#  Communication Interfaces

- [Introduction](https://www.roger.pl/en/products/racs-4-access-control-system/introduction)
- [Software](https://www.roger.pl/en/products/racs-4-access-control-system/software)
- [Integrations](https://www.roger.pl/en/products/racs-4-access-control-system/integrations)
- [Network Controllers](https://www.roger.pl/en/products/racs-4-access-control-system/network-controllers)
- [Access Controllers](https://www.roger.pl/en/products/racs-4-access-control-system/access-controllers)
- [Proximity Readers](https://www.roger.pl/en/products/racs-4-access-control-system/prt-proximity-readers)
- [Expanders](https://www.roger.pl/en/products/racs-4-access-control-system/expanders)
- [Communication Interfaces](https://www.roger.pl/en/products/racs-4-access-control-system/communication-interfaces)

 [  ![MCI-2 Communication Interface](https://www.roger.pl/templates/yootheme/cache/7e/mci-2-intro-7e086451.png "MCI-2 | Communication Interface")

###  MCI-2

Communication Interface

[→](https://www.roger.pl/index.php?option=com_content&view=article&id=516:mci-2-communication-interface&catid=137&lang=en-GB)

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=516:mci-2-communication-interface&catid=137&lang=en-GB)

 [  ![UT-2USB Interface RS485 to USB](https://www.roger.pl/templates/yootheme/cache/26/ut-2usb-intro-26e9ab25.png "UT-2USB | Interface RS485 to USB")

###  UT-2USB

Interface RS485 to USB

[→](https://www.roger.pl/index.php?option=com_content&view=article&id=514:ut-2usb-interface-rs485-to-usb&catid=137&lang=en-GB)

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=514:ut-2usb-interface-rs485-to-usb&catid=137&lang=en-GB)

 [  ![UT-4DR Interface RS485 to Ethernet](https://www.roger.pl/templates/yootheme/cache/1e/ut-4dr-intro-1e133452.png "UT-4DR | Interface RS485 to Ethernet")

###  UT-4DR

Interface RS485 to Ethernet

[→](https://www.roger.pl/index.php?option=com_content&view=article&id=512:ut-4dr-interface-rs485-to-ethernet&catid=137&lang=en-GB)

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=512:ut-4dr-interface-rs485-to-ethernet&catid=137&lang=en-GB)

 [  ![UT-2 Interface RS485 to RS232](https://www.roger.pl/templates/yootheme/cache/33/ut-2-intro-3326c0b5.png "UT-2 | Interface RS485 to RS232")

 Product to be discontinued

###  UT-2

Interface RS485 to RS232

[→](https://www.roger.pl/index.php?option=com_content&view=article&id=515:ut-2-interface-rs485-to-rs232&catid=137&lang=en-GB)

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=515:ut-2-interface-rs485-to-rs232&catid=137&lang=en-GB)