# D-sub Null Modem Adapter ACT AB9843 25 pole Male to Female

**URL:** https://aio.lv/en/product--act-ab9843--3304045
**Data updated:** 2025-12-29 10:52 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** ACT
**Manufacturer code:** AB9843
**EAN:** 8716065128246
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--act-ab9843--3304045

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.99 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The ACT D-sub Null Modem Adapter features a 25 pole male to 25 pole female connection, ideal for serial communication. Made from durable stainless steel with an orange finish, it ensures reliable performance and longevity. This adapter is perfect for connecting devices that require a null modem configuration, providing a straightforward solution for data transfer without the need for additional software or configuration.

## Long description

ACT AB9843 is a D-sub null modem adapter with a 25‑pole male to 25‑pole female connection designed for serial communication. Constructed from stainless steel with an orange finish, the adapter provides a compact hardware solution for creating a null modem link between two D-sub 25 devices without additional software configuration.
Advantages
The adapter converts a standard 25‑pin D‑sub connection to a null modem wiring arrangement, enabling direct device-to-device serial communication. Its stainless steel construction and colored finish improve durability and make the adapter easy to identify in installations. The plug-and-play design requires no software setup.
Suitable for
 Connecting two RS‑232 devices that require a null modem configuration
 Legacy equipment with 25‑pin D‑sub ports
 Industrial control systems and serial consoles
 Field testing and temporary cable reconfiguration
Key specifications
 Model: AB9843
 Type: D‑sub null modem adapter
 Connector 1: 25 pin D‑sub (male)
 Connector 2: 25 pin D‑sub (female)
 Material/finish: Stainless steel, orange finish
 Brand: ACT
 MPN: AB9843
 EAN: 8716065128246
How to use
Align the 25‑pin male connector with the corresponding female port on the target device and secure the connector screws. Plug the female end into the 25‑pin male port of the other device. Verify the physical connection and power the devices as required; no software configuration is needed to establish the null modem link.
Usage recommendations
Use the adapter in dry, clean environments and avoid excessive mechanical strain on the connector and cable. Confirm that both devices use compatible signal levels (typically RS‑232) and that a null modem wiring scheme is appropriate for the intended communication before use.

## Specifications

### Features

| Feature | Value |
|---|---|
| Product colour | Orange, Stainless steel |
| Connector 1 | 25 Pin D-sub |
| Connector 2 | 25 pin D-sub |
| Connector 1 form factor | Straight |
| Connector 2 form factor | Straight |
| Connector 1 gender | Male |
| Connector 2 gender | Female |

## FAQ

### How much does the D-sub Null Modem Adapter ACT AB9843 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 17.07.2026 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: Bank transfer. 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 ACT 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 ACT 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connector 1, connector 2, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3304045/64212932_large.webp