StarTech. com NM9FF DB9 RS232 Serial Null Modem Adapter - Female/Female - White
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Product Features
Technical Overview
The NM9FF adapter operates as a passive serial null modem adapter, meaning it requires no external power and functions by internally crossing specific signal lines. It connects two female DB-9 ports, each configured with 9-pin layouts typical for RS232 interfaces. This configuration allows devices with female serial ports to communicate directly when a null modem connection is required.
The adapter is constructed from materials compliant with EU RoHS (Restriction of Hazardous Substances) standards, along with REACH and WEEE directives. This ensures environmental responsibility and safety in manufacturing. The white color provides a neutral, professional appearance suitable for diverse deployment scenarios.
This section brings together practical product details such as Adapter Type, Connector Type on First End, Connector on First End Details, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This adapter offers a practical and economical alternative to purchasing dedicated null modem cables. By converting existing straight-through serial cables, it reduces inventory costs and simplifies connectivity management. The durable build ensures long-term reliability in continuous-use environments.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Simplified Connectivity, Durable Construction.
Simplified Connectivity
Eliminates the need for specialized null modem cables by adapting standard serial cables, streamlining setup and reducing cable clutter.
- Converts straight-through to null modem
- Uses existing serial cables
- Reduces cable inventory needs
Durable Construction
Built with robust materials to withstand frequent plugging and unplugging, ensuring consistent performance in professional settings.
- Long-lasting connector design
- Reliable signal integrity
- Suitable for industrial use
Deployment / Use Cases
The NM9FF adapter is ideal for environments where legacy serial communication remains critical. Common applications include connecting older computers, industrial control systems, networking equipment, and point-of-sale terminals that rely on RS232 interfaces. It enables direct communication between devices that would otherwise require a null modem cable.
In IT support and maintenance scenarios, this adapter serves as a versatile tool for troubleshooting serial connections, configuring network devices via console ports, or interfacing with specialized hardware. Its passive design ensures compatibility with a wide range of serial-enabled equipment without configuration or driver installation.
This section brings together practical product details such as Adapter Type, Connector Type on First End, Connector on First End Details, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Highlights
- Converts straight-through serial cables to null modem connections
- Female DB-9 connectors on both ends for direct device linking
- Passive design requires no external power or drivers
- White color provides a neutral, professional appearance
- Compliant with EU RoHS, REACH, and WEEE environmental standards
- Backed by a 2-year limited warranty for reliability assurance
- Ideal for legacy systems, industrial controls, and console ports
- Cost-effective alternative to dedicated null modem cables
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | NM9FF |
| Brand Name | StarTech.com |
| Product Name | Serial Null Modem Adapter - F/F |
| Packaged Quantity | 1 Each |
| Product Type | Data Transfer Adapter |
| Technical Information | |
| Adapter Type | Serial |
| Connector Type on First End | DB-9 Serial - Female |
| Connector on First End Details | 1 x 9-pin DB-9 Female |
| Connector Type on Second End | DB-9 Serial - Female |
| Connector on Second End Details | 1 x 9-pin DB-9 Female |
| Physical Characteristics | |
| Color Family | White |
| Product Color | White |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What is a null modem adapter used for?
A null modem adapter, like the StarTech.com NM9FF, enables direct communication between two serial devices by crossing transmit and receive lines. It converts a standard straight-through serial cable into a null modem connection, allowing devices such as computers, routers, or industrial equipment to communicate without a dedicated null modem cable.
What type of connectors does the NM9FF adapter have?
The NM9FF adapter features female DB-9 connectors on both ends. Each connector has 9 pins configured for RS232 serial communication, making it compatible with standard male DB-9 ports commonly found on legacy hardware and networking equipment.
Does this adapter require external power or software drivers?
No, the NM9FF is a passive adapter that requires no external power, batteries, or software drivers. It operates by physically crossing internal signal lines, allowing it to work immediately with any RS232-compatible device without installation or configuration.
What environmental certifications does this adapter have?
This adapter complies with EU RoHS (Restriction of Hazardous Substances) standards, along with REACH and WEEE directives. These certifications ensure the product is manufactured without hazardous materials and meets environmental safety requirements for electronic equipment.
What is the warranty period for the NM9FF adapter?
StarTech.com provides a 2-year limited warranty for the NM9FF adapter. This warranty covers defects in materials and workmanship, offering assurance of durability and reliability for professional and industrial use cases.
Can this adapter be used with modern USB-to-serial converters?
Yes, the NM9FF adapter can be used with USB-to-serial converters that have female DB-9 ports. It allows the converter to establish a null modem connection with another serial device, making it useful for configuring legacy equipment from modern computers.
What refresh rate or brightness details are available?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
What input or connectivity options are listed?
Connectivity options include DB-9 Serial - Female, helping the product integrate into common office or home setups.
| Qty | Price | Available |
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