--- product_id: 3958226 title: "StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF" brand: "startech.com" price: "Β£6.31" currency: GBP in_stock: true category: "Star Tech.Com" url: https://www.desertcart.co.uk/products/3958226-startech-com-db9-rs232-serial-null-modem-adapter-f-f store_origin: GB region: United Kingdom --- # 1 Amp Current Rating DB9 Female to Female Connectors Lifetime Warranty & Support StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF **Brand:** startech.com **Price:** Β£6.31 **Availability:** βœ… In Stock ## Summary > πŸ”— Connect Like a Pro, Stay Ahead of the Network Game! ## Quick Answers - **What is this?** StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF by startech.com - **How much does it cost?** Β£6.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/3958226-startech-com-db9-rs232-serial-null-modem-adapter-f-f) ## Best For - startech.com enthusiasts ## Why This Product - Trusted startech.com brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Compact & Lightweight:** Slim 3.23 x 0.83 x 5.91 inch design fits perfectly in your tech toolkit. - β€’ **Lifetime Peace of Mind:** Backed by StarTech.com's lifetime warranty and free technical support. - β€’ **Universal Compatibility:** Works flawlessly with modems, routers, and servers featuring DB9 serial ports. - β€’ **Plug-and-Play Simplicity:** No drivers or software neededβ€”just connect and go for hassle-free setup. - β€’ **Seamless Serial Conversion:** Transforms any straight-through DB9 cable into a null modem cable instantly. ## Overview The StarTech.com NM9FF Null Modem Adapter is a compact, reliable DB9 female-to-female serial adapter that converts straight-through cables into null modem cables. Designed for seamless compatibility with a wide range of serial devices, it supports up to 1 Amp current and comes with a lifetime warranty, making it an essential tool for network professionals who demand quick, dependable connectivity solutions. ## Description The NM9FF Null Modem Adapter features two DB9 female connectors - a cost-saving way to convert a straight through cable into a null modem cable. The DB9F Null modem cable adapter is backed by lifetime warranty and free lifetime technical support. ## Features - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - for P/N: PCI2S232485I - PCI8S950LP - Converts a straight through serial cable in to a null modem cable - Easy to use and install - Backed by StarTech.com lifetime warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000DZH4V0 | | Best Sellers Rank | #77 in Serial Adapters | | Brand | StarTech.com | | Color | white | | Compatible Devices | Modems, routers, servers with DB9 serial port | | Connector Type | RS232 | | Current Rating | 1 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (320) | | Finish | Matte | | Global Trade Identification Number | 00065030815789 | | Item Dimensions | 3.23 x 0.83 x 5.91 inches | | Item Weight | 0.03 Kilograms | | Manufacturer | StarTech.com | | Mfr Part Number | NM9FF | | Model Number | NM9FF | | Number of Items | 1 | | Number of Ports | 1 NaN | | Package Quantity | 1 | | Power Plug Type | No Plug | | Specific Uses For Product | personal | | UPC | 065030815789 | | Unit Count | 1.0 Count | | Warranty Description | Lifetime warranty | | Warranty Type | Lifetime | ## Product Details - **Color:** white - **Compatible Devices:** Modems, routers, servers with DB9 serial port - **Connector Type:** RS232 - **Item dimensions L x W x H:** 3.23 x 0.83 x 5.91 inches - **Specific Uses For Product:** personal ## Images ![StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - Image 1](https://m.media-amazon.com/images/I/41Go3kEGFnL.jpg) ![StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - Image 2](https://m.media-amazon.com/images/I/71754cM4CvL.jpg) ![StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - Image 3](https://m.media-amazon.com/images/I/81sXE0L9D2L.jpg) ![StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - Image 4](https://m.media-amazon.com/images/I/81vW8R9i+OL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - StarTech.com DB9 RS232 Serial Null Modem Adapter - F/F - Null modem adapter - DB-9 (F) to DB-9 (F) - NM9FF - StarTech.com 10' RS232 Serial Null Modem Cable - Null modem cable - DB-9 (F) to DB-9 (F) - 10 ft (SCNM9FF) - StarTech.com DB-9 (M) to DB-9 (F) Serial Adapter --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/3958226-startech-com-db9-rs232-serial-null-modem-adapter-f-f](https://www.desertcart.co.uk/products/3958226-startech-com-db9-rs232-serial-null-modem-adapter-f-f) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*