---
title: "UT-4DR | Interface RS485 to Ethernet - 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-4-access-control-system/communication-interfaces/ut-4dr-interface-rs485-to-ethernet"
date: "2026-07-05T10:16:40+00:00"
language: "en-GB"
---

#  UT-4DR  Interface RS485 to Ethernet

UT-4DR interface is a device enabling communication with RACS 4 access control system through 10/100 BaseT Ethernet network.

 ![UT-4DR](https://www.roger.pl/templates/yootheme/cache/6f/ut-4dr-galeria-6f5d1531.png)UT-4DR

 ![UT-4DR](https://www.roger.pl/templates/yootheme/cache/b4/ut-4dr-bok-galeria-b48f8d51.png)UT-4DR

 ![UT-4DR DIMENSIONS](https://www.roger.pl/templates/yootheme/cache/82/ut-4dr-rys-galeria-82321606.png)UT-4DR DIMENSIONS

 [](#)

 [](#)

- [![UT-4DR](https://www.roger.pl/templates/yootheme/cache/c1/ut-4dr-galeria-c1b2ce91.png)](#)
- [![UT-4DR](https://www.roger.pl/templates/yootheme/cache/58/ut-4dr-bok-galeria-5820b680.png)](#)

- [![UT-4DR DIMENSIONS](https://www.roger.pl/templates/yootheme/cache/16/ut-4dr-rys-galeria-16b61263.png)](#)

 [ ](https://www.roger.pl/index.php?option=com_content&view=category&id=137&lang=en-GB)

 UT-4DR

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

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

- [Quick links](#linki)

###  About

UT-4DR interface is a device enabling communication with RACS 4 access control system through 10/100 BaseT Ethernet network.

Apart from this main function, it is equipped also with 4 universal Input/Output lines which can be managed using web browser or by means of Telnet protocol. This feature gives possibility to use the device in other application as a remote I/O port, managed by means of computer network. UT-4DR electronic module is put into plastic enclosure dedicated to mounting onto standard DIN rail.

**NOTICE!** Using UT-4DR requires PR Master software in version 4.4.6 or higher.

---

###  Features

- power supply 10-15 VDC
- average current consumption 55 mA
- IP/Ethernet communication interface for RACS 4 system
- configuration by means of web browser
- LAN/WAN 100/10 Mb/s operation
- static IP address
- 4 general purpose I/O lines
- 4 universal I/O lines managed by web browser or Telnet protocol
- can be used outside RACS4 system as remote I/O port managed by Ethernet network
- plastic enclosure for DIN rail
- dimensions: 85.0 x 62.0 x 73.0 mm (height x width x depth)
- weight: ≈110.0 g
- CE mark
- environmental conditions of operation:
    - temperature from -10°C to +40°C
    - humidity from 0% to 75%

---

###  Versions

[![UT-4DR Interface RS485 to Ethernet](https://www.roger.pl/images/kontrola-dostepu/system-kontroli-dostepu-racs-4/interfejsy-komunikacyjne/ut-4dr/ut-4dr-bok-galeria.png "UT-4DR Interface RS485 to Ethernet")](https://www.roger.pl/images/kontrola-dostepu/system-kontroli-dostepu-racs-4/interfejsy-komunikacyjne/ut-4dr/ut-4dr-bok-galeria.png)

**UT-4DR** RS485-Ethernet interface for RACS 4 system only

---

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

---

###  Download

[ pdfUT-4DR User Manual(588 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=1534-ut-4dr-user-manual&category_slug=manuals&Itemid=642&lang=en)

[ pdfUT-4DR Data Sheet(176 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=1618-ut-4dr-data-sheet&category_slug=data-sheets&Itemid=646&lang=en)

[ pdfUT-4DR Declaration of Conformity EC(129 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=1536-ut-4dr-declaration-of-conformity-ec&category_slug=certificates&Itemid=649&lang=en)

[ ArchiveUT-4DR Firmware v1.0.8.135(131 KB)](https://www.roger.pl/index.php?option=com_docman&view=document&alias=3896-ut-4dr-firmware-v1-0-8-135-1&category_slug=firmware&Itemid=651&lang=en)

---

###  Related products

 [ ![](https://www.roger.pl/templates/yootheme/cache/1c/mct66e-io-intro-1c874a94.png)

###  PR Series Advanced Access Controllers

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=706:advanced&catid=127&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/f2/pr_master-intro-f285094e.png)

###  PR Master

System Management

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=595:pr-master-system-management&catid=123&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/3e/pr411dr-intro-3e9b3682.png)

###  PR Series Standard Access Controllers

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=705:standard&catid=127&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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