diff --git a/ESP32/esp32.h b/ESP32/esp32.h
index b7554d8..750c667 100644
--- a/ESP32/esp32.h
+++ b/ESP32/esp32.h
@@ -18,5 +18,5 @@
 // #define HEARTBEAT_PIN LED_BUILTIN
 #define HEARTBEAT_PIN 25
 
-// #define CONSOLE_SERIAL_RX 16
-// #define CONSOLE_SERIAL_TX 17
+// #define TTY_SERIAL_RX 16
+// #define TTY_SERIAL_TX 17
diff --git a/ESP32/main.ino b/ESP32/main.ino
index 804a5d6..890003f 100644
--- a/ESP32/main.ino
+++ b/ESP32/main.ino
@@ -54,8 +54,8 @@ constexpr const char SERIAL_CFG_FILE[] = "/serial.json";
 
 #if defined(BUILD_FOR_RP2040)
 #define Serial_RS232 Serial1
-#elif defined(CONSOLE_SERIAL_RX)
-HardwareSerial       Serial_RS232(1);
+#elif defined(TTY_SERIAL_RX)
+HardwareSerial       Serial_RS232(2);
 #endif
 
 bus     *b    = nullptr;
@@ -212,7 +212,7 @@ void start_network(console *const c)
 		dc11 *dc11_ = new dc11(1100, b);
 		b->add_DC11(dc11_);
 
-#if !defined(BUILD_FOR_RP2040) && defined(CONSOLE_SERIAL_RX)
+#if !defined(BUILD_FOR_RP2040) && defined(TTY_SERIAL_RX)
 		constexpr uint32_t hwSerialConfig = SERIAL_8N1;
 		uint32_t bitrate = load_serial_speed_configuration();
 
@@ -220,7 +220,7 @@ void start_network(console *const c)
 		Serial.print(bitrate);
 		Serial.println(F("bps"));
 
-		Serial_RS232.begin(bitrate, hwSerialConfig, CONSOLE_SERIAL_RX, CONSOLE_SERIAL_TX);
+		Serial_RS232.begin(bitrate, hwSerialConfig, TTY_SERIAL_RX, TTY_SERIAL_TX);
 		Serial_RS232.setHwFlowCtrlMode(0);
 
 		dc11_->set_serial(&Serial_RS232);
@@ -243,7 +243,7 @@ void recall_configuration(console *const cnsl)
 }
 #endif
 
-#if defined(CONSOLE_SERIAL_RX)
+#if defined(TTY_SERIAL_RX)
 void set_tty_serial_speed(console *const c, const uint32_t bps)
 {
 	Serial_RS232.begin(bps);
diff --git a/ESP32/platformio.ini b/ESP32/platformio.ini
index edc8d7a..7b310ee 100644
--- a/ESP32/platformio.ini
+++ b/ESP32/platformio.ini
@@ -47,7 +47,7 @@ board_build.filesystem = littlefs
 lib_deps = greiman/SdFat@^2.1.2
         adafruit/Adafruit NeoPixel
         bblanchon/ArduinoJson@^6.19.4
-build_flags = -std=gnu++17 -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC
+build_flags = -std=gnu++17 -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 -DBOARD_HAS_PSRAM -mfix-esp32-psram-cache-issue -DCONFIG_SPIRAM_USE_MALLOC -DTTY_SERIAL_RX=4 -DTTY_SERIAL_TX=15
 build_unflags = -std=gnu++11
 extra_scripts = pre:prepare.py