diff --git a/Inc/CliCmd.h b/Inc/CliCmd.h
index aa1662e..9e6b2b7 100644
--- a/Inc/CliCmd.h
+++ b/Inc/CliCmd.h
@@ -17,12 +17,14 @@ typedef struct {
         size_t length;
     } rxLine;
 
-    tSerialPortIO *serialCommandPort;
+    tSerialPortIO *serialCommandPortIn;
+    tSerialPortIO *serialCommandPortOut;
+
 } tCliCmd;
 
-void CliCmd_Init(tCliCmd *env, tSerialPortIO *io, uint8_t *data, size_t dataLen);
+void CliCmd_Init(tCliCmd *env, tSerialPortIO *io_in, tSerialPortIO *io_out, uint8_t *data, size_t dataLen);
 
-#define CliCmd_InitStatic(ENV, IO, DATA) CliCmd_Init(ENV,IO,DATA,sizeof(DATA));
+#define CliCmd_InitStatic(ENV, IO_IN, IO_OUT, DATA) CliCmd_Init(ENV,IO_IN,IO_OUT,DATA,sizeof(DATA));
 
 void CliCmd_WaitLine(tCliCmd *env);
 
diff --git a/Src/CliCmd.c b/Src/CliCmd.c
index 150617c..7b8ce38 100644
--- a/Src/CliCmd.c
+++ b/Src/CliCmd.c
@@ -7,8 +7,9 @@
 #include "AsciiStringAssmeblingUtils.h"
 #include "SystemDelayInterface.h"
 
-void CliCmd_Init(tCliCmd *env, tSerialPortIO *io, uint8_t *data, size_t dataLen) {
-    env->serialCommandPort = io;
+void CliCmd_Init(tCliCmd *env, tSerialPortIO *io_in, tSerialPortIO *io_out, uint8_t *data, size_t dataLen) {
+    env->serialCommandPortIn = io_in;
+    env->serialCommandPortOut = io_out;
     env->rxLine.limit = dataLen;
     env->rxLine.data = (char *) data;
     vAsciiStringInit(env->rxLine.data, &env->rxLine.length, env->rxLine.limit);
@@ -20,11 +21,11 @@ void CliCmd_WaitLine(tCliCmd *env) {
     //получаем строку
     //печатаем ее в ответ
 
-    SerialPortClearRxBuffer(env->serialCommandPort);
+    SerialPortClearRxBuffer(env->serialCommandPortIn);
     vAsciiStringClean(env->rxLine.data, &env->rxLine.length);
 
     env->rxLine.length = SerialPortReceiveTo(
-            env->serialCommandPort,
+            env->serialCommandPortIn,
             (uint8_t *) env->rxLine.data,
             env->rxLine.limit,
             '\n',
@@ -43,11 +44,11 @@ void CliCmd_WaitLineDelay(tCliCmd *env, uint32_t delay) {
     //получаем строку
     //печатаем ее в ответ
 
-    SerialPortClearRxBuffer(env->serialCommandPort);
+    SerialPortClearRxBuffer(env->serialCommandPortIn);
     vAsciiStringClean(env->rxLine.data, &env->rxLine.length);
 
     env->rxLine.length = SerialPortReceiveTo(
-            env->serialCommandPort,
+            env->serialCommandPortIn,
             (uint8_t *) env->rxLine.data,
             env->rxLine.limit,
             '\n',
@@ -62,14 +63,14 @@ void CliCmd_WaitLineDelay(tCliCmd *env, uint32_t delay) {
 }
 
 void CliCmd_ClearRx(tCliCmd *env) {
-    SerialPortClearRxBuffer(env->serialCommandPort);
+    SerialPortClearRxBuffer(env->serialCommandPortIn);
     vAsciiStringClean(env->rxLine.data, &env->rxLine.length);
 }
 
 bool CliCmd_HasCompleteLine(tCliCmd *env) {
 
     env->rxLine.length = SerialPortReceiveTo(
-            env->serialCommandPort,
+            env->serialCommandPortIn,
             (uint8_t *) env->rxLine.begin,
             env->rxLine.limit,
             '\n',
@@ -84,7 +85,7 @@ bool CliCmd_HasCompleteLine(tCliCmd *env) {
 }
 
 void CliCmd_Print(tCliCmd *cli, char *text, uint16_t len) {
-    SerialPortTransmit(cli->serialCommandPort, (uint8_t *) text, len, SystemWaitForever);
+    SerialPortTransmit(cli->serialCommandPortOut, (uint8_t *) text, len, SystemWaitForever);
 }
 
 void CliCmd_PrintHex(tCliCmd *cli, uint8_t *data, uint16_t byteLen) {