pins 7, 8, 9, 26, 27, and 28 of the J30J-37ZKL connector, and this connection point also connects to pin 2 of the filter capacitors C1, C2, and C3; the banana-shaped connector terminal J3 connects to pins 13, 14, 15, 32, 33, and 34 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C2; the banana-shaped connector terminal J4 connects to pins 16, 17, 18, 35, 36, and 37 of the J30J-37ZKL connector, and this connection point also connects to pin 1 of the filter capacitor C3; the banana-shaped connector terminal J5 connects to pins 6 and 25 of the J30J-37ZKL connector. Furthermore, this connection point is also connected to pin 1 of filter capacitor C4; banana socket terminal J6 is connected to pins 5 and 24 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C4; banana socket terminal J7 is connected to pins 4 and 23 of J30J-37ZKL connector, and this connection point is also connected to pin 1 of filter capacitor C5; banana socket terminal J8 is connected to pins 3 and 22 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C5; banana socket terminal J9 is connected to pins 2 and 21 of J30J-37ZKL connector, and this connection point is also connected to pin 1 of filter capacitor C6; banana socket terminal J10 is connected to pins 1 and 20 of J30J-37ZKL connector, and this connection point is also connected to pin 2 of filter capacitor C6; pin 19 (NC) of J30J-37ZKL connector; Banana socket terminal J11 connects to pins 1 and 2 of the J30J-66ZKL connector, and this connection point also connects to pins 17 and 20 of the J30J-31ZKP connector; banana socket terminal J12 connects to pins 24 and 46 of the J30J-66ZKL connector, and this connection point also connects to pins 18 and 19 of the J30J-31ZKP connector, and pin 1 of EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, EN10, and EN11; banana socket terminal J13 connects to pins 25 and 47 of the J30J-66ZKL connector, and this connection point also connects to pin 12 of the J30J-31ZKP connector; banana Socket terminal J14 connects to pins 26 and 48 of the J30J-66ZKL connector, and this connection point also connects to pin 14 of the J30J-31ZKP connector; banana socket terminal J15 connects to pins 27 and 49 of the J30J-66ZKL connector, and this connection point also connects to pin 13 of the J30J-31ZKP connector; banana socket terminal J16 connects to pins 30 and 52 of the J30J-66ZKL connector; banana socket terminal J17 connects to pins 31 and 53 of the J30J-66ZKL connector; banana socket terminal J18 connects to pins 22, 23, 44, 45, and 66 of the J30J-66ZKL connector; banana socket terminal J19 connects to pins 26 and 48 of the J30J-66ZKL connector; and banana socket terminal J19 connects to pins 26 and 48 of the J30J-66ZKL connector. Pins 14, 17, 18, 21, 37, 38, 40, 42, 43, 58, 59, 62, 64, and 65 of the J-66ZKL connector; Banana socket terminal J20 connects to pins 15, 16, 39, 60, and 61 of the J30J-66ZKL connector; Banana socket terminal J21 connects to pins 28 and 50 of the J30J-66ZKL connector; Banana socket terminal J22 connects to pins 29 and 51 of the J30J-66ZKL connector; Banana socket terminal J23 connects to pins 19, 20, 41, and 63 of the J30J-66ZKL connector; Banana socket terminal J24 connects to pins 9 and 10 of the J30J-66ZKL connector; Banana socket terminal J2... Pins 7 and 8 of the 5-pin J30J-66ZKL connector; Pins 13 and 36 of the banana socket terminal J26; Pins 11 and 12 of the banana socket terminal J27; Pins 32 and 54 of the banana socket terminal J28; Pins 33 and 55 of the banana socket terminal J29; Pins 35 and 57 of the banana socket terminal J30; Pins 34 and 56 of the banana socket terminal J31; Pins 3, 4, 5, and 6 (NC) of the J30J-66ZKL connector; Banana socket terminal J32 connects to pin 22 of connector J30J-31ZKP; banana socket terminal J33 connects to pin 21 of connector J30J-31ZKP; banana socket terminal J34 connects to pin 23 of connector J30J-31ZKP; banana socket terminal J35 connects to pins 24 and 25 of connector J30J-31ZKP; banana socket terminal J36 connects to pins 26 and 27 of connector J30J-31ZKP; banana socket terminal J37 connects to pins 28 and 29 of connector J30J-31ZKP. The banana-shaped connector terminal J38 connects to pins 30 and 31 of the J30J-31ZKP connector; pin 1 of the J30J-31ZKP connector connects to pin 2 of EN1; pin 2 of the J30J-31ZKP connector connects to pin 2 of EN2; pin 3 of the J30J-31ZKP connector connects to pin 2 of EN3; pin 4 of the J30J-31ZKP connector connects to pin 2 of EN4; pin 5 of the J30J-31ZKP connector connects to pin 2 of EN5; pin 6 of the J30J-31ZKP connector connects to pin 2 of EN6. The 7th pin of the J30J-31ZKP connector is connected to the 2nd pin of the EN7 connector; The 8th pin of the J30J-31ZKP connector connects to the 2nd pin of the EN8 connector; Pin 9 of the J30J-31ZKP connector is connected to pin 2 of EN9; pin 10 of the J30J-31ZKP connector is connected to pin 2 of EN10. Pin 11 of the J30J-31ZKP connector is connected to pin 2 of the EN11 connector; NC pins 15 and 16 of the J30J-31ZKP connector.

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