--- nut-2.0.4.old/drivers/powercom.h	2005-02-28 12:14:07 +0300
+++ nut-2.0.4/drivers/powercom.h	2006-04-26 09:34:45 +0400
@@ -43,7 +43,8 @@
 enum commands {
 	SEND_DATA    = '\x01',
 	BATTERY_TEST = '\x03',
-	SHUTDOWN     = '\xbc'
+	SHUTDOWN     = '\xbc',
+	SHUTDOWN0	 ='\xb9'
 };
 
 /* location of data in received string */
--- nut-2.0.4.old/drivers/powercom.c	2006-07-10 16:33:14 +0400
+++ nut-2.0.4/drivers/powercom.c	2007-01-09 14:54:58 +0300
@@ -117,6 +117,17 @@
                 {  5.0000,  0.3268,  -825.00,  0.46511, 0 },
                 {  1.9216, -0.0977,  0.82857,  0.0000 },
         },
+        {
+                "BNT1200AP",
+                16,
+				{  "no_flow_control", no_flow_control },
+                { { 7U, 0U }, { 8U, 0U }, { 8U, 0U } },
+                { { 2U, 0U }, 'y' },
+                {  0.00020997, 0.0 },
+                {  6.1343, -0.3808,  1.075,  0.1811 },
+                {  5.0000,  0.3268,  -825.00,  0.46511, 0 },
+                {  1.9216, -0.0977,  0.82857,  0.0000 },
+        },
 };
 
 
@@ -124,18 +135,29 @@
  * local used functions
  */
 
-static void nut_shutdown(void)
+static void shutdown(void)
+{
+//printf ("Initiating UPS shutdown!\n");
+	ser_send_char (upsfd, SHUTDOWN);
+	if (types[type].shutdown_arguments.minutesShouldBeUsed != 'n') 
+		ser_send_char (upsfd, '\x00');
+	ser_send_char (upsfd, '\x10');
+	upslogx(LOG_INFO, "Shutdown (stayoff) initiated.");
+	exit (0);
+}
+static void shutdown_ret(void)
 {
-	printf ("Initiating UPS shutdown!\n");
-        
+//	printf ("Initiating UPS shutdown!\n");
+	ser_send_char (upsfd, SHUTDOWN0);
 	ser_send_char (upsfd, SHUTDOWN);
 	if (types[type].shutdown_arguments.minutesShouldBeUsed != 'n') 
-	    ser_send_char (upsfd, types[type].shutdown_arguments.delay[0]);
-	ser_send_char (upsfd, types[type].shutdown_arguments.delay[1]);
-			
+		ser_send_char (upsfd, '\x00');
+	ser_send_char (upsfd, '\x10');
+	upslogx(LOG_INFO, "Shutdown (return) initiated.");
 	exit (0);
 }
 
+
 /* registered instant commands */
 static int instcmd (const char *cmdname, const char *extra)
 {
@@ -143,6 +165,16 @@
 	    ser_send_char (upsfd, BATTERY_TEST);
 	    return STAT_INSTCMD_HANDLED;
     }
+//	if (types[type].name=="BNT1200AP"){
+		if (!strcasecmp(cmdname, "shutdown.return")) { 
+			shutdown_ret();
+			return STAT_INSTCMD_HANDLED;
+		}
+		if (!strcasecmp(cmdname, "shutdown.stayoff")) {
+			shutdown(); 
+			return STAT_INSTCMD_HANDLED;
+		}
+//    }
 
     upslogx(LOG_NOTICE, "instcmd: unknown command [%s]", cmdname);
     return STAT_INSTCMD_UNKNOWN;
@@ -353,8 +385,8 @@
 void upsdrv_shutdown(void)
 {
 	/* power down the attached load immediately */
-	printf("Forced UPS shutdown triggered, do it...\n");
-	nut_shutdown();
+//	printf("Forced UPS shutdown (and wait for power)...\n");
+	shutdown_ret();
 }
 
 /* initialize UPS */
@@ -533,6 +565,15 @@
 	
 	/* setup flow control */
 	types[type].flowControl.setup_flow_control();
+	
+	/* tested only for BNT1200AP! */
+	if (types[type].name=="BNT1200AP"){
+		if (ser_send_char(upsfd,BATTERY_TEST)!=1){
+				upslogx(LOG_NOTICE, "writing error");
+				dstate_datastale();
+				return;
+		}
+	};
 }
 
 /* display help */
@@ -562,6 +603,8 @@
 
 	/* now add the instant commands */
     dstate_addcmd ("test.battery.start");
+    dstate_addcmd ("shutdown.return");
+    dstate_addcmd ("shutdown.stayoff");
 	upsh.instcmd = instcmd;
 }
 
@@ -572,7 +615,7 @@
 	addvar(VAR_VALUE, "linevoltage",   "Specify line voltage (110-120 or 220-240 V), because it cannot detect automagically (default: 230 V)");
 	addvar(VAR_VALUE, "modelname",     "Specify model name, because it cannot detect automagically (default: Unknown)");
 	addvar(VAR_VALUE, "serialnumber",  "Specify serial number, because it cannot detect automagically (default: Unknown)");
-	addvar(VAR_VALUE, "type",       "Type of UPS like 'Trust', 'KP625AP', 'KIN2200AP', 'Egys', 'KIN525AP' or 'KIN1500AP' (default: 'Trust')");
+	addvar(VAR_VALUE, "type",       "Type of UPS like 'Trust', 'KP625AP', 'KIN2200AP', 'Egys', 'KIN525AP' or 'KIN1500AP' or 'BNT1200AP' (default: 'Trust')");
 	addvar(VAR_VALUE, "numOfBytesFromUPS",  "The number of bytes in a UPS frame");
 	addvar(VAR_VALUE, "voltage",  "A quad to convert the raw data to human readable voltage");
 	addvar(VAR_VALUE, "methodOfFlowControl",  "The flow control method engaged by the UPS");