# Null Modem Adapter StarTech.com NM9FF

**URL:** https://aio.lv/en/product--startech-nm9ff--624452
**Data updated:** 2025-12-28 21:30 (EET)
**Category:** Serial & Parallel Cables
**Manufacturer:** StarTech
**Manufacturer code:** NM9FF
**EAN:** 0065030815789
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-04 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-nm9ff--624452

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

The StarTech.com DB9 RS232 Serial Null Modem Adapter (NM9FF) features two DB-9 female connectors, allowing for direct serial communication between devices. It is designed to connect two serial devices without the need for a modem, making it ideal for data transfer and communication in various applications. The adapter is compact and easy to use, ensuring reliable connections for your serial devices.

## Long description

The StarTech.com NM9FF Null Modem Adapter provides a simple, cost-effective way to convert a straight-through DB9 serial cable into a null modem connection. Featuring two DB9 female connectors, this compact adapter enables direct RS-232 communication between two serial devices without the need for an external modem. The NM9FF is designed for reliable point-to-point data transfer and is backed by StarTech.com's lifetime warranty and free lifetime technical support.
Advantages
The adapter uses two DB9 female connectors to invert transmit and receive signals for straightforward null modem operation, reducing the need to purchase special crossover cables. Its compact inline design preserves desk and rack space and requires no external power. Manufacturer support includes a lifetime warranty and complimentary technical assistance.
Suitable for
Connecting two RS-232 serial devices directly (PC-to-PC, router-to-console, industrial equipment)
Temporary or permanent serial data transfer and debugging
Field service, laboratory setups, and legacy system integration
Key specifications
Model: NM9FF
Connector type: 2 × DB9 female (DE-9F)
Interface: RS-232 (null modem)
Brand: StarTech.com
MPN: NM9FF
EAN: 0065030815789
How to use
Insert each end of the NM9FF adapter into the DB9 male connectors of the two serial cables you want to join. The adapter will swap the necessary transmit and receive lines so the connected devices can communicate directly via RS-232. No drivers or power source are required; the adapter functions passively as a wiring crossover.
Usage recommendations
Use short, well-shielded serial cables where possible to minimize signal degradation. Confirm DB9 pinouts of your devices if they use non-standard wiring. For critical or long-distance links consider using active line drivers or higher-grade cabling.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.031 kg |
| Package weight | 36 g |
| Height | 15 mm |
| Width | 33.6 mm |
| Depth | 50 mm |
| Product colour | White |
| Package height | 125 mm |
| Package width | 90 mm |
| Master (outer) case height | 210 mm |
| Master (outer) case width | 330 mm |
| Connector 1 | DB-9 |
| Connector 2 | DB-9 |
| Connector 1 form factor | Straight |
| Connector 2 form factor | Straight |
| Connector 1 gender | Female |
| Connector 2 gender | Female |
| Master (outer) case length | 340 mm |
| Products per master (outer) case | 500 pc(s) |
| Sustainability certificates | RoHS, CE |

## FAQ

### How much does the Null Modem Adapter StarTech.com NM9FF cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 74 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 19.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Null Modem Adapter StarTech.com NM9FF?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/624452/56588426_large.webp