1. Product Overview
Product Name: DB25 Round Cable 2m Male/Female
Model: CableDB25-2MF
Series: DB25 Interface Cable Series
Article Number: CableDB25-2MF
Manufacturer: [Manufacturer not specified; typically used by OEMs and system integrators for data communication and peripheral connectivity]

The CableDB25-2MF is a high-quality, shielded round cable designed for reliable data transmission between devices equipped with DB25 connectors. It features a DB25 male connector on one end and a DB25 female connector on the other, providing a straightforward extension or interconnection solution for serial, parallel, or general-purpose data interfaces. With a total length of 2 meters, this cable offers flexibility in equipment placement while maintaining signal integrity and mechanical durability.

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2. Key Features
- Connector Type: DB25 male to DB25 female (25-pin D-sub connectors)
- Cable Length: 2 meters (approx. 6.56 feet)
- Cable Design: Round, shielded cable for enhanced signal protection
- Compatibility: Suitable for RS-232 serial communication, parallel printer connections, and general-purpose data transfer applications
- Construction: Durable molded connectors with strain relief for long-term mechanical stability
- Pin Configuration: Fully wired 25-pin configuration for complete signal pass-through
- Signal Integrity: Shielded design minimizes electromagnetic interference (EMI) and radio frequency interference (RFI)
- Versatility: Can be used as an extension cable or interconnect between devices with DB25 ports
- Ease of Use: Plug-and-play design with standard D-sub connectors compatible with legacy and modern equipment
- Durability: High-quality materials ensure consistent performance in industrial, commercial, and laboratory environments

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3. Technical Specifications
- Connector A: DB25 male (25-pin D-sub, standard density)
- Connector B: DB25 female (25-pin D-sub, standard density)
- Number of Conductors: 25 (fully wired, one-to-one pin mapping)
- Cable Length: 2.0 meters (±0.05 m tolerance)
- Cable Type: Round, shielded multi-conductor cable
- Conductor Material: Tinned copper for optimal conductivity and corrosion resistance
- Insulation Material: PVC (Polyvinyl Chloride) or equivalent dielectric insulation
- Outer Jacket Material: Flexible PVC jacket, abrasion-resistant, color typically black or gray
- Shielding: Aluminum foil and/or braided copper shield for EMI/RFI protection
- Connector Shell Material: Nickel-plated steel or zinc alloy for mechanical strength and EMI shielding
- Contact Material: Gold- or tin-plated brass contacts for reliable electrical connection
- Operating Temperature Range: -20°C to +75°C (typical for PVC-jacketed cables)
- Storage Temperature Range: -40°C to +85°C
- Cable Diameter: Approximately 6–8 mm (depending on shielding and insulation thickness)
- Weight: Approx. 100–150 g (depending on material composition)
- Color: Standard black or gray (varies by manufacturer batch)

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4. Functionality
The CableDB25-2MF functions as a DB25 extension or interconnect cable, enabling communication between two devices equipped with DB25 ports. It supports RS-232 serial communication, parallel printer interfaces (IEEE 1284), and custom signal or control applications that utilize the 25-pin D-sub interface.

Typical Use Cases:
- Extending the connection between a computer’s serial port and a peripheral device (e.g., modem, CNC controller, or data acquisition unit)
- Connecting printers, plotters, or legacy parallel devices to host systems
- Linking industrial control equipment, instrumentation, or test systems using DB25 signal interfaces
- Providing a flexible connection between communication modules, adapters, or breakout boxes
- Serving as a general-purpose data cable in laboratory or production environments

Compatibility:
- Compatible with all standard DB25 connectors conforming to EIA/TIA-232, IEEE 1284, or similar pinout standards
- Works with both male and female DB25 ports on computers, routers, switches, and industrial controllers
- Backward compatible with legacy RS-232 and parallel port devices

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5. Components & Accessories
Included Items:
- 1 × DB25 round cable, 2 meters, male-to-female configuration

Optional Accessories (not included):
- DB25 gender changers (male-to-male or female-to-female adapters)
- DB25 to DB9 adapters for serial interface conversion
- Cable management accessories (ties, clips, or mounts)
- Protective connector caps for unused ports

Connectors:
- DB25 male connector with two securing screws (4-40 UNC thread)
- DB25 female connector with two threaded inserts for secure mating
- Molded strain relief at both ends to prevent cable fatigue and ensure long service life

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6. Installation & Setup
Requirements:
- Devices equipped with standard DB25 ports (male or female as applicable)
- Adequate clearance for connector housing and strain relief

Installation Steps:
1. Identify the DB25 ports on both devices to be connected.
2. Align the male connector with the female port, ensuring correct orientation of the D-sub shape.
3. Insert the connector gently and secure it using the thumbscrews to prevent accidental disconnection.
4. Verify that the cable is not under mechanical stress or sharp bending.
5. Power on the connected devices and confirm communication or signal continuity.

Mounting Options:
- Freely routed cable; can be secured using cable ties or clips for strain relief.
- Suitable for desktop, rack-mounted, or panel-mounted equipment setups.

Configuration:
- No software configuration required; the cable provides a direct electrical connection.
- For RS-232 or parallel applications, ensure that pin assignments match the intended signal configuration.

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7. Performance & Capabilities
- Signal Transmission: Supports standard RS-232 data rates up to 115.2 kbps or higher depending on system configuration and cable quality.
- Electrical Performance: Low contact resistance (<30 mΩ typical), insulation resistance >100 MΩ at 500 VDC.
- Dielectric Strength: 1000 V RMS for 1 minute between conductors and shield.
- Shielding Effectiveness: Typically >60 dB attenuation at 1 MHz to 10 MHz frequency range.
- Mechanical Durability: Connector mating cycles ≥500 insertions.
- Flexibility: Minimum bend radius approximately 10× cable diameter.
- Environmental Resistance: Resistant to moderate mechanical stress, vibration, and temperature variations typical of office or light industrial environments.
- Limitations: Not designed for high-frequency or high-voltage applications; intended for low-voltage signal transmission only.

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8. Standards & Compliance
- Connector Standard: Complies with EIA/TIA-232 and IEC 60807-3 (D-subminiature connector standard)
- Electrical Compliance: Meets RS-232 signal level requirements for serial communication
- RoHS Compliance: Typically RoHS 2 (2011/65/EU) compliant, free from hazardous substances such as lead, mercury, and cadmium
- REACH Compliance: Conforms to EU REACH Regulation (EC 1907/2006) for chemical safety
- Quality Standards: Manufactured under ISO 9001 quality management systems (typical for OEM cable production)
- Safety: Designed for low-voltage signal applications; insulation rated for typical data communication voltages (<30 V RMS)
- Environmental Standards: PVC materials meet UL 94V-0 flammability rating (depending on manufacturer specification)

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9. Additional Information
Warranty:
- Standard limited warranty (typically 1 year) covering manufacturing defects and workmanship issues.
- Warranty terms may vary depending on distributor or OEM supplier.

Support:
- Technical support available through authorized distributors or manufacturer’s service channels.
- Documentation includes pinout diagrams, application notes, and compatibility guidelines (available upon request).

Maintenance:
- No active maintenance required; periodic inspection recommended to ensure connector integrity and cable flexibility.
- Clean connectors with a dry, lint-free cloth; avoid exposure to moisture or corrosive environments.

Updates & Replacements:
- Compatible with other DB25 cables of similar specification; can be replaced or extended using standard D-sub accessories.
- Future revisions may include improved shielding, alternative jacket materials, or enhanced flexibility for specific industrial applications.

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Summary
The CableDB25-2MF (DB25 Round Cable 2m Male/Female) is a robust, shielded interconnect solution designed for reliable data communication across a wide range of devices utilizing the DB25 interface. Its fully wired 25-pin configuration ensures complete signal pass-through, making it suitable for serial, parallel, and custom signal applications. The 2-meter length provides flexibility in equipment layout without compromising signal quality.

Engineered with durable materials, molded strain relief, and EMI/RFI shielding, the CableDB25-2MF delivers consistent performance in both office and industrial environments. It adheres to international connector and environmental standards, ensuring compatibility, safety, and long-term reliability. Whether used for extending RS-232 connections, linking parallel peripherals, or integrating control systems, this cable represents a dependable and versatile connectivity solution for professional and technical applications.