# Interface Card Exsys EX-42378

**URL:** https://aio.lv/en/product--exsys-ex-42378--434369
**Data updated:** 2026-07-24 04:28 (EEST)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Exsys
**Manufacturer code:** EX-42378
**EAN:** 4718359423789
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 337.49 €
**Prices and availability valid until:** 2026-08-26 23:59
**Price without VAT (21%):** 278.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--exsys-ex-42378--434369

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.08.2026 | free |
| Pickup points | 27.08.2026 | 1.79 EUR |
| Courier delivery to door | 27.08.2026 | 4.99 EUR |

## Summary description

The Exsys EX-42378 is an internal serial interface card featuring PCI host interface and supports RS-232/422/485 serial types. It has a FIFO buffer of 256 B and is compatible with various Windows operating systems including Windows 10 and Windows Server editions. With dimensions of 150 mm width and 60 mm depth, it weighs 1.2 kg, making it a compact solution for serial communication needs.

## Long description

The Interface Card Exsys EX-42378 is an internal serial interface card utilizing a PCI host interface. Designed to provide instant COM port expansion via the PCI or PCI-X bus, this I/O adapter features eight high-performance 16C1050-type UART-compatible serial ports supporting RS-232, RS-422, and RS-485 serial types. It is equipped with a 256-byte FIFO buffer to ensure reliable data transmission and features unique ATTA hardware for RS-485 Auto Transceiver turn-around support. Additionally, the card can provide +5V and +12V power via pin 9 of the male connector for POS systems.
Advantages
The Exsys EX-42378 internal serial interface card offers seamless integration with personal computers, thin clients, and servers requiring reliable serial communication. Fully PCI Plug-and-Play compatible, the card eliminates traditional configuration issues related to IRQ and I/O addresses. Its robust hardware design operates efficiently across a wide temperature range from -40 to 75 °C, making it suitable for demanding industrial and commercial environments. The inclusion of power over system capabilities adds versatility for connected peripheral hardware.
Suitable for
Expanding COM ports on desktop PCs, thin clients, and servers
Connecting RS-232, RS-422, and RS-485 serial devices
POS system setups requiring power delivery through the serial connector
Industrial automation and communication tasks in wide temperature ranges
When it may not be suitable
This internal card is not suitable for computer systems that lack an available PCI or PCI-X slot, such as modern motherboards equipped exclusively with PCIe slots. It is also not designed for non-serial peripheral connections or external USB-based serial setups without appropriate conversion hardware.
Key specifications
Host interface: PCI
Output interface: Serial (RS-232, RS-422, RS-485)
UART type: 16C1050 compatible
FIFO buffer: 256 bytes
Operating temperature range: -40 to 75 °C
Operating humidity range: 5 to 95%
Dimensions: 150 mm width, 60 mm depth
Weight: 1.2 kg
How to use
To install the Exsys EX-42378 interface card, ensure the computer system is powered off and unplugged. Open the chassis and insert the card firmly into an available PCI or PCI-X expansion slot, securing the bracket to the computer case. Close the chassis, reconnect the power, and turn on the system. The operating system will automatically detect the hardware using Plug-and-Play functionality. Install the appropriate drivers compatible with your Windows version to configure the serial ports and connect your RS-232, RS-422, or RS-485 devices as required.
What to consider before purchase
Verify that your computer system has an available PCI or PCI-X slot rather than PCIe
Check compatibility with your specific Windows operating system version
Confirm the physical dimensions fit inside your computer chassis
Determine if your peripheral devices require RS-232, RS-422, or RS-485 protocols
Usage recommendations
Ensure proper grounding precautions are taken during internal installation to protect sensitive electronic components, and verify driver compatibility prior to deploying the serial interface card in critical operating environments.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.2 kg |
| Depth | 60 mm |
| Width | 150 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 95 |
| Operating temperature (T-T) | -40 - 75 |

### System requirements

| Feature | Value |
|---|---|
| Server operating systems supported | Windows Server 2003 x64, Windows Server 2003 R2, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2008 R2 x64 |
| Linux operating systems supported | Yes |
| Windows operating systems supported | Windows 10 Education, Windows XP Professional x64, Windows XP Professional, Windows XP Home x64, Windows XP Home, Windows ME, Windows 98SE, Windows 98, Windows 8.1, Windows 8, Windows 7 Ultimate x64, Windows 7 Ultimate, Windows 7 Starter x64, Windows 7 Starter, Windows 7 Professional x64, Windows 7 Professional, Windows 7 Home Premium x64, Windows 7 Home Premium, Windows 7 Home Basic x64, Windows 7 Home Basic, Windows 7 Enterprise x64, Windows 7 Enterprise, Windows 10 Enterprise |

### Other features

| Feature | Value |
|---|---|
| Drivers included | Yes |
| Manual | Yes |

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Features

| Feature | Value |
|---|---|
| FIFO (First In, First Out) | 256 |

### Design

| Feature | Value |
|---|---|
| Internal | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232/422/485 |
| Serial ports quantity | 8 |
| Host interface | PCI |
| Output interface | Serial |

## FAQ

### How much does the Interface Card Exsys EX-42378 cost, and is it available for purchase?

The price is 337.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 24.08.2026 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 Exsys 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 Exsys 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: internal, host interface, output interface, 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/434369/65746955_large.webp