Comprehensive Product Summary

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### 1. Product Overview

Product Name: 2×20 Pin to DB37 Slot Adapter
Model Number: ACL-10337
Article Number: ACL-10337
Series: ACL Series – Adlink Connectivity and Interface Accessories
Manufacturer: ADLINK Technology Inc.

The ADLINK ACL-10337 is a precision-engineered interface adapter designed to provide a reliable and efficient connection between a 2×20-pin header and a DB37 (37-pin D-sub) connector. It serves as a critical accessory for ADLINK data acquisition (DAQ) cards, digital I/O modules, and other industrial control systems requiring a standardized DB37 interface. The adapter simplifies wiring, enhances signal integrity, and ensures compatibility between internal board-level connectors and external devices or breakout panels.

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### 2. Key Features

- Interface Conversion: Converts a 2×20-pin (40-pin) flat cable or header connection to a standard DB37 (37-pin) D-sub connector.
- High Compatibility: Designed for use with ADLINK DAQ cards and other compatible I/O boards featuring 2×20-pin headers.
- Robust Construction: Built with high-quality materials to ensure stable electrical performance and long-term durability in industrial environments.
- Ease of Integration: Provides a straightforward method to connect internal board signals to external equipment without custom cabling.
- Signal Integrity: Maintains consistent signal quality through precision pin mapping and minimized crosstalk.
- Compact Form Factor: Designed to fit standard PCI or PCIe slot brackets, allowing easy installation within PC chassis or test systems.
- Versatile Application: Suitable for laboratory testing, automation control, data acquisition, and signal monitoring setups.
- Plug-and-Play Design: No additional configuration required—simply connect the 2×20-pin ribbon cable and secure the DB37 connector.
- Standardized Pin Mapping: Follows ADLINK’s standard pin assignment for DB37 interfaces, ensuring compatibility with a wide range of modules and accessories.

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### 3. Technical Specifications

| Parameter | Specification |
|----------------|-------------------|
| Model | ACL-10337 |
| Connector Type (Input) | 2×20-pin (40-pin) IDC male/female header |
| Connector Type (Output) | DB37 (37-pin) D-sub female connector |
| Interface Standard | DB37 (D-subminiature) |
| Pin Count | 40-pin to 37-pin conversion |
| Mounting Type | Slot bracket (fits standard PC expansion slot) |
| Cable Compatibility | 2×20-pin flat ribbon cable (IDC type) |
| Material (Bracket) | Nickel-plated steel or aluminum alloy |
| Material (Connector Housing) | Molded thermoplastic, UL94V-0 rated |
| Contact Material | Gold-plated copper alloy contacts |
| Dimensions (Approx.) | 120 mm (L) × 20 mm (W) × 18 mm (H) |
| Weight (Approx.) | 40–60 g |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -20°C to +85°C |
| Humidity Range | 10% to 90% RH, non-condensing |
| Insulation Resistance | ≥1000 MΩ @ 500 VDC |
| Dielectric Withstand Voltage | 1000 VAC for 1 minute |
| Signal Type Supported | Digital I/O, analog signals (depending on host board) |
| Mounting Hardware | Standard slot bracket screws included |

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### 4. Functionality

The ACL-10337 functions as a signal interface adapter, bridging the internal 2×20-pin header of a data acquisition or control card to an external DB37 connector. This allows users to connect external devices, sensors, or terminal boards that utilize the DB37 interface standard.

How It Works:
1. The adapter connects internally to the host board via a 2×20-pin ribbon cable.
2. Each pin on the 2×20 header is mapped to a corresponding pin on the DB37 connector according to ADLINK’s standard pinout.
3. The DB37 connector is mounted on a slot bracket, providing an accessible external interface at the rear of the PC chassis.
4. External cables or terminal blocks can then be connected to the DB37 port for signal transmission, data acquisition, or control operations.

Use Cases and Applications:
- Data Acquisition Systems: Connects DAQ cards to external sensors, transducers, or signal conditioning modules.
- Industrial Automation: Interfaces control boards with PLCs, actuators, or relay modules.
- Testing and Measurement: Provides a convenient external connection for test benches and instrumentation setups.
- Signal Routing: Enables organized and reliable signal routing between internal PC components and external devices.
- Prototyping and Development: Ideal for engineers developing or testing I/O configurations using ADLINK hardware.

Compatibility:
- Compatible with ADLINK DAQ and DIO cards featuring 2×20-pin headers (e.g., PCI-7230, PCI-7248, PCI-7250, etc.).
- Works with standard DB37 cables and terminal boards such as ADLINK ACLD-9137 or equivalent.
- Can be used with third-party equipment that follows the same pinout and electrical specifications.

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### 5. Components & Accessories

Included Items:
- 1 × ACL-10337 2×20-pin to DB37 slot adapter
- 1 × Standard PCI/PCIe slot bracket (pre-mounted)
- 2 × Mounting screws
- 1 × Quick installation guide or pinout reference sheet

Optional Accessories (Sold Separately):
- 2×20-pin IDC flat ribbon cable (lengths: 0.3 m, 0.5 m, 1.0 m)
- DB37 male-to-male or male-to-female extension cables
- DB37 terminal boards (e.g., ADLINK ACLD-9137, ACLD-9188)
- Shielded DB37 cables for noise-sensitive applications
- Cable strain relief clips or cable management accessories

Connectors:
- Internal Connector: 2×20-pin IDC header (female or male, depending on configuration)
- External Connector: DB37 female D-sub connector mounted on bracket
- Mounting Interface: Standard PC expansion slot bracket with screw holes for chassis attachment

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### 6. Installation & Setup

Requirements:
- Compatible ADLINK or equivalent DAQ/DIO card with a 2×20-pin header
- Available expansion slot on the PC chassis for bracket mounting
- Appropriate ribbon cable (IDC 2×20-pin)

Installation Steps:
1. Power Down System: Ensure the host PC or chassis is powered off and unplugged.
2. Connect Ribbon Cable: Attach one end of the 2×20-pin ribbon cable to the DAQ card’s header, ensuring correct orientation (pin 1 alignment).
3. Attach Adapter: Connect the other end of the ribbon cable to the ACL-10337’s 2×20-pin connector.
4. Mount Bracket: Insert the adapter’s bracket into an available slot on the PC chassis and secure it with screws.
5. Connect External Devices: Plug the DB37 cable or terminal board into the external DB37 connector.
6. Power On and Verify: Power on the system and verify signal continuity or device recognition through the DAQ software or control interface.

Configuration:
- No software configuration required; the adapter is a passive interface.
- Pin mapping follows ADLINK’s standard DB37 layout—refer to the product datasheet for detailed pin assignments.
- Ensure proper grounding and shielding for high-frequency or noise-sensitive applications.

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### 7. Performance & Capabilities

Signal Transmission:
- Supports digital and analog signal lines depending on the host card’s capabilities.
- Maintains low contact resistance and high signal fidelity through gold-plated contacts.
- Suitable for low-voltage logic signals (TTL, CMOS) and analog voltage levels within the DAQ card’s specifications.

Speed and Capacity:
- Supports data rates consistent with the host DAQ card (typically up to several MHz for digital I/O).
- No active components; introduces negligible latency or signal distortion.
- Capable of handling up to 37 signal lines simultaneously.

Efficiency and Reliability:
- Passive design ensures zero power consumption.
- High mechanical durability with over 500 mating cycles.
- Secure mechanical fit prevents accidental disconnection during operation.

Limitations:
- Does not provide signal amplification or isolation—external conditioning may be required for high-voltage or noisy environments.
- Limited to the electrical characteristics of the connected DAQ card.
- Not suitable for high-current or power transmission applications.

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### 8. Standards & Compliance

Certifications and Compliance:
- RoHS Compliant: Free from hazardous substances such as lead, mercury, and cadmium.
- CE Marking: Conforms to European safety and electromagnetic compatibility standards.
- REACH Compliance: Meets EU regulations for chemical safety.
- UL94V-0 Rated Materials: Ensures flame-retardant connector housing.
- ISO 9001 Certified Manufacturing: Produced under ADLINK’s quality management system.

Industry Standards:
- DB37 D-subminiature connector standard (EIA/TIA-574)
- IDC 2×20-pin header standard (2.54 mm pitch)
- Compatible with standard PC expansion slot dimensions (ATX/PCI form factor)

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### 9. Additional Information

Warranty:
- Standard 1-year limited warranty from ADLINK Technology Inc.
- Covers manufacturing defects and workmanship under normal operating conditions.

Support:
- Technical documentation, pinout diagrams, and installation guides available on ADLINK’s official website.
- Customer support via email, phone, or online service portal.
- Firmware or driver updates not required (passive hardware).

Maintenance:
- Periodic inspection recommended to ensure connector cleanliness and secure mounting.
- Clean contacts with isopropyl alcohol if oxidation or contamination occurs.
- Avoid excessive mechanical stress on cables and connectors.

Product Lifecycle and Availability:
- Long-term availability as part of ADLINK’s industrial accessory lineup.
- Backward compatibility with legacy DAQ cards and forward compatibility with newer models using the same interface standard.

Environmental Considerations:
- Designed for use in standard laboratory and industrial environments.
- Recyclable materials used in construction.
- Compliant with ADLINK’s environmental and sustainability policies.

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### Summary

The ADLINK ACL-10337 2×20 Pin to DB37 Slot Adapter is a high-quality, passive interface accessory engineered for seamless connectivity between internal 2×20-pin headers and external DB37 connectors. It provides a robust, standardized solution for data acquisition, automation, and control applications where reliable signal interfacing is essential. With its durable construction, precise pin mapping, and compatibility with a wide range of ADLINK DAQ and DIO cards, the ACL-10337 ensures efficient integration, minimal signal loss, and long-term operational stability.

Ideal for engineers, system integrators, and technicians, this adapter simplifies system wiring, enhances accessibility, and supports a broad spectrum of industrial and laboratory applications requiring DB37 connectivity.