diff --git a/bin/classes/com/felhr/usbserial/BLED112SerialDevice.class b/bin/classes/com/felhr/usbserial/BLED112SerialDevice.class
index 35043c3..8de5446 100644
Binary files a/bin/classes/com/felhr/usbserial/BLED112SerialDevice.class and b/bin/classes/com/felhr/usbserial/BLED112SerialDevice.class differ
diff --git a/bin/classes/com/felhr/usbserial/UsbSerialDevice$WorkerThread.class b/bin/classes/com/felhr/usbserial/UsbSerialDevice$WorkerThread.class
index 3e006d2..0beea60 100644
Binary files a/bin/classes/com/felhr/usbserial/UsbSerialDevice$WorkerThread.class and b/bin/classes/com/felhr/usbserial/UsbSerialDevice$WorkerThread.class differ
diff --git a/bin/classes/com/felhr/usbserial/UsbSerialDevice.class b/bin/classes/com/felhr/usbserial/UsbSerialDevice.class
index 0622333..0d0db69 100644
Binary files a/bin/classes/com/felhr/usbserial/UsbSerialDevice.class and b/bin/classes/com/felhr/usbserial/UsbSerialDevice.class differ
diff --git a/bin/usbserial.jar b/bin/usbserial.jar
index 26c4b21..a0777a5 100644
Binary files a/bin/usbserial.jar and b/bin/usbserial.jar differ
diff --git a/src/com/felhr/usbserial/BLED112SerialDevice.java b/src/com/felhr/usbserial/BLED112SerialDevice.java
index bbec2fe..9cb503e 100644
--- a/src/com/felhr/usbserial/BLED112SerialDevice.java
+++ b/src/com/felhr/usbserial/BLED112SerialDevice.java
@@ -38,6 +38,7 @@ public class BLED112SerialDevice extends UsbSerialDevice
 	};
 	
 	private static final int BLED112_DEFAULT_CONTROL_LINE = 0x0003;
+	private static final int BLED112_DISCONNECT_CONTROL_LINE = 0x0002;
 	
 	private UsbInterface mInterface;
 	private UsbEndpoint inEndpoint;
@@ -109,6 +110,7 @@ public class BLED112SerialDevice extends UsbSerialDevice
 	@Override
 	public void close() 
 	{
+		setControlCommand(BLED112_SET_CONTROL_LINE_STATE, BLED112_DISCONNECT_CONTROL_LINE , null);
 		killWorkingThread();
 		connection.close();
 	}
diff --git a/src/com/felhr/usbserial/UsbSerialDevice.java b/src/com/felhr/usbserial/UsbSerialDevice.java
index 5bb54b0..8582bc6 100644
--- a/src/com/felhr/usbserial/UsbSerialDevice.java
+++ b/src/com/felhr/usbserial/UsbSerialDevice.java
@@ -77,7 +77,6 @@ public abstract class UsbSerialDevice implements UsbSerialInterface
 						&& request.getEndpoint().getDirection() == UsbConstants.USB_DIR_IN)
 				{
 					byte[] data = serialBuffer.getDataReceived();
-					Log.i(CLASS_ID, "Received data length: " + String.valueOf(data.length));
 					serialBuffer.clearReadBuffer();
 					onReceivedData(data);
 					requestIN.queue(serialBuffer.getReadBuffer(), SerialBuffer.DEFAULT_READ_BUFFER_SIZE);