diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAO.java b/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAO.java
new file mode 100644
index 0000000..c8d9388
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAO.java
@@ -0,0 +1,11 @@
+package de.ctdo.bunti.dao;
+
+import java.util.List;
+
+import de.ctdo.bunti.model.*;
+
+public interface BuntiDevicesDAO {
+
+	public List<BuntiDMXDevice> getAllDMXDevices();
+	
+}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAOImpl.java b/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAOImpl.java
new file mode 100644
index 0000000..d737110
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dao/BuntiDevicesDAOImpl.java
@@ -0,0 +1,78 @@
+package de.ctdo.bunti.dao;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.ctdo.bunti.dmx.DMXChannel;
+import de.ctdo.bunti.model.BuntiDMXDevice;
+import de.ctdo.bunti.model.BuntiDevice;
+
+public class BuntiDevicesDAOImpl implements BuntiDevicesDAO {
+	
+	List<BuntiDevice> devices = new ArrayList<BuntiDevice>();
+	
+	public BuntiDevicesDAOImpl() {
+		addDummyDevices();
+	}
+
+
+	private void addDummyDevices() {
+		BuntiDMXDevice d1 = new BuntiDMXDevice();
+		d1.setDeviceID(1);
+		d1.setDeviceName("Par65 Lampe 1");
+		d1.setStartAddress(1);
+		d1.addChannel(new DMXChannel(0, "mode"));
+		d1.addChannel(new DMXChannel(1, "red"));
+		d1.addChannel(new DMXChannel(2, "green"));
+		d1.addChannel(new DMXChannel(3, "blue"));
+		d1.addChannel(new DMXChannel(4, "speed"));
+		devices.add(d1);
+		
+		d1 = new BuntiDMXDevice();
+		d1.setDeviceID(6);
+		d1.setDeviceName("Par65 Lampe 2");
+		d1.setStartAddress(1);
+		d1.addChannel(new DMXChannel(0, "mode"));
+		d1.addChannel(new DMXChannel(1, "red"));
+		d1.addChannel(new DMXChannel(2, "green"));
+		d1.addChannel(new DMXChannel(3, "blue"));
+		d1.addChannel(new DMXChannel(4, "speed"));
+		devices.add(d1);
+		
+		d1 = new BuntiDMXDevice();
+		d1.setDeviceID(11);
+		d1.setDeviceName("Par65 Lampe 4");
+		d1.setStartAddress(1);
+		d1.addChannel(new DMXChannel(0, "mode"));
+		d1.addChannel(new DMXChannel(1, "red"));
+		d1.addChannel(new DMXChannel(2, "green"));
+		d1.addChannel(new DMXChannel(3, "blue"));
+		d1.addChannel(new DMXChannel(4, "speed"));
+		devices.add(d1);
+		
+		d1 = new BuntiDMXDevice();
+		d1.setDeviceID(16);
+		d1.setDeviceName("Par65 Lampe 4");
+		d1.setStartAddress(1);
+		d1.addChannel(new DMXChannel(0, "mode"));
+		d1.addChannel(new DMXChannel(1, "red"));
+		d1.addChannel(new DMXChannel(2, "green"));
+		d1.addChannel(new DMXChannel(3, "blue"));
+		d1.addChannel(new DMXChannel(4, "speed"));
+		devices.add(d1);
+		
+	}
+
+
+	@Override
+	public List<BuntiDMXDevice> getAllDMXDevices() {
+		List<BuntiDMXDevice> liste = new ArrayList<BuntiDMXDevice>();
+		for (BuntiDevice device : devices) {
+			if( device.getClass().equals(BuntiDMXDevice.class) ) {
+				liste.add((BuntiDMXDevice) device);
+			}
+		}
+		return liste;
+	}
+
+}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java
new file mode 100644
index 0000000..5986b0c
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMX.java
@@ -0,0 +1,21 @@
+package de.ctdo.bunti.dmx;
+
+public class DMX {
+
+	public static int DMX_CHANNELS_MAX = 511;
+	public static int DMX_CHANNELS_MIN = 0;
+	public static int DMX_CHANNEL_VALUE_MAX = 255;
+	public static int DMX_CHANNEL_VALUE_MIN = 0;
+	
+	public static int sanitizeDMXValue(int value) {
+		if(value < DMX_CHANNEL_VALUE_MIN) value = DMX_CHANNEL_VALUE_MIN;
+		if(value > DMX_CHANNEL_VALUE_MAX) value = DMX_CHANNEL_VALUE_MAX;
+		
+		return value;
+	}
+	
+	public static boolean checkChannelBoundaries(int channel) {
+		return (channel >= DMX_CHANNELS_MIN && channel <= DMX_CHANNELS_MAX);
+	}
+	
+}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXChannel.java b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXChannel.java
new file mode 100644
index 0000000..15b0623
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/dmx/DMXChannel.java
@@ -0,0 +1,13 @@
+package de.ctdo.bunti.dmx;
+
+public class DMXChannel {
+	public int offset;
+	public String description;
+	public int value;
+	
+	public DMXChannel(int offset, String description) {
+		this.description = description;
+		this.offset = offset;
+		this.value = 0;
+	}
+}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
new file mode 100644
index 0000000..8375ceb
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
@@ -0,0 +1,99 @@
+package de.ctdo.bunti.model;
+
+import java.util.*;
+
+import de.ctdo.bunti.dmx.*;
+
+public class BuntiDMXDevice extends BuntiDevice {
+	int startAddress;
+	List<DMXChannel> dmxValues = new ArrayList<DMXChannel>();
+	
+	public DMXChannel getDMXChannelByName(String channel) {
+		for (DMXChannel dx : dmxValues) {
+			if(channel.equals(dx.description)) {
+				return dx;
+			}			
+		}
+		return null;
+	}
+	
+	public DMXChannel getDMXChannelByOffset(int offset) {
+		for (DMXChannel dx : dmxValues) {
+			if(offset == dx.offset) {
+				return dx;
+			}			
+		}
+		return null;
+	}
+
+//	public DMXChannel getDMXChannelByAddress(int address) {
+//		int offset = address - startAddress;
+//		return getDMXChannelByOffset(offset);
+//	}
+
+	
+	
+	public void setChannelValueByName(String name, int value) {
+		DMXChannel dx = getDMXChannelByName(name);
+		if(dx != null) {
+			dx.value = DMX.sanitizeDMXValue(value);
+		}
+	}
+	
+//	public void setChannelValueByOffset(int offsetChannel, int value) {
+//		DMXChannel dx = getDMXChannelByOffset(offsetChannel);
+//		if(dx != null) {
+//			dx.value = DMX.sanitizeDMXValue(value);
+//		}
+//	}
+
+//	public void setChannelValueByAddress(int address, int value) {
+//		DMXChannel dx = getDMXChannelByAddress(address);
+//		if(dx != null) {
+//			dx.value = DMX.sanitizeDMXValue(value);
+//		}
+//	}
+	
+	public int getChannelValueByName(String name) {
+		DMXChannel dx = getDMXChannelByName(name);
+		if(dx != null) {
+			return dx.value;
+		}
+		return 0;
+	}
+	
+//	public int getChannelValueByOffset(int offsetChannel) {
+//		DMXChannel dx = getDMXChannelByOffset(offsetChannel)
+//		if(dx != null) {
+//			return dx.value;
+//		}
+//		return 0;
+//	}
+	
+//	public int getChannelValueByAddress(int address) {
+//		DMXChannel dx = getDMXChannelByAddress(address);
+//		if(dx != null) {
+//			return dx.value;
+//		}
+//		return 0;
+//	}
+
+	public int getStartAddress() {
+		return startAddress;
+	}
+
+	public void setStartAddress(int startAddress) {
+		this.startAddress = startAddress;
+	}
+	
+	public void addChannel(DMXChannel channel) {
+		dmxValues.add(channel);
+	}
+	public void removeChannel(int offset) {
+		DMXChannel dx = getDMXChannelByOffset(offset);
+		if(dx != null) {
+			dmxValues.remove(offset);
+		}
+	}
+	
+}
diff --git a/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDevice.java b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDevice.java
new file mode 100644
index 0000000..b55c63f
--- /dev/null
+++ b/bunti_server/src/main/java/de/ctdo/bunti/model/BuntiDevice.java
@@ -0,0 +1,22 @@
+package de.ctdo.bunti.model;
+
+public class BuntiDevice {
+	
+	int deviceID;
+	String deviceName;
+	
+	public int getDeviceID() {
+		return deviceID;
+	}
+	public void setDeviceID(int deviceID) {
+		this.deviceID = deviceID;
+	}
+	public String getDeviceName() {
+		return deviceName;
+	}
+	public void setDeviceName(String deviceName) {
+		this.deviceName = deviceName;
+	}
+	
+
+}