diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/AcmPortObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/acm/classimplementation/ecacm/inc/AcmPortObserver.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,30 @@
+/*
+* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef __ACMPORTOBSERVER_H__
+#define __ACMPORTOBSERVER_H__
+
+class MAcmPortObserver
+/**
+ * Interface for notification of the ACM port being closed.
+ */
+	{
+public:
+	virtual void AcmPortClosed(const TUint aUnit) = 0;
+	};
+
+#endif // __ACMPORTOBSERVER_H__