diff -Nur linux-2.6.16.12/drivers/usb/serial/ftdi_sio.c linux-2.6.16.12-pluto-1/drivers/usb/serial/ftdi_sio.c
--- linux-2.6.16.12/drivers/usb/serial/ftdi_sio.c	2006-05-01 15:14:26.000000000 -0400
+++ linux-2.6.16.12-pluto-1/drivers/usb/serial/ftdi_sio.c	2006-05-02 05:12:10.000000000 -0400
@@ -307,6 +307,7 @@
 
 
 static struct usb_device_id id_table_combined [] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
diff -Nur linux-2.6.16.12/drivers/usb/serial/ftdi_sio.h linux-2.6.16.12-pluto-1/drivers/usb/serial/ftdi_sio.h
--- linux-2.6.16.12/drivers/usb/serial/ftdi_sio.h	2006-05-01 15:14:26.000000000 -0400
+++ linux-2.6.16.12-pluto-1/drivers/usb/serial/ftdi_sio.h	2006-05-02 05:13:00.000000000 -0400
@@ -380,6 +380,9 @@
 /* Pyramid Computer GmbH */
 #define FTDI_PYRAMID_PID	0xE6C8	/* Pyramid Appliance Display */
 
+/* ACT Solutions HomePro ZWave interface (http://www.act-solutions.com/HomePro.htm) */
+#define FTDI_ACTZWAVE_PID      0xF2D0
+
 /*
  * Posiflex inc retail equipment (http://www.posiflex.com.tw)
  */