diff --git a/cube/User/Inc/logger.h b/cube/User/Inc/logger.h
index d4a9fbd..0ec1775 100644
--- a/cube/User/Inc/logger.h
+++ b/cube/User/Inc/logger.h
@@ -6,6 +6,8 @@
 #include <stdbool.h>
 
 
+// Disabling this option is preferred. However, when debugging system hangs
+// this option needs to be enabled.
 // #define LOGGER_OUTPUT_BY_INTERRUPT
 
 typedef enum {
diff --git a/cube/User/Inc/mbusComm.h b/cube/User/Inc/mbusComm.h
index f118108..328f952 100644
--- a/cube/User/Inc/mbusComm.h
+++ b/cube/User/Inc/mbusComm.h
@@ -35,7 +35,8 @@ typedef struct {
   uint32_t errorCnt;
 } t_mbusCommStats;
 
-e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice);
+// e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice);
+void mbusCommInit();
 void mbusCommEnable(bool enable);
 void mbusCommTxCpltCallback(UART_HandleTypeDef *huart);
 void mbusCommRxCpltCallback(UART_HandleTypeDef *huart);
diff --git a/cube/User/Src/main2.c b/cube/User/Src/main2.c
index 6342d3b..24c674b 100644
--- a/cube/User/Src/main2.c
+++ b/cube/User/Src/main2.c
@@ -32,159 +32,6 @@ void my_errorHandler() {
 }
 
 
-static uint8_t numOfDevices = 8;
-static t_mbusDevice devices[] = {
-    {
-        .deviceName = "Total Power",
-        .address = 80,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 17 },
-            { .label = "", .index = 0 },
-            { .label = "", .index = 0 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Computer Power",
-        .address = 85,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Dryer Power",
-        .address = 81,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Laundry Power",
-        .address = 82,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Dishwasher Power",
-        .address = 83,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Light Power",
-        .address = 84,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 15,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Freezer Power",
-        .address = 86,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    },
-    {
-        .deviceName = "Fridge Power",
-        .address = 87,
-        .consideredField = {
-            { .label = "energy", .index = 0 },
-            { .label = "power", .index = 4 },
-            { .label = "voltage", .index = 2 },
-            { .label = "current", .index = 3 }
-        },
-        .requests = 0,
-        .failures = 0,
-        .period = 60,
-        .delay = 0,
-        .waiting = false
-    }
-};
-
-
-void triggerMBusRequest(void *handle) {
-    static uint8_t deviceIndex = 0;
-
-    if (devices[deviceIndex].waiting) {
-        e_mbusCommRequestResult r = mbusCommRequest(&(devices[deviceIndex]));
-        if (r == MBCRR_TRIGGERED) {
-            devices[deviceIndex].waiting = false;
-            deviceIndex++;
-        }
-    } else {
-        deviceIndex++;
-    }
-    if (deviceIndex >= numOfDevices) {
-        deviceIndex = 0;
-    }
-}
-
-void scheduleMBusRequest(void *handle) {
-    for (uint8_t i = 0; i < numOfDevices; i++) {
-        devices[i].delay -= 1;
-        if (devices[i].delay <= 0) {
-            devices[i].delay = devices[i].period;
-            devices[i].waiting = true;
-            coloredMsg(LOG_GREEN, false, "*** Scheduled: %s", devices[i].deviceName);
-        }
-    }
-}
-
 void my_setup_2() {
     show(LED_RED, OFF);
     show(LED_GREEN, BLINK);
@@ -200,8 +47,7 @@ void my_setup_2() {
     frontendInit();
     frontendSetThreshold(240);
 
-    schAdd(scheduleMBusRequest, NULL, 0, 1000);
-    schAdd(triggerMBusRequest, NULL, 0, 100);
+    mbusCommInit();
 }
 
 void my_loop() {
diff --git a/cube/User/Src/mbusComm.c b/cube/User/Src/mbusComm.c
index 66d743a..d44f016 100644
--- a/cube/User/Src/mbusComm.c
+++ b/cube/User/Src/mbusComm.c
@@ -11,6 +11,7 @@
 #include <show.h>
 #include <logger.h>
 #include <frontend.h>
+#include <wizHelper.h>
 
 #include <mbus/mbus-protocol.h>
 
@@ -424,7 +425,7 @@ void mbusCommEnable(bool enable) {
     mbusCommEnabled = enable;
 }
 
-e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice) {
+static e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice) {
     e_mbusCommRequestResult res = MBCRR_BUSY;
 
     if (mbusCommEnabled) {
@@ -457,3 +458,195 @@ e_mbusCommRequestResult mbusCommRequest(t_mbusDevice *mbusDevice) {
     return res;
 }
 
+
+static uint8_t numOfDevices = 8;
+static t_mbusDevice devices[] = {
+    {
+        .deviceName = "Total Power",
+        .address = 80,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 17 },
+            { .label = "", .index = 0 },
+            { .label = "", .index = 0 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Computer Power",
+        .address = 85,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Dryer Power",
+        .address = 81,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Laundry Power",
+        .address = 82,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Dishwasher Power",
+        .address = 83,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Light Power",
+        .address = 84,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 15,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Freezer Power",
+        .address = 86,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    },
+    {
+        .deviceName = "Fridge Power",
+        .address = 87,
+        .consideredField = {
+            { .label = "energy", .index = 0 },
+            { .label = "power", .index = 4 },
+            { .label = "voltage", .index = 2 },
+            { .label = "current", .index = 3 }
+        },
+        .requests = 0,
+        .failures = 0,
+        .period = 60,
+        .delay = 0,
+        .waiting = false
+    }
+};
+
+
+static void triggerMBusRequest(void *handle) {
+    static uint8_t deviceIndex = 0;
+
+    if (devices[deviceIndex].waiting) {
+        e_mbusCommRequestResult r = mbusCommRequest(&(devices[deviceIndex]));
+        if (r == MBCRR_TRIGGERED) {
+            devices[deviceIndex].waiting = false;
+            deviceIndex++;
+        }
+    } else {
+        deviceIndex++;
+    }
+    if (deviceIndex >= numOfDevices) {
+        deviceIndex = 0;
+    }
+}
+
+
+static void mbusCommScheduler(void *handle) {
+    static uint8_t state = 0;
+
+    switch (state) {
+        case 0:
+            if (isNetworkAvailable()) {
+                coloredMsg(LOG_GREEN, true, "mbc mcs activate scheduler by network");
+                schAdd(triggerMBusRequest, NULL, 0, 100);
+                state = 1;
+            }
+            break;
+
+        case 1:
+            if (! isNetworkAvailable()) {
+                coloredMsg(LOG_GREEN, true, "mbc mcs deactivate scheduler by network");
+                schDel(triggerMBusRequest, NULL);
+                state = 0;
+            }
+            if (! mbusCommEnabled) {
+                coloredMsg(LOG_GREEN, true, "mbc mcs deactivate scheduler by request");
+                schDel(triggerMBusRequest, NULL);
+                state = 2;
+            }
+            for (uint8_t i = 0; i < numOfDevices; i++) {
+                devices[i].delay -= 1;
+                if (devices[i].delay <= 0) {
+                    devices[i].delay = devices[i].period;
+                    devices[i].waiting = true;
+                    coloredMsg(LOG_GREEN, false, "*** Scheduled: %s", devices[i].deviceName);
+                }
+            }
+            break;
+
+        case 2:
+            if (mbusCommEnabled) {
+                coloredMsg(LOG_GREEN, true, "mbc mcs activate scheduler by request");
+                schAdd(triggerMBusRequest, NULL, 0, 100);
+                state = 1;
+            }
+            break;
+    }
+}
+
+void mbusCommInit() {
+    coloredMsg(LOG_GREEN, true, "mbc mci initializing Meterbus communication");
+    schAdd(mbusCommScheduler, NULL, 0, 1000);
+}
+