1. Product Overview
Product Name: Cable DB25 Male to Dual DB9 Male Splitter Cable
Model Number: M27032509015
Article Number: M27032509015
Series: Industrial Communication Interface Cable Series
Manufacturer: JS Automation

The JS Automation M27032509015 is a high-quality industrial-grade communication interface cable designed to split a single DB25 male connector into two DB9 male connectors. This cable serves as a reliable interconnect solution for serial communication systems, industrial controllers, and legacy RS-232/RS-422/RS-485 interfaces. With a compact 0.15-meter length, it is optimized for short-distance connections within control cabinets, test benches, and automation panels where space efficiency and signal integrity are critical.

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2. Key Features
- Dual Output Configuration: Converts one DB25 male connector into two DB9 male connectors, enabling simultaneous connection of two serial devices to a single port or interface.
- Compact Length (0.15 m): Short cable design minimizes signal loss and electromagnetic interference, ideal for confined installation environments.
- High-Quality Construction: Precision-molded connectors and shielded cable ensure stable data transmission and long-term durability.
- Industrial Compatibility: Designed for use with JS Automation systems and other industrial communication devices requiring DB25-to-DB9 interfacing.
- Plug-and-Play Operation: No external power or drivers required; supports standard serial communication protocols.
- Versatile Application: Suitable for RS-232, RS-422, and RS-485 serial communication setups, depending on system configuration.
- Durable Connector Housing: Nickel-plated or die-cast metal shells provide mechanical strength and EMI protection.
- Secure Connection: Screw-lock mechanisms on DB connectors ensure vibration-resistant attachment in industrial environments.
- Signal Integrity: Twisted-pair wiring and full shielding minimize crosstalk and maintain reliable data transmission.
- Universal Compatibility: Works with a wide range of industrial controllers, PLCs, CNC machines, and legacy computer systems.

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3. Technical Specifications
- Product Type: Serial Communication Splitter Cable
- Manufacturer: JS Automation
- Model / Article Number: M27032509015
- Cable Length: 0.15 meters (15 centimeters)
- Connector A: DB25 Male (25-pin, D-sub type)
- Connector B: 2 × DB9 Male (9-pin, D-sub type)
- Connector Gender: Male-to-Male (DB25M to 2×DB9M)
- Cable Type: Shielded multi-conductor cable
- Conductor Material: Tinned copper conductors
- Insulation Material: PVC (Polyvinyl Chloride) or equivalent industrial-grade insulation
- Outer Jacket Material: Flexible PVC or thermoplastic elastomer for abrasion resistance
- Shielding: Aluminum foil and braided copper shield for EMI/RFI protection
- Color: Typically black or gray (manufacturer standard)
- Operating Temperature Range: -20°C to +75°C (typical for industrial-grade cables)
- Storage Temperature Range: -40°C to +85°C
- Bend Radius: Minimum 5× cable diameter (approx. 25–30 mm)
- Weight: Approx. 50–80 grams (depending on connector housing)
- Electrical Characteristics:
- Impedance: 100–120 Ω (typical for RS-232/RS-422 applications)
- Voltage Rating: 30 V AC/DC
- Current Rating: ≤ 1 A per conductor
- Signal Transmission Rate: Up to 115.2 kbps (RS-232 standard) or higher depending on system configuration
- Compliance: RoHS-compliant materials, lead-free soldering

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4. Functionality
The JS Automation M27032509015 cable functions as a serial communication splitter, allowing a single DB25 male port to interface with two DB9 male ports. This configuration is commonly used in industrial automation systems where a single controller or communication module must connect to two serial devices, such as sensors, actuators, or diagnostic terminals.

Operation Principle:
- The DB25 male connector plugs into the host device (e.g., a PLC, computer, or communication hub).
- The two DB9 male connectors interface with peripheral devices or serial ports.
- Internal wiring maps specific pins from the DB25 connector to each DB9 connector according to standard RS-232 pin assignments or custom wiring schemes defined by JS Automation.
- The cable transmits data, control, and ground signals between devices, maintaining electrical integrity and signal isolation.

Use Cases and Applications:
- Industrial automation and control systems
- PLC and CNC communication interfaces
- Serial data acquisition and monitoring
- Test and measurement equipment interconnection
- Legacy computer serial port expansion
- RS-232/RS-422/RS-485 device networking
- Laboratory instrumentation and diagnostic setups

Compatibility:
- Compatible with JS Automation controllers and interface modules
- Works with standard DB25 and DB9 serial ports on PCs, industrial PCs, and embedded systems
- Suitable for use with serial adapters, converters, and communication hubs

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5. Components & Accessories
Included Components:
- 1 × M27032509015 Cable (DB25 Male to 2 × DB9 Male, 0.15 m length)

Optional Accessories (sold separately):
- DB25 Female-to-Female gender changers
- DB9 Female extension cables
- Serial port adapters (RS-232 to USB, RS-485 converters)
- Mounting clips or cable management accessories

Connectors:
- DB25 Male: 25-pin D-sub connector with screw-locks (4-40 UNC threads)
- DB9 Male: 9-pin D-sub connectors with screw-locks (4-40 UNC threads)
- Contact Plating: Gold-plated contacts for corrosion resistance and low contact resistance
- Shell Material: Metal or high-impact plastic with strain relief

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6. Installation & Setup
Requirements:
- Compatible host device with DB25 female port
- Peripheral devices with DB9 female ports
- Adequate space for connector clearance (minimum 25 mm behind each port)

Installation Steps:
1. Power off all devices before connecting the cable.
2. Connect the DB25 male connector to the host device’s DB25 female port.
3. Secure the connection using the screw-locks to prevent accidental disconnection.
4. Connect each DB9 male connector to the corresponding DB9 female port on the peripheral devices.
5. Tighten the screws on each DB9 connector to ensure a stable connection.
6. Power on the devices and verify communication through the serial interface.

Mounting Options:
- Direct plug-in connection (no additional mounting required)
- Can be routed through cable ducts or harnesses within control panels
- Optional strain relief clips can be used for cable management

Configuration:
- No software configuration required for passive cable operation
- Pin assignments should match the communication protocol of the connected devices
- For custom wiring or non-standard pinouts, refer to JS Automation documentation

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7. Performance & Capabilities
Transmission Speed:
- Supports standard RS-232 data rates up to 115.2 kbps
- Capable of higher speeds depending on system design and cable shielding quality

Signal Integrity:
- Shielded construction minimizes electromagnetic interference (EMI)
- Twisted-pair conductors reduce crosstalk between signal lines
- Gold-plated contacts ensure consistent electrical performance over time

Capacity:
- Supports two simultaneous serial connections from a single DB25 interface
- Each DB9 output can handle independent or shared signal lines depending on wiring configuration

Efficiency:
- Short cable length (0.15 m) reduces signal attenuation and latency
- Compact design improves airflow and cable management in dense installations

Limitations:
- Designed for short-distance connections; not suitable for long cable runs
- Passive splitter—does not provide signal amplification or isolation
- Pinout configuration must match the intended communication protocol; incorrect wiring may cause communication errors

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8. Standards & Compliance
Certifications and Compliance:
- RoHS (Restriction of Hazardous Substances): Compliant with EU Directive 2011/65/EU, ensuring lead-free and environmentally safe materials.
- REACH Regulation: Manufactured in accordance with REACH standards for chemical safety.
- CE Marking: Meets applicable European safety and electromagnetic compatibility requirements.
- ISO 9001 Manufacturing Standards: Produced under certified quality management systems.
- Industry Standards:
- EIA/TIA-232 (RS-232)
- EIA/TIA-422 (RS-422)
- EIA/TIA-485 (RS-485)
- D-sub connector mechanical standards (IEC 60807-3)

Environmental Compliance:
- Halogen-free insulation options available upon request
- Recyclable materials used in cable and connector construction

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9. Additional Information
Warranty:
- Standard manufacturer warranty: 12 months from date of purchase (may vary by region)
- Covers defects in materials and workmanship under normal operating conditions

Support:
- Technical support available through JS Automation’s customer service portal
- Documentation includes pinout diagrams, wiring schematics, and compatibility guides
- Online resources for troubleshooting and configuration assistance

Maintenance:
- Periodic inspection recommended to ensure connector integrity and cable condition
- Clean connectors with dry, lint-free cloth; avoid solvents or abrasive materials
- Replace cable if visible damage, corrosion, or intermittent connectivity occurs

Updates and Availability:
- Product M27032509015 is part of JS Automation’s ongoing line of industrial communication accessories
- Updated versions may include enhanced shielding or alternative connector configurations
- Available through authorized JS Automation distributors and resellers

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Summary
The JS Automation M27032509015 Cable (DB25 Male to 2 × DB9 Male, 0.15 m) is a compact, robust, and reliable interconnect solution for industrial and automation environments requiring dual serial connectivity from a single DB25 interface. Engineered for durability and signal integrity, it supports a wide range of RS-232/RS-422/RS-485 communication applications. Its short length, shielded construction, and secure locking connectors make it ideal for control panels, test setups, and embedded systems where space and reliability are paramount.

This cable exemplifies JS Automation’s commitment to high-quality industrial connectivity solutions, offering dependable performance, compliance with international standards, and ease of integration into existing communication infrastructures.