# Interface Card Exsys EX-42372IS Internal Serial

**URL:** https://aio.lv/en/product--exsys-ex-42372is--470795
**Data updated:** 2026-07-24 04:28 (EEST)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Exsys
**Manufacturer code:** EX-42372IS
**EAN:** 4718359427220
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 195.49 €
**Prices and availability valid until:** 2026-08-23 23:59
**Price without VAT (21%):** 161.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--exsys-ex-42372is--470795

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.08.2026 | free |
| Pickup points | 26.08.2026 | 1.79 EUR |
| Courier delivery to door | 26.08.2026 | 4.99 EUR |

## Summary description

The Exsys EX-42372IS is an internal serial interface card designed for PCI slots, supporting RS-422/485 serial communication. It is compatible with various Windows operating systems including Windows 2000, Windows XP Professional, and Windows Server 2008. This card operates efficiently within a temperature range of 32 to 131 °F, making it suitable for diverse environments. Ideal for reliable wired connectivity, it enhances your system's serial communication capabilities.

## Long description

The Exsys EX-42372IS Internal Serial Interface Card is designed for PCI slots and provides reliable RS-422 and RS-485 serial communication capabilities. Equipped with an Oxford chip-set, dual FIFO 16C950, 15KV ESD surge protection, and 2.5KV optical isolation, this internal expansion card ensures stable data transmission even in electrically noisy industrial environments. It supports motherboards with both 3.3V and 5V PCI-X1.0 standards and comes with an octopus cable and a low-profile bracket for flexible installation.
Advantages
This serial interface card enhances system connectivity by offering robust hardware protection features, including optical isolation and surge protection, which safeguard connected equipment from electrical spikes and interference. The inclusion of dual FIFO 16C950 buffers ensures smooth and efficient data flow without bottlenecks during intensive serial communication tasks. Compatibility with both 3.3V and 5V motherboard slots adds installation flexibility across various system configurations.
Suitable for
Connecting industrial automation machinery
Setting up point-of-sale systems and receipt printers
Integrating legacy serial devices into modern computer setups
Establishing stable RS-422 and RS-485 wired communication networks
When it may not be suitable
This internal card may not be suitable if your computer system lacks an available PCI slot or requires modern PCIe connections instead. It is also not designed for consumer peripherals that rely on USB or standard network cables rather than serial interfaces.
Key specifications
Host interface: PCI
Output interface: Serial (RS-422/485)
Protection: 15KV ESD Surge Protection and 2.5KV Optical Isolation
Controller: Oxford Chip-Set with dual FIFO 16C950
Operating temperature range: 0 to 55 °C
Operating humidity range: 5 to 95%
Compatibility: Supports 3.3V and 5V PCI-X1.0 motherboards
How to use
To install the card, power down your computer, unplug it from the wall outlet, and open the system case. Insert the card firmly into an available PCI slot, secure the bracket to the chassis, and connect the included octopus cable to the card. Close the case, power on the system, and install the appropriate drivers for your Windows operating system to begin utilizing the serial ports for your communication devices.
What to consider before purchase
Verify that your computer motherboard features an available PCI expansion slot.
Check your operating system version for driver compatibility.
Determine whether you need standard profile or low-profile bracket installation.
Usage recommendations
Always ensure the computer system is completely powered off and disconnected from the power source before installing or removing the internal interface card to prevent electrostatic discharge damage.

## Specifications

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 5 - 95 |
| Operating temperature (T-T) | 0 - 55 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-422/485 |
| Host interface | PCI |
| Output interface | Serial |

### Other features

| Feature | Value |
|---|---|
| Ports quantity | 2 |
| Connector(s) | 9-pin |
| Connectivity technology | Wired |
| Operating temperature (T-T) | 32 - 131 |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows XP Professional, Windows Vista Ultimate, Windows ME, Windows 7 Ultimate, Windows 2000 |
| Server operating systems supported | Windows Server 2008, Windows Server 2003 |

### Design

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

## FAQ

### How much does the Interface Card Exsys EX-42372IS cost, and is it available for purchase?

The price is 195.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 21.08.2026 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: host interface, internal, 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/470795/65747255_large.webp