---
title: "Connection"
canonical: "https://docs.cuesystem.com/space/CUM/485261328/Connection"
format: markdown
---
# Overview

The following table describes connections for all controllers.

|  |  |  |  |  |
| --- | --- | --- | --- | --- |
| Unit |  |  | Connection |  |
|  | Power supply 24 VDC | Power over Ethernet | Ethernet | Serial RS-232/485 | Serial RS-232/422/485 | IR/Serial output | Versatile | Universal | Keypad | General I/O | Low-voltage relay | DALI | KNX | DMX512 | EnOcean |
| controlCUE-versatile | 1 | 1 | 1 | 3 |  |  | 8 |  |  |  |  |  |  |  |  |
| controlCUE-basic |  | 1 | 1 | 1 |  |  |  | 4 | 1 |  | 2 |  |  |  |  |
| controlCUE-one | 1 |  | 1 |  | 2 | 4 |  |  |  | 4 | 2 |  |  |  |  |
| controlCUE-two | 1 |  | 1 |  | 6 | 8 |  |  |  | 8 | 4 |  |  |  |  |
| controlCUE-three | 1 | 1 | 1 | 4 |  |  |  | 4 |  |  | 2 |  |  |  |  |
| controlCUE-versatile-d | 1 | 1 | 1 | 3 |  |  | 8 |  |  |  |  |  |  |  |  |
| controlCUE-dali-d | 1 | 1 | 1 | 1 |  |  | 4 |  |  |  |  | 1 |  |  |  |
| controlCUE-knx-d | 1 | 1 | 1 | 1 |  |  | 4 |  |  |  |  |  | 1 |  |  |
| controlCUE-dmx-d | 1 | 1 | 1 | 1 |  |  | 4 |  |  |  |  |  |  | 2 |  |
| controlCUE-enocean-d | 1 | 1 | 1 | 1 |  |  | 4 |  |  |  |  |  |  |  | 1 |
| smartCUE-relay | 1 | 1 | 1 | 3 |  |  | 6 |  |  |  | 6 |  |  |  |  |
| smartCUE-versatile | 1 | 1 | 1 | 3 |  |  | 8 |  |  |  |  |  |  |  |  |
| smartCUE-versatile-d | 1 | 1 | 1 | 3 |  |  | 8 |  |  |  |  |  |  |  |  |