diff --git a/java_console/io/src/com/rusefi/io/LinkManager.java b/java_console/io/src/com/rusefi/io/LinkManager.java
index 4644376cd9..de96a3a07d 100644
--- a/java_console/io/src/com/rusefi/io/LinkManager.java
+++ b/java_console/io/src/com/rusefi/io/LinkManager.java
@@ -87,7 +87,7 @@ public class LinkManager {
         connector.send(encodeCommand(command));
     }
 
-    private static String encodeCommand(String command) {
+    public static String encodeCommand(String command) {
         return "sec!" + command.length() + "!" + command;
     }
 
diff --git a/java_console/io/src/com/rusefi/io/test/LinkManagerTest.java b/java_console/io/src/com/rusefi/io/test/LinkManagerTest.java
index 6f802e40a7..38f249dd28 100644
--- a/java_console/io/src/com/rusefi/io/test/LinkManagerTest.java
+++ b/java_console/io/src/com/rusefi/io/test/LinkManagerTest.java
@@ -1,6 +1,8 @@
 package com.rusefi.io.test;
 
+import com.rusefi.io.LinkManager;
 import org.junit.Test;
+import junit.framework.Assert;
 
 /**
  * @author Andrey Belomutskiy
@@ -9,6 +11,7 @@ import org.junit.Test;
 public class LinkManagerTest {
     @Test
     public void testEncoding() {
+        Assert.assertEquals("sec!7!rpm 400", LinkManager.encodeCommand("rpm 400"));
 
     }
 }