diff --git a/CHANGELOG.md b/CHANGELOG.md
index ccd15bb..f3867c8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 ## New features
 * New modems: AFSK Bell 103 (300 Bd, 1600/1800 Hz), GFSK G3RUH (9600 Bd), AFSK V.23 (1200 Bd, 1300/2100 Hz)
 * FX.25 (AX.25 with Reed-Solomon FEC) support
+* Default UART/USB modes can be configured
 ## Bug fixes
 * none
 ## Other
diff --git a/Inc/drivers/uart.h b/Inc/drivers/uart.h
index d700057..23cba43 100644
--- a/Inc/drivers/uart.h
+++ b/Inc/drivers/uart.h
@@ -53,6 +53,7 @@ typedef struct
 	uint16_t txBufferHead, txBufferTail;
 	uint8_t txBufferFull : 1;
 	enum UartMode mode;
+	enum UartMode defaultMode;
 	uint16_t lastRxBufferHead; //for special characters handling
 	uint8_t kissBuffer[AX25_FRAME_MAX_SIZE + 1];
 	uint16_t kissBufferHead;
diff --git a/Src/config.c b/Src/config.c
index 1477cca..a6413cb 100644
--- a/Src/config.c
+++ b/Src/config.c
@@ -97,7 +97,10 @@ along with VP-DigiConfig.  If not, see <http://www.gnu.org/licenses/>.
 #define CONFIG_ALLOWNONAPRS 1214
 #define CONFIG_FX25 1216
 #define CONFIG_MODEM 1218
-#define CONFIG_XXX 1220 //next address (not used)
+#define CONFIG_MODE_USB 1220
+#define CONFIG_MODE_UART1 1222
+#define CONFIG_MODE_UART2 1224
+#define CONFIG_XXX 1226 //next address (not used)
 
 
 /**
@@ -267,6 +270,9 @@ void ConfigWrite(void)
 	write(CONFIG_ALLOWNONAPRS, Ax25Config.allowNonAprs);
 	write(CONFIG_FX25, Ax25Config.fx25 | (Ax25Config.fx25Tx << 1));
 	write(CONFIG_MODEM, ModemConfig.modem);
+	write(CONFIG_MODE_USB, UartUsb.defaultMode);
+	write(CONFIG_MODE_UART1, Uart1.defaultMode);
+	write(CONFIG_MODE_UART2, Uart2.defaultMode);
 
 	write(CONFIG_FLAG, CONFIG_FLAG_WRITTEN);
 
@@ -359,6 +365,9 @@ uint8_t ConfigRead(void)
 	Ax25Config.fx25 = t & 1;
 	Ax25Config.fx25Tx = (t & 2) > 0;
 	ModemConfig.modem = read(CONFIG_MODEM);
+	UartUsb.defaultMode = read(CONFIG_MODE_USB);
+	Uart1.defaultMode = read(CONFIG_MODE_UART1);
+	Uart2.defaultMode = read(CONFIG_MODE_UART2);
 
 	return 1;
 }
diff --git a/Src/drivers/uart.c b/Src/drivers/uart.c
index 4b381f6..0817874 100644
--- a/Src/drivers/uart.c
+++ b/Src/drivers/uart.c
@@ -25,7 +25,7 @@ along with VP-Digi.  If not, see <http://www.gnu.org/licenses/>.
 #include "digipeater.h"
 #include "kiss.h"
 
-Uart Uart1, Uart2, UartUsb;
+Uart Uart1 = {.defaultMode = MODE_KISS}, Uart2 = {.defaultMode = MODE_KISS}, UartUsb= {.defaultMode = MODE_KISS};
 
 static void handleInterrupt(Uart *port)
 {
@@ -147,7 +147,9 @@ void UartInit(Uart *port, USART_TypeDef *uart, uint32_t baud)
 	port->txBufferHead = 0;
 	port->txBufferTail = 0;
 	port->txBufferFull = 0;
-	port->mode = MODE_KISS;
+	if(port->defaultMode > MODE_MONITOR)
+		port->defaultMode = MODE_KISS;
+	port->mode = port->defaultMode;
 	port->enabled = 0;
 	port->kissBufferHead = 0;
 	port->lastRxBufferHead = 0;
diff --git a/Src/terminal.c b/Src/terminal.c
index ce130c6..86742cc 100644
--- a/Src/terminal.c
+++ b/Src/terminal.c
@@ -93,56 +93,78 @@ void TermSendNumberToAll(enum UartMode mode, int32_t n)
 }
 
 
-static const char monitorHelp[] = "\r\nCommans available in monitor mode:\r\n"
-		"help - shows this help page\r\n"
-		"cal {low|high|alt|stop} - transmits/stops transmitter calibration pattern\r\n"
-		"\tlow - transmits MARK tone, high - transmits SPACE tone, alt - transmits alternating tones (null bytes)\r\n"
-		"beacon <beacon_number> - immediately transmits selected beacon (number from 0 to 7)\r\n"
-		"kiss - switches to KISS mode\r\n"
-		"config - switches to config mode\r\n"
-		"reboot - reboots the device\r\n"
+static const char monitorHelp[] = "\r\nCommands available in monitor mode:\r\n"
+		"help - show this help page\r\n"
+		"cal {low|high|alt|stop} - transmit/stop transmitter calibration pattern\r\n"
+		"\tlow - transmit MARK tone, high - transmit SPACE tone, alt - transmit alternating tones (null bytes)\r\n"
+		"beacon <beacon_number> - immediately transmit selected beacon (number from 0 to 7)\r\n"
+		"kiss - switch to KISS mode\r\n"
+		"config - switch to config mode\r\n"
+		"reboot - reboot the device\r\n"
 		"time - show time since boot\r\n"
-		"version - shows full firmware version info\r\n\r\n\r\n";
+		"version - show full firmware version info\r\n\r\n\r\n";
 
 static const char configHelp[] = 	"\r\nCommands available in config mode:\r\n"
-		"print - prints all configuration parameters\r\n"
-		"list - prints callsign filter list\r\n"
-		"save - saves configuration and reboots the device\r\n"
-		"eraseall - erases all configurations and reboots the device\r\n"
-		"help - shows this help page\r\n"
-		"reboot - reboots the device\r\n"
+		"print - print all configuration parameters\r\n"
+		"list - print callsign filter list\r\n"
+		"save - save configuration and reboot the device\r\n"
+		"eraseall - erase all configurations and reboot the device\r\n"
+		"help - show this help page\r\n"
+		"reboot - reboot the device\r\n"
 		"time - show time since boot\r\n"
-		"version - shows full firmware version info\r\n\r\n"
-		"modem <type> - sets modem type: 1200, 1200_V23, 300 or 9600\r\n"
-		"call <callsign-SSID> - sets callsign with optional SSID\r\n"
-		"dest <address> - sets destination address\r\n"
-		"txdelay <50-2550> - sets TXDelay time (ms)\r\n"
-		"txtail <10-2550> - sets TXTail time (ms)\r\n"
-		"quiet <100-2550> - sets quiet time (ms)\r\n"
-		"rs1baud/rs2baud <1200-115200> - sets UART1/UART2 baudrate\r\n"
-		"pwm [on/off] - enables/disables PWM. If PWM is off, R2R will be used instead\r\n"
+		"version - show full firmware version info\r\n\r\n"
+		"modem <type> - set modem type: 1200, 1200_V23, 300 or 9600\r\n"
+		"call <callsign-SSID> - set callsign with optional SSID\r\n"
+		"dest <address> - set destination address\r\n"
+		"txdelay <50-2550> - set TXDelay time (ms)\r\n"
+		"txtail <10-2550> - set TXTail time (ms)\r\n"
+		"quiet <100-2550> - set quiet time (ms)\r\n"
+		"uart <1/2> baud <1200-115200> - set UART baud rate\r\n"
+		"uart <0/1/2> mode [kiss/monitor/config] - set UART default mode (0 for USB)\r\n"
+		"pwm [on/off] - enable/disable PWM. If PWM is off, R2R will be used instead\r\n"
 		"flat [on/off] - set to \"on\" if flat audio input is used\r\n"
-		"beacon <0-7> [on/off] - enables/disables specified beacon\r\n"
-		"beacon <0-7> [iv/dl] <0-720> - sets interval/delay for the specified beacon (min)\r\n"
-		"beacon <0-7> path <el1,[el2]>/none - sets path for the specified beacon\r\n"
-		"beacon <0-7> data <data> - sets information field for the specified beacon\r\n"
-		"digi [on/off] - enables/disables whole digipeater\r\n"
-		"digi <0-7> [on/off] - enables/disables specified slot\r\n"
-		"digi <0-7> alias <alias> - sets alias for the specified slot\r\n"
-		"digi <0-3> [max/rep] <0/1-7> - sets maximum/replacement N for the specified slot\r\n"
-		"digi <0-7> trac [on/off] - enables/disables packet tracing for the specified slot\r\n"
-		"digi <0-7> viscous [on/off] - enables/disables viscous-delay digipeating for the specified slot\r\n"
-		"digi <0-7> direct [on/off] - enables/disables direct-only digipeating for the specified slot\r\n"\
-		"digi <0-7> filter [on/off] - enables/disables packet filtering for the specified slot\r\n"
-		"digi filter [black/white] - sets filtering type to blacklist/whitelist\r\n"
-		"digi dupe <5-255> - sets anti-dupe buffer time (s)\r\n"
-		"digi list <0-19> [set <call>/remove] - sets/clears specified callsign slot in filter list\r\n"
+		"beacon <0-7> [on/off] - enable/disable specified beacon\r\n"
+		"beacon <0-7> [iv/dl] <0-720> - set interval/delay for the specified beacon (min)\r\n"
+		"beacon <0-7> path <el1,[el2]>/none - set path for the specified beacon\r\n"
+		"beacon <0-7> data <data> - set information field for the specified beacon\r\n"
+		"digi [on/off] - enable/disable whole digipeater\r\n"
+		"digi <0-7> [on/off] - enable/disable specified slot\r\n"
+		"digi <0-7> alias <alias> - set alias for the specified slot\r\n"
+		"digi <0-3> [max/rep] <0/1-7> - set maximum/replacement N for the specified slot\r\n"
+		"digi <0-7> trac [on/off] - enable/disable packet tracing for the specified slot\r\n"
+		"digi <0-7> viscous [on/off] - enable/disable viscous-delay digipeating for the specified slot\r\n"
+		"digi <0-7> direct [on/off] - enable/disable direct-only digipeating for the specified slot\r\n"\
+		"digi <0-7> filter [on/off] - enable/disable packet filtering for the specified slot\r\n"
+		"digi filter [black/white] - set filter type to blacklist/whitelist\r\n"
+		"digi dupe <5-255> - set duplicate protection buffer time (s)\r\n"
+		"digi list <0-19> [set <call>/remove] - set/clear given callsign slot in filter list\r\n"
 		"monkiss [on/off] - send own and digipeated frames to KISS ports\r\n"
 		"nonaprs [on/off] - enable reception of non-APRS frames\r\n"
 		"fx25 [on/off] - enable FX.25 protocol (AX.25 + FEC)\r\n"
 		"fx25tx [on/off] - enable TX in FX.25 mode\r\n";
 
 
+static void sendUartParams(Uart *output, Uart *uart)
+{
+	if(!uart->isUsb)
+	{
+		UartSendNumber(output, uart->baudrate);
+		UartSendString(output, " baud, ", 0);
+	}
+	UartSendString(output, "default mode: ", 0);
+	switch(uart->defaultMode)
+	{
+		case MODE_KISS:
+			UartSendString(output, "KISS", 0);
+			break;
+		case MODE_MONITOR:
+			UartSendString(output, "monitor", 0);
+			break;
+		case MODE_TERM:
+			UartSendString(output, "configuration", 0);
+			break;
+	}
+}
 
 static void printConfig(Uart *src)
 {
@@ -184,10 +206,12 @@ static void printConfig(Uart *src)
 	UartSendNumber(src, Ax25Config.txTailLength);
 	UartSendString(src, "\r\nQuiet time (ms): ", 0);
 	UartSendNumber(src, Ax25Config.quietTime);
-	UartSendString(src, "\r\nUART1 baudrate: ", 0);
-	UartSendNumber(src, Uart1.baudrate);
-	UartSendString(src, "\r\nUART2 baudrate: ", 0);
-	UartSendNumber(src, Uart2.baudrate);
+	UartSendString(src, "\r\nUSB: ", 0);
+	sendUartParams(src, &UartUsb);
+	UartSendString(src, "\r\nUART1: ", 0);
+	sendUartParams(src, &Uart1);
+	UartSendString(src, "\r\nUART2: ", 0);
+	sendUartParams(src, &Uart2);
 	UartSendString(src, "\r\nDAC type: ", 0);
 	if(ModemConfig.usePWM)
 		UartSendString(src, "PWM", 0);
@@ -652,25 +676,55 @@ void TermParse(Uart *src)
 			Ax25Config.quietTime = (uint16_t)t;
 		}
 	}
-	else if(!strncmp(cmd, "rs1baud", 7) || !strncmp(cmd, "rs2baud", 7))
+	else if(!strncmp(cmd, "uart", 4))
 	{
-		int64_t t = StrToInt(&cmd[8], len - 8);
-		if((t > 115200) || (t < 1200))
+		Uart *u = NULL;
+		if((cmd[5] - '0') == 1)
+			u = &Uart1;
+		else if((cmd[5] - '0') == 2)
+			u = &Uart2;
+		else if((cmd[5] - '0') == 0)
+			u = &UartUsb;
+		else
 		{
-			UartSendString(src, "Incorrect baudrate!\r\n", 0);
+			UartSendString(src, "Incorrect UART number!\r\n", 0);
+			return;
 		}
-		else
+		if(!strncmp(&cmd[7], "baud", 4))
 		{
-			if(cmd[2] == '1')
-				Uart1.baudrate = (uint32_t)t;
-			else if(cmd[2] == '2')
-				Uart2.baudrate = (uint32_t)t;
+			int64_t t = StrToInt(&cmd[12], len - 12);
+			if((t > 115200) || (t < 1200))
+			{
+				UartSendString(src, "Incorrect baud rate!\r\n", 0);
+				return;
+			}
+			u->baudrate = (uint32_t)t;
+		}
+		else if(!strncmp(&cmd[7], "mode", 4))
+		{
+			if(!strncmp(&cmd[12], "kiss", 4))
+			{
+				u->defaultMode = MODE_KISS;
+			}
+			else if(!strncmp(&cmd[12], "monitor", 7))
+			{
+				u->defaultMode = MODE_MONITOR;
+			}
+			else if(!strncmp(&cmd[12], "config", 6))
+			{
+				u->defaultMode = MODE_TERM;
+			}
 			else
 			{
-				UartSendString(src, "Incorrect port number!\r\n", 0);
+				UartSendString(src, "Incorrect UART mode!\r\n", 0);
 				return;
 			}
 		}
+		else
+		{
+			UartSendString(src, "Incorrect option!\r\n", 0);
+			return;
+		}
 	}
 	else if(!strncmp(cmd, "beacon", 6))
 	{
diff --git a/doc/manual.md b/doc/manual.md
index fc130c9..662c85a 100644
--- a/doc/manual.md
+++ b/doc/manual.md
@@ -85,8 +85,8 @@ The following commands are available in configuration mode:
 - `txdelay TIME` – sets the preamble length before transmitting a frame. Value in milliseconds, ranging from 30 to 2550.
 - `txtail TIME` – sets the tail length after a frame transmission. Value in milliseconds, ranging from 10 to 2550. Set to the minimum value if not needed.
 - `quiet TIME` – sets the time that must elapse between channel release and transmission start. Value in milliseconds, ranging from 100 to 2550.
-- `rs1baud BAUDRATE` – sets the baud rate for UART1 port. Value ranging from 1200 to 115200.
-- `rs2baud BAUDRATE` – sets the baud rate for UART2 port. Value ranging from 1200 to 115200.
+- `uart NUMBER baud RATE` - sets the baud rate (1200-115200 Bd) for the selected serial port.
+- `uart NUMBER mode <kiss/monitor/config>` - sets the default operating mode for the selected serial port (0 for USB).
 - `pwm <on/off>` – sets the DAC type. *on* when a PWM filter is installed, *off* when an R2R ladder is installed. Starting from version 2.0.0, it is recommended to use only PWM.
 - `flat <on/off>` – configures the modem for use with a radio with *flat audio* output. *on* when the signal is fed from the *flat audio* connector, *off* when the signal is fed from the headphone jack. This option only affects 1200 Bd modems.
 - `beacon NUMBER <on/off>` – *on* activates, *off* deactivates the beacon with the specified number, ranging from 0 to 7.
diff --git a/doc/manual_pl.md b/doc/manual_pl.md
index 252ee0e..f41118e 100644
--- a/doc/manual_pl.md
+++ b/doc/manual_pl.md
@@ -88,8 +88,8 @@ W trybie konfiguracji dostępne są następujące polecenia:
 - `txdelay CZAS` – ustawia długość preambuły do nadania przed ramką. Wartość w milisekundach z zakresu od 30 do 2550
 - `txtail CZAS` – ustawia ogona nadawanego po ramce. Wartość w milisekundach, z zakresu od 10 do 2550. Jeśli nie zachodzi potrzeba, należy ustawić wartość minimalną.
 - `quiet CZAS` – ustawia czas, który musi upłynąć pomiędzy zwolnieniem się kanału a włączeniem nadawania. Wartość w milisekundach z zakresu od 100 do 2550.
-- `rs1baud PREDKOSC` – ustawia prędkość (*baudrate*) portu UART1. Wartość z zakresu od 1200 do 115200.
-- `rs2baud PREDKOSC` – ustawia prędkość (*baudrate*) portu UART2. Wartość z zakresu od 1200 do 115200.
+- `uart NUMER baud PREDKOSC` - ustawia prędkość (1200-115200 Bd) pracy wybranego portu szeregowego.
+- `uart NUMBER mode <kiss/monitor/config` - ustawia domyślny tryb pracy wybranego portu szeregowego (0 dla USB).
 - `pwm <on/off>` – ustawia typ DAC. *on*, gdy zainstalowany jest filtr PWM, *off* gdy zainstalowana jest drabinka R2R. Od wersji 2.0.0 zalecane jest użycie wyłącznie PWM.
 - `flat <on/off>` – konfiguruje modem do użycia z radiem z wyjściem *flat audio*. *on* gdy sygnał podawany jest ze złącza *flat audio*, *off* gdy sygnał podawany jest ze złącza słuchawkowego. Opcja ma wpływ jedynie na modemy 1200 Bd.
 - `beacon NUMER <on/off>` – *on* włącza, *off* wyłącza beacon o podanym numerze z zakresu od 0 do 7.