# Communication Interface RoGer RUD-1 RS-485 — RUD-1 module for RS‑485 integration

**URL:** https://aio.lv/en/product--roger-rud-1--11960009
**Data updated:** 2026-03-11 13:59 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** RoGer
**Manufacturer code:** RUD-1
**EAN:** 5902887029240
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 82.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 68.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--roger-rud-1--11960009

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

RoGer RUD-1 is a communication interface module that provides RS‑485 connectivity for integration with access control and security systems. The RUD-1 enables serial data exchange over RS‑485 bus for device communication and system expansion. It is used to connect controllers, readers or peripheral modules where reliable differential serial communication is required.

## Long description

RoGer RUD-1 is a communication interface module designed to provide RS-485 connectivity for integration with access control and security systems. The RUD-1 enables reliable differential serial data exchange over an RS-485 bus, allowing controllers, readers and peripheral modules to communicate and expand system topology. The module is intended for use where robust, noise-resistant serial communication and multi-drop device networks are required.
Advantages
The RUD-1 supports differential signaling for improved immunity to electrical noise, enabling stable communication over longer cable runs compared with single-ended interfaces. Its compact module design allows straightforward installation into existing system racks or enclosures. The interface facilitates multi-drop configurations, simplifying the connection of multiple devices on the same bus for centralized system management and data exchange.
Suitable for
Connecting access control controllers and card readers via RS-485
Extending security system networks with peripheral modules
Multi-drop serial communication setups in building automation
Integration of devices requiring differential serial links in noisy environments
Key specifications
Communication standard: RS-485 differential serial bus
Function: interface module for serial data exchange and system integration
Typical use environment: access control, security, and building automation systems
Topology support: multi-drop bus configurations for multiple devices
Physical form factor: compact module suitable for mounting inside enclosures or equipment racks
How to use
Install the RUD-1 module inside the system enclosure or rack and connect the RS-485 A/B terminals to the appropriate differential pair of the network cable. Terminate the bus at endpoints according to RS-485 practice and ensure correct wiring polarity across devices. Configure device addresses and communication parameters (baud rate, parity, stop bits) on the connected controllers and readers to match the system settings. Verify communication using system diagnostics and monitoring tools before completing enclosure closure.
Usage recommendations
For reliable operation, use twisted-pair shielded cable rated for differential serial links and keep cable runs within recommended RS-485 distance limits for your baud rate. Implement proper termination and biasing at bus endpoints to prevent reflections and ensure stable idle line states. Follow manufacturer guidance for grounding and surge protection when integrating the module into larger systems.

## FAQ

### How much does the RoGer RUD-1 RS-485 communication interface cost, and is it available for purchase?

The price is 82.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 06.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can RoGer RUD-1 RS-485 communication interface be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 RoGer 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 RoGer 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

## Image

https://aio.lv/img/cache/product/11960009/67405432_large.webp