---
title: "MCI-3 | Communication Interface - Roger"
description: "Roger - lider branży zabezpieczeń oferujący systemy kontroli dostępu, rejestracji czasu pracy, rejestracji pracy wartowników. Zapraszamy!"
url: "https://www.roger.pl/en/products/racs-5-access-control-system/interfaces/mci-3-communication-interface"
date: "2026-07-04T15:35:42+00:00"
language: "en-GB"
---

#  MCI-3  Communication Interface

The interface enables the connection of a reader that uses OSDP protocol to the MC16 series access controller (RACS 5 system).

 ![](https://www.roger.pl/templates/yootheme/cache/27/mci-3-galeria-279f2fcc.png)

 ![](https://www.roger.pl/templates/yootheme/cache/22/mci-3-bok-galeria-22d34625.png)

 ![](https://www.roger.pl/templates/yootheme/cache/f9/mci-3-din-galeria-f95bb39c.png)

 ![](https://www.roger.pl/templates/yootheme/cache/be/mci-3-din-bok-galeria-be7421cc.png)

 ![](https://www.roger.pl/templates/yootheme/cache/60/mci-5-rys-galeria-60718c36.png)

 [](#)

 [](#)

- [![](https://www.roger.pl/templates/yootheme/cache/e3/mci-3-galeria-e3d6044c.png)](#)
- [![](https://www.roger.pl/templates/yootheme/cache/8e/mci-3-bok-galeria-8eb03233.png)](#)

- [![](https://www.roger.pl/templates/yootheme/cache/9f/mci-3-din-galeria-9f631a83.png)](#)
- [![](https://www.roger.pl/templates/yootheme/cache/1b/mci-3-din-bok-galeria-1b79e1b5.png)](#)

- [![](https://www.roger.pl/templates/yootheme/cache/99/mci-5-rys-galeria-991dd258.png)](#)

 [ ](https://www.roger.pl/index.php?option=com_content&view=category&id=112&lang=en-GB)

 MCI-3

- [About](#o-produkcie)
- [Versions](#dostepne-wersje)

- [Download](#do-pobrania)
- [Related products](#powiazane)

- [Quick links](#linki)

###  About

The interface enables the connection of a reader that uses OSDP protocol to the MC16 series access controller (RACS 5 system).

The interface works as a communication converter from the OSDP v2 protocol to the RS485 EPSO 3 (Roger) data transmission standard.

---

###  Features

- 12 VDC power supply
- RS485 interface to a controller
- OSDP v2 interface to a reader
- 3 LEDs
- plastic enclosure
- dimensions: 36.0 x 55.0 x 47.0 mm (height x width x depth)
- CE mark

---

###  Versions

[![MCI-3 Communication Interface](https://www.roger.pl/images/kontrola-dostepu/system-kontroli-dostepu-racs-5/interfejsy/mci-3/mci-3-bok-galeria.png "MCI-3 Communication Interface")](https://www.roger.pl/images/kontrola-dostepu/system-kontroli-dostepu-racs-5/interfejsy/mci-3/mci-3-bok-galeria.png)

**MCI-3**
The interface enables the connection of readers that use OSDP protocol to MC16 series controllers (RACS 5 system); 12 VDC power supply

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[WHERE TO BUY](https://www.roger.pl/index.php?option=com_storelocator&view=map&Itemid=525&lang=en)

---

###  Download

[ pdfMCI-3/MCI-3-LCD Installation Manual(313 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=3486-mci-3-mci-3-lcd-installation-manual&category_slug=manuals&Itemid=544&lang=en)

[ pdfMCI-3 Data Sheet(183 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=3492-mci-3-data-sheet&category_slug=data-sheets&Itemid=646&lang=en)

[ pdfMCI-3/MCI-3-LCD Declaration of Conformity EC(130 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=3484-mci-3-mci-3-lcd-declaration-of-conformity-ec&category_slug=certificates&Itemid=544&lang=en)

[ ArchiveMCI-3 Firmware v1.0.16.40(58 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=3923-mci-3-firmware-1&category_slug=firmware&Itemid=651&lang=en)

---

###  Related products

 [ ![](https://www.roger.pl/templates/yootheme/cache/61/mc16-intro-614f01ac.png)

###  Access Controllers

of the RACS 5 System

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=696:access-controllers&catid=104&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/b7/mct80m-ble-intro-b7ee3c9b.png)

###  OSR80M-BLE

Proximity Reader

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=813:osr80m-ble-proximity-reader&catid=108&lang=en-GB)

---

###  Quick links

 [ ![](https://www.roger.pl/images/ikony-oferta/wsparcie%201.svg)###  Inquiry

Więcej

 ](mailto:support@roger.pl)

 [ ![](https://www.roger.pl/images/ikony-oferta/gdzie-kupic.svg)###  WHERE TO BUY

Więcej

 ](https://www.roger.pl/index.php?Itemid=525)

 [ ![](https://www.roger.pl/images/ikony-oferta/cennik.svg)###  Download

Więcej

 ](https://www.roger.pl/index.php?Itemid=544)

 [ ![](https://www.roger.pl/images/ikony-oferta/kontakt.svg)###  Contact us

Więcej

 ](https://www.roger.pl/index.php?Itemid=523)

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