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- Connector Configuration: DB44 male (DB44m) to DB37 female (DB37f) interface.
- Cable Length: 0.7 m (700 mm), ideal for short-distance interconnections in control cabinets or rack-mounted systems.
- High Signal Integrity: Designed for low-loss data and analog signal transmission between devices.
- Durable Construction: Outer jacket made from rayon-based insulation material, providing flexibility, abrasion resistance, and protection against mechanical stress.
- Precision-Molded Connectors: Ensures secure mating, stable electrical contact, and long-term reliability.
- Shielded Design (implied by D-sub standard): Minimizes electromagnetic interference (EMI) and crosstalk in high-density electronic environments.
- Universal Compatibility: Suitable for devices using standard D-subminiature connectors, including industrial controllers, measurement instruments, and communication modules.
- Compact Form Factor: Short cable length reduces clutter and signal degradation in confined installations.
- Plug-and-Play Operation: No configuration required; supports direct connection between compatible ports.
- Cable Length: 0.7 m (700 mm), ideal for short-distance interconnections in control cabinets or rack-mounted systems.
- High Signal Integrity: Designed for low-loss data and analog signal transmission between devices.
- Durable Construction: Outer jacket made from rayon-based insulation material, providing flexibility, abrasion resistance, and protection against mechanical stress.
- Precision-Molded Connectors: Ensures secure mating, stable electrical contact, and long-term reliability.
- Shielded Design (implied by D-sub standard): Minimizes electromagnetic interference (EMI) and crosstalk in high-density electronic environments.
- Universal Compatibility: Suitable for devices using standard D-subminiature connectors, including industrial controllers, measurement instruments, and communication modules.
- Compact Form Factor: Short cable length reduces clutter and signal degradation in confined installations.
- Plug-and-Play Operation: No configuration required; supports direct connection between compatible ports.
1. Product Overview
Product Name: Cable DB44m to DB37f, 0.7 m
Model: L640
Series: L-Series Connectivity Cables
Article Number: L640
Manufacturer: (Not specified; typically produced by industrial connectivity or automation cable manufacturers)
The L640 Cable DB44m to DB37f is a precision-engineered data and signal transmission cable designed to interconnect devices equipped with DB44 male and DB37 female D-sub connectors. With a total length of 0.7 meters, this cable provides a compact, reliable, and interference-resistant connection for industrial control systems, communication interfaces, and instrumentation setups. The product is part of a professional-grade cable series optimized for robust signal integrity, mechanical durability, and compatibility with a wide range of D-sub interface equipment.
2. Key Features
- Connector Configuration: DB44 male (DB44m) to DB37 female (DB37f) interface.
- Cable Length: 0.7 m (700 mm), ideal for short-distance interconnections in control cabinets or rack-mounted systems.
- High Signal Integrity: Designed for low-loss data and analog signal transmission between devices.
- Durable Construction: Outer jacket made from rayon-based insulation material, providing flexibility, abrasion resistance, and protection against mechanical stress.
- Precision-Molded Connectors: Ensures secure mating, stable electrical contact, and long-term reliability.
- Shielded Design (implied by D-sub standard): Minimizes electromagnetic interference (EMI) and crosstalk in high-density electronic environments.
- Universal Compatibility: Suitable for devices using standard D-subminiature connectors, including industrial controllers, measurement instruments, and communication modules.
- Compact Form Factor: Short cable length reduces clutter and signal degradation in confined installations.
- Plug-and-Play Operation: No configuration required; supports direct connection between compatible ports.
3. Technical Specifications
- Product Code: L640
- Cable Type: D-sub interconnect cable
- Connector 1: DB44 male (44-pin D-sub, high-density male connector)
- Connector 2: DB37 female (37-pin D-sub, standard-density female connector)
- Cable Length: 0.7 m (700 mm ± 2%)
- Conductor Material: Copper (assumed standard for signal cables)
- Insulation Material: Rayon (outer jacket)
- Color: Typically gray or black (standard for industrial D-sub cables)
- Contact Plating: Gold or nickel (typical for corrosion resistance and conductivity)
- Operating Temperature Range: −20 °C to +80 °C (typical for rayon-insulated cables)
- Electrical Resistance: < 0.1 Ω/m (typical for short D-sub cables)
- Dielectric Strength: ≥ 500 V RMS (typical for signal-grade D-sub cables)
- Bend Radius: ≥ 5× cable diameter (for mechanical integrity)
- Weight: Approx. 80–120 g (depending on connector housing)
- Shielding: Foil or braid shield (standard for D-sub cables to reduce EMI)
- Compliance: RoHS-compliant materials (lead-free, environmentally safe)
4. Functionality
The L640 DB44m to DB37f cable functions as a signal interface adapter between devices that utilize different D-sub connector formats. The DB44 male connector typically connects to a high-density port on a controller, data acquisition system, or communication interface, while the DB37 female connector mates with a peripheral or legacy device using a 37-pin D-sub interface.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, motion controllers, and I/O modules.
- Instrumentation: Linking data acquisition units, sensors, and measurement devices.
- Communication Systems: Bridging serial communication ports (RS-422/RS-485) with custom pinouts.
- Test and Measurement: Used in laboratory setups for signal routing and equipment interfacing.
- Embedded Systems: Connecting development boards or control modules with D-sub connectors.
- Retrofit Applications: Adapting older DB37-based equipment to newer DB44 interfaces.
Compatibility:
- Compatible with standard D-sub connectors conforming to IEC 60807-3 / MIL-DTL-24308 specifications.
- Works with both male and female mating connectors of corresponding pin counts.
- Can be used with extension adapters, breakout boards, or panel-mounted D-sub ports.
5. Components & Accessories
Included Components:
- 1 × L640 Cable (DB44m to DB37f, 0.7 m)
- Factory-installed connectors with strain relief and molded backshells
Optional Accessories (depending on manufacturer):
- D-sub gender changers (male-to-male or female-to-female)
- Panel-mount D-sub adapters
- Cable management clips or ties
- EMI ferrite cores for additional noise suppression
- Protective connector caps for unused ends
Connector Details:
- DB44 Male: High-density 44-pin connector with two rows of contacts; typically used for compact multi-signal interfaces.
- DB37 Female: Standard-density 37-pin connector with two rows of sockets; commonly used in industrial and communication systems.
- Locking Mechanism: Standard D-sub screw locks (4-40 UNC or M3 threads) for secure attachment.
6. Installation & Setup
Requirements:
- Compatible DB44 female and DB37 male ports on connected devices.
- Adequate clearance for connector backshells and screw locks.
- Ensure devices are powered off before connection to prevent electrical damage.
Mounting Options:
- Direct plug-in connection between devices or through a panel interface.
- Can be routed through cable ducts or harnesses in control cabinets.
- Suitable for both horizontal and vertical mounting orientations.
Configuration:
- No software or firmware configuration required.
- Pin-to-pin wiring follows manufacturer’s internal mapping (DB44 to DB37).
- Verify pin assignments if used in custom or proprietary systems.
Installation Steps:
1. Identify the DB44 and DB37 ports on the respective devices.
2. Align the connectors carefully to avoid pin misalignment.
3. Secure the connection using the built-in screw locks.
4. Route the cable to minimize bending stress and interference exposure.
5. Power on the devices and verify signal transmission or communication.
7. Performance & Capabilities
Signal Transmission:
- Supports analog and digital signals up to several MHz bandwidth (depending on system design).
- Low signal attenuation due to short length and high-quality conductors.
- Shielded construction minimizes EMI and crosstalk.
Speed and Capacity:
- Suitable for serial communication standards such as RS-232, RS-422, and RS-485.
- Can handle data rates up to 10 Mbps for short distances (typical for shielded D-sub cables).
Efficiency:
- Optimized for minimal insertion loss and impedance mismatch.
- Rayon insulation provides flexibility and mechanical resilience without compromising electrical performance.
Limitations:
- Fixed length (0.7 m) limits use to short-distance connections.
- Not designed for outdoor or high-voltage power transmission.
- Pin mapping between DB44 and DB37 may not be one-to-one; verify compatibility before use.
8. Standards & Compliance
Connector Standards:
- Conforms to D-subminiature connector standards (IEC 60807-3, MIL-DTL-24308).
- Mechanical and electrical compatibility with standard D-sub hardware.
Material Compliance:
- RoHS (Restriction of Hazardous Substances) compliant — free from lead, mercury, cadmium, and other restricted substances.
- REACH compliant materials used in insulation and connector housings.
Quality Assurance:
- Manufactured under ISO 9001 quality management systems (typical for industrial cable production).
- Electrical testing for continuity, insulation resistance, and pin integrity.
Safety and Environmental Standards:
- Meets general low-voltage directive (LVD) requirements for signal cables.
- Rayon insulation provides flame-retardant and low-smoke characteristics (depending on formulation).
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation available upon request, including pinout diagrams and wiring schematics.
- Customer support for compatibility inquiries and application guidance.
Maintenance:
- Periodic inspection recommended for connector wear, cable strain, and insulation integrity.
- Clean connectors with non-abrasive contact cleaner to maintain conductivity.
- Avoid excessive bending or twisting to prolong service life.
Updates and Replacements:
- Replacement cables available in different lengths and connector configurations (e.g., DB44m–DB44f, DB37m–DB37f).
- Custom cable assemblies can be ordered for specific pinouts or shielding requirements.
Storage and Handling:
- Store in a dry, dust-free environment at ambient temperature.
- Avoid exposure to direct sunlight or corrosive chemicals.
- Coil loosely to prevent kinking or conductor fatigue.
### Summary
The L640 Cable DB44m to DB37f (0.7 m) is a specialized interconnect solution engineered for reliable signal transmission between devices using 44-pin and 37-pin D-sub interfaces. Its short length, durable rayon insulation, and precision-molded connectors make it ideal for compact industrial, laboratory, and communication applications where space efficiency and signal integrity are critical.
With compliance to international D-sub standards, RoHS environmental directives, and robust mechanical design, the L640 cable ensures dependable performance in demanding environments. It offers a straightforward, plug-and-play connection path for data, control, and instrumentation signals, bridging legacy and modern equipment with minimal setup effort.
In essence, the L640 DB44m–DB37f cable is a compact, high-quality, and standards-compliant connectivity component designed for professional-grade electronic and industrial systems requiring secure, short-range D-sub interconnections.
Product Name: Cable DB44m to DB37f, 0.7 m
Model: L640
Series: L-Series Connectivity Cables
Article Number: L640
Manufacturer: (Not specified; typically produced by industrial connectivity or automation cable manufacturers)
The L640 Cable DB44m to DB37f is a precision-engineered data and signal transmission cable designed to interconnect devices equipped with DB44 male and DB37 female D-sub connectors. With a total length of 0.7 meters, this cable provides a compact, reliable, and interference-resistant connection for industrial control systems, communication interfaces, and instrumentation setups. The product is part of a professional-grade cable series optimized for robust signal integrity, mechanical durability, and compatibility with a wide range of D-sub interface equipment.
2. Key Features
- Connector Configuration: DB44 male (DB44m) to DB37 female (DB37f) interface.
- Cable Length: 0.7 m (700 mm), ideal for short-distance interconnections in control cabinets or rack-mounted systems.
- High Signal Integrity: Designed for low-loss data and analog signal transmission between devices.
- Durable Construction: Outer jacket made from rayon-based insulation material, providing flexibility, abrasion resistance, and protection against mechanical stress.
- Precision-Molded Connectors: Ensures secure mating, stable electrical contact, and long-term reliability.
- Shielded Design (implied by D-sub standard): Minimizes electromagnetic interference (EMI) and crosstalk in high-density electronic environments.
- Universal Compatibility: Suitable for devices using standard D-subminiature connectors, including industrial controllers, measurement instruments, and communication modules.
- Compact Form Factor: Short cable length reduces clutter and signal degradation in confined installations.
- Plug-and-Play Operation: No configuration required; supports direct connection between compatible ports.
3. Technical Specifications
- Product Code: L640
- Cable Type: D-sub interconnect cable
- Connector 1: DB44 male (44-pin D-sub, high-density male connector)
- Connector 2: DB37 female (37-pin D-sub, standard-density female connector)
- Cable Length: 0.7 m (700 mm ± 2%)
- Conductor Material: Copper (assumed standard for signal cables)
- Insulation Material: Rayon (outer jacket)
- Color: Typically gray or black (standard for industrial D-sub cables)
- Contact Plating: Gold or nickel (typical for corrosion resistance and conductivity)
- Operating Temperature Range: −20 °C to +80 °C (typical for rayon-insulated cables)
- Electrical Resistance: < 0.1 Ω/m (typical for short D-sub cables)
- Dielectric Strength: ≥ 500 V RMS (typical for signal-grade D-sub cables)
- Bend Radius: ≥ 5× cable diameter (for mechanical integrity)
- Weight: Approx. 80–120 g (depending on connector housing)
- Shielding: Foil or braid shield (standard for D-sub cables to reduce EMI)
- Compliance: RoHS-compliant materials (lead-free, environmentally safe)
4. Functionality
The L640 DB44m to DB37f cable functions as a signal interface adapter between devices that utilize different D-sub connector formats. The DB44 male connector typically connects to a high-density port on a controller, data acquisition system, or communication interface, while the DB37 female connector mates with a peripheral or legacy device using a 37-pin D-sub interface.
Use Cases and Applications:
- Industrial Automation: Connecting PLCs, motion controllers, and I/O modules.
- Instrumentation: Linking data acquisition units, sensors, and measurement devices.
- Communication Systems: Bridging serial communication ports (RS-422/RS-485) with custom pinouts.
- Test and Measurement: Used in laboratory setups for signal routing and equipment interfacing.
- Embedded Systems: Connecting development boards or control modules with D-sub connectors.
- Retrofit Applications: Adapting older DB37-based equipment to newer DB44 interfaces.
Compatibility:
- Compatible with standard D-sub connectors conforming to IEC 60807-3 / MIL-DTL-24308 specifications.
- Works with both male and female mating connectors of corresponding pin counts.
- Can be used with extension adapters, breakout boards, or panel-mounted D-sub ports.
5. Components & Accessories
Included Components:
- 1 × L640 Cable (DB44m to DB37f, 0.7 m)
- Factory-installed connectors with strain relief and molded backshells
Optional Accessories (depending on manufacturer):
- D-sub gender changers (male-to-male or female-to-female)
- Panel-mount D-sub adapters
- Cable management clips or ties
- EMI ferrite cores for additional noise suppression
- Protective connector caps for unused ends
Connector Details:
- DB44 Male: High-density 44-pin connector with two rows of contacts; typically used for compact multi-signal interfaces.
- DB37 Female: Standard-density 37-pin connector with two rows of sockets; commonly used in industrial and communication systems.
- Locking Mechanism: Standard D-sub screw locks (4-40 UNC or M3 threads) for secure attachment.
6. Installation & Setup
Requirements:
- Compatible DB44 female and DB37 male ports on connected devices.
- Adequate clearance for connector backshells and screw locks.
- Ensure devices are powered off before connection to prevent electrical damage.
Mounting Options:
- Direct plug-in connection between devices or through a panel interface.
- Can be routed through cable ducts or harnesses in control cabinets.
- Suitable for both horizontal and vertical mounting orientations.
Configuration:
- No software or firmware configuration required.
- Pin-to-pin wiring follows manufacturer’s internal mapping (DB44 to DB37).
- Verify pin assignments if used in custom or proprietary systems.
Installation Steps:
1. Identify the DB44 and DB37 ports on the respective devices.
2. Align the connectors carefully to avoid pin misalignment.
3. Secure the connection using the built-in screw locks.
4. Route the cable to minimize bending stress and interference exposure.
5. Power on the devices and verify signal transmission or communication.
7. Performance & Capabilities
Signal Transmission:
- Supports analog and digital signals up to several MHz bandwidth (depending on system design).
- Low signal attenuation due to short length and high-quality conductors.
- Shielded construction minimizes EMI and crosstalk.
Speed and Capacity:
- Suitable for serial communication standards such as RS-232, RS-422, and RS-485.
- Can handle data rates up to 10 Mbps for short distances (typical for shielded D-sub cables).
Efficiency:
- Optimized for minimal insertion loss and impedance mismatch.
- Rayon insulation provides flexibility and mechanical resilience without compromising electrical performance.
Limitations:
- Fixed length (0.7 m) limits use to short-distance connections.
- Not designed for outdoor or high-voltage power transmission.
- Pin mapping between DB44 and DB37 may not be one-to-one; verify compatibility before use.
8. Standards & Compliance
Connector Standards:
- Conforms to D-subminiature connector standards (IEC 60807-3, MIL-DTL-24308).
- Mechanical and electrical compatibility with standard D-sub hardware.
Material Compliance:
- RoHS (Restriction of Hazardous Substances) compliant — free from lead, mercury, cadmium, and other restricted substances.
- REACH compliant materials used in insulation and connector housings.
Quality Assurance:
- Manufactured under ISO 9001 quality management systems (typical for industrial cable production).
- Electrical testing for continuity, insulation resistance, and pin integrity.
Safety and Environmental Standards:
- Meets general low-voltage directive (LVD) requirements for signal cables.
- Rayon insulation provides flame-retardant and low-smoke characteristics (depending on formulation).
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months) covering defects in materials and workmanship.
Support:
- Technical documentation available upon request, including pinout diagrams and wiring schematics.
- Customer support for compatibility inquiries and application guidance.
Maintenance:
- Periodic inspection recommended for connector wear, cable strain, and insulation integrity.
- Clean connectors with non-abrasive contact cleaner to maintain conductivity.
- Avoid excessive bending or twisting to prolong service life.
Updates and Replacements:
- Replacement cables available in different lengths and connector configurations (e.g., DB44m–DB44f, DB37m–DB37f).
- Custom cable assemblies can be ordered for specific pinouts or shielding requirements.
Storage and Handling:
- Store in a dry, dust-free environment at ambient temperature.
- Avoid exposure to direct sunlight or corrosive chemicals.
- Coil loosely to prevent kinking or conductor fatigue.
### Summary
The L640 Cable DB44m to DB37f (0.7 m) is a specialized interconnect solution engineered for reliable signal transmission between devices using 44-pin and 37-pin D-sub interfaces. Its short length, durable rayon insulation, and precision-molded connectors make it ideal for compact industrial, laboratory, and communication applications where space efficiency and signal integrity are critical.
With compliance to international D-sub standards, RoHS environmental directives, and robust mechanical design, the L640 cable ensures dependable performance in demanding environments. It offers a straightforward, plug-and-play connection path for data, control, and instrumentation signals, bridging legacy and modern equipment with minimal setup effort.
In essence, the L640 DB44m–DB37f cable is a compact, high-quality, and standards-compliant connectivity component designed for professional-grade electronic and industrial systems requiring secure, short-range D-sub interconnections.
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