StarTech.com NM9FF 9 pin D-Sub (DB-9) Null modem Adapter

When you need to link two serial devices but only have a straight-through cable, you face a costly redesign or endless searching for the right part. The null modem adapter solves this instantly - it converts a standard DB-9 straight-through cable into a working null-modem connection, letting you communicate between computers, printers or industrial equipment without extra wiring.

Usages of a 9 pin D-Sub (DB-9) null modem adapter

Ideal for setting up temporary lab rigs, connecting legacy POS terminals to modern PCs, or linking two serial consoles for troubleshooting, this adapter fits seamlessly into everyday workflows where a quick, reliable serial link is required.

Benefits of StarTech null modem adapter

• Cost saving: eliminates the need to buy a dedicated null-modem cable, using your existing straight-through cable instead.
• Simplicity: plug-and-play design means no configuration, just connect and start communicating.
• Reliability: built to StarTech quality standards, ensuring a stable link for critical data transfer.
• Lifetime support: free technical assistance for the life of the product gives you peace of mind.
• Compatibility: works with any 9-pin DB-9 serial equipment that follows RS-232 standards.

StarTech Null Modem Adapter

Choosing this adapter means you get a purpose-built solution that turns an ordinary cable into a functional null-modem link, saving you both time and money. Its robust construction and lifetime warranty make it a dependable choice for any serial-communication task.

Key Features of a 9 pin D-Sub (DB-9) null modem adapter

• Connector type: 9 pin D-Sub (DB-9) - female. Provides the standard DB-9 interface for easy matching with most serial devices.
• Connector gender: Female - both ends are female, allowing direct insertion into male DB-9 ports.
• Cable subcategory: Serial - designed specifically for RS-232 serial connections.
• I/O cable type: Null modem adapter - rewires the pins internally to create a cross-over link.
• Model: DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - identifies the exact product configuration.
• Packaged quantity: 1 - you receive a single adapter ready for immediate use.
• Warranty: Limited lifetime warranty - protects your investment for as long as you own it.
• Colour: White - a neutral colour that blends with most equipment racks.
• Brand: StarTech - recognised for reliable connectivity solutions.
• Product line: StarTech - part of a trusted range of networking and cabling accessories.

Specifications