---
title: "System Devices - Roger"
description: "Roger - lider branży zabezpieczeń oferujący systemy kontroli dostępu, rejestracji czasu pracy, rejestracji pracy wartowników. Zapraszamy!"
url: "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/system-devices"
date: "2026-06-27T13:38:59+00:00"
language: "en-GB"
---

#  System Devices

- [Download](https://www.roger.pl/en/support/technical-support/download)
- [Newsletter](https://www.roger.pl/en/support/technical-support/newsletter)
- [News](https://www.roger.pl/en/support/technical-support/news)
- [Quick Start Guide](https://www.roger.pl/en/support/technical-support/quick-start-guide)
- [Remote Technical Support](https://www.roger.pl/en/support/technical-support/remote-technical-support)
- [FAQ - Frequently Asked Questions](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions)
    - [Access Control](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control)
        - [RACS 5 System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-5-system)
        - [RACS 4 System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system)
            - [PR Master Software](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/pr-master-software)
            - [Access Controllers](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/access-controllers)
            - [System Devices](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/system-devices)
        - [Access Terminals](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/access-terminals)
        - [Auxiliary Equipment](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/auxiliary-equipment)
        - [Transponders](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/transponders)
        - [Electronic Code Locks](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/electronic-code-locks)
    - [Time & Attendance](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/time-attendance)
    - [Guard Tour System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-guard-tour-system)

If you cannot find a subject which interests you please contact our Technical Department through [contact form](https://www.roger.pl/en/about-us/contact).

 [###  UT-4 firmware update

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1180:ut-4-firmware-update&catid=249&lang=en-GB)

 [###  UT-4 interface restart

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1182:ut-4-interface-restart&catid=249&lang=en-GB)

 [###  Setting Flowcontrol mode in UT-4 interface

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1164:setting-flowcontrol-mode-in-ut-4-interface&catid=249&lang=en-GB)

 [###  Changing virtual COM number when installing UT-4 interface

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1093:changing-virtual-com-number-when-installing-ut-4-interface&catid=249&lang=en-GB)

 [###  UT-4 interface is not accesible in LAN

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1181:ut-4-interface-is-not-accesible-in-lan&catid=249&lang=en-GB)

 [###  The function of CPR32SE network controller

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=1173:the-function-of-cpr32se-network-controller&catid=249&lang=en-GB)

## Schema

```json
{ "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Start", "item": "https://www.roger.pl/en" }, { "@type": "ListItem", "position": 2, "name": "Support", "item": "https://www.roger.pl/en/support" }, { "@type": "ListItem", "position": 3, "name": "Technical Support", "item": "https://www.roger.pl/en/support/technical-support" }, { "@type": "ListItem", "position": 4, "name": "FAQ - Frequently Asked Questions", "item": "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions" }, { "@type": "ListItem", "position": 5, "name": "Access Control", "item": "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control" }, { "@type": "ListItem", "position": 6, "name": "RACS 4 System", "item": "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system" }, { "@type": "ListItem", "position": 7, "name": "System Devices", "item": "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/system-devices" } ] }
```