#  Expanders

- [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)

 [ ![](https://www.roger.pl/templates/yootheme/cache/53/xm-2dr-intro-532d3e6a.png)

###  XM-2DR

I/O Expander

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=511:xm-2dr-i-o-expander&catid=136&lang=en-GB)

 [ ![](https://www.roger.pl/templates/yootheme/cache/8a/xm-8dr-brd-intro-8ad090bb.png)

###  XM-8DR-BRD

I/O Expander

→

 ](https://www.roger.pl/index.php?option=com_content&view=article&id=510:xm-8dr-brd-i-o-expander&catid=136&lang=en-GB)