diff --git a/EXRAIL2.cpp b/EXRAIL2.cpp
index 088b79b..a8fc07d 100644
--- a/EXRAIL2.cpp
+++ b/EXRAIL2.cpp
@@ -1000,6 +1000,13 @@ void RMFT2::loop2() {
       if ((compileFeatures & FEATURE_LCC) && LCCSerial) 
           StringFormatter::send(LCCSerial,F("<L x%h>"),(uint16_t)operand);
        break; 
+  
+  case OPCODE_MERGON:  // MERG adapter 
+  case OPCODE_MERGOFF: 
+      if ((compileFeatures & FEATURE_LCC) && LCCSerial) 
+          StringFormatter::send(LCCSerial,F("<L x%c%h>"),
+          opcode==OPCODE_MERGON?'1':'0',(uint16_t)operand);
+       break; 
 
   case OPCODE_LCCX: // long form LCC
        if ((compileFeatures & FEATURE_LCC) && LCCSerial)
@@ -1088,6 +1095,8 @@ void RMFT2::loop2() {
   case OPCODE_PINTURNOUT: // Turnout definition ignored at runtime
   case OPCODE_ONCLOSE: // Turnout event catchers ignored here
   case OPCODE_ONLCC:   // LCC event catchers ignored here 
+  case OPCODE_ONMERGON:   // MERG event catchers ignored here 
+  case OPCODE_ONMERGOFF:   // MERG event catchers ignored here 
   case OPCODE_ONTHROW:
   case OPCODE_ONACTIVATE: // Activate event catchers ignored here
   case OPCODE_ONDEACTIVATE:
diff --git a/EXRAIL2.h b/EXRAIL2.h
index 8750e41..ed3a3e8 100644
--- a/EXRAIL2.h
+++ b/EXRAIL2.h
@@ -69,6 +69,8 @@ enum OPCODE : byte {OPCODE_THROW,OPCODE_CLOSE,OPCODE_TOGGLE_TURNOUT,
              OPCODE_TTADDPOSITION,OPCODE_DCCTURNTABLE,OPCODE_EXTTTURNTABLE,
              OPCODE_ONROTATE,OPCODE_ROTATE,OPCODE_WAITFORTT,
              OPCODE_LCC,OPCODE_LCCX,OPCODE_ONLCC,
+             OPCODE_MERGON, OPCODE_MERGOFF, 
+             OPCODE_ONMERGON, OPCODE_ONMERGOFF, 
              OPCODE_ONOVERLOAD,
              OPCODE_ROUTE_ACTIVE,OPCODE_ROUTE_INACTIVE,OPCODE_ROUTE_HIDDEN,
              OPCODE_ROUTE_DISABLED,
diff --git a/EXRAIL2MacroReset.h b/EXRAIL2MacroReset.h
index c799ddf..0b86c2e 100644
--- a/EXRAIL2MacroReset.h
+++ b/EXRAIL2MacroReset.h
@@ -99,6 +99,10 @@
 #undef LCCX 
 #undef LCN 
 #undef MOVETT
+#undef MERGON
+#undef MERGOFF
+#undef ONMERGON
+#undef ONMERGOFF
 #undef MESSAGE
 #undef ONACTIVATE
 #undef ONACTIVATEL
@@ -265,6 +269,10 @@
 #define LCN(msg) 
 #define MESSAGE(msg)
 #define MOVETT(id,steps,activity)
+#define MERGON(eventid)
+#define MERGOFF(eventid)
+#define ONMERGON(eventid)
+#define ONMERGOFF(eventid)
 #define ONACTIVATE(addr,subaddr)
 #define ONACTIVATEL(linear)
 #define ONAMBER(signal_id) 
diff --git a/EXRAIL2Parser.cpp b/EXRAIL2Parser.cpp
index 4023633..b64ee93 100644
--- a/EXRAIL2Parser.cpp
+++ b/EXRAIL2Parser.cpp
@@ -77,7 +77,10 @@ void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16
                  getOperand(progCounter,3),
                  getOperand(progCounter,0)
                  );        
-        }}
+        }
+        if (opcode==OPCODE_MERGON)  StringFormatter::send(stream,F("<LS x1%h>\n"),getOperand(progCounter,0));   
+        if (opcode==OPCODE_MERGOFF)  StringFormatter::send(stream,F("<LS x0%h>\n"),getOperand(progCounter,0));   
+      }
       
       // we stream the hex events we wish to listen to
       // and at the same time build the event index looku.
@@ -98,6 +101,15 @@ void RMFT2::ComandFilter(Print * stream, byte & opcode, byte & paramCount, int16
                  );   
            eventIndex++;      
         }
+        if (opcode==OPCODE_ONMERGON || opcode==OPCODE_ONMERGOFF) {
+           onLCCLookup[eventIndex]=progCounter; // TODO skip...
+           StringFormatter::send(stream,F("<LL %d x%c%h>\n"),
+                 eventIndex,
+                 opcode==OPCODE_ONMERGON?'1':'0',
+                 getOperand(progCounter,0)
+                 );   
+           eventIndex++;      
+        }
       }
       StringFormatter::send(stream,F("<LR>\n")); // Ready to rumble
       opcode=0;
diff --git a/EXRAILMacros.h b/EXRAILMacros.h
index 827c1d2..e5b93fa 100644
--- a/EXRAILMacros.h
+++ b/EXRAILMacros.h
@@ -189,6 +189,10 @@ bool exrailHalSetup() {
 #define LCCX(senderid,eventid) | FEATURE_LCC 
 #undef ONLCC
 #define ONLCC(senderid,eventid) | FEATURE_LCC
+#undef ONMERGON
+#define ONMERGON(eventid) | FEATURE_LCC
+#undef ONMERGOFF
+#define ONMERGOFF(eventid) | FEATURE_LCC
 #undef ROUTE_ACTIVE
 #define ROUTE_ACTIVE(id) | FEATURE_ROUTESTATE
 #undef ROUTE_INACTIVE
@@ -429,10 +433,14 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
     #include "myAutomation.h"
     0,0,0,0 };
 
-// Pass 9 ONLCC counter and lookup array
+// Pass 9 ONLCC/ ONMERG counter and lookup array
 #include "EXRAIL2MacroReset.h"
 #undef ONLCC
 #define ONLCC(sender,event) +1 
+#undef ONMERGON
+#define ONMERGON(event) +1 
+#undef ONMERGOFF
+#define ONMERGOFF(event) +1 
 
 const int RMFT2::countLCCLookup=0
 #include "myAutomation.h"
@@ -529,6 +537,10 @@ int RMFT2::onLCCLookup[RMFT2::countLCCLookup];
         OPCODE_PAD,V((((uint64_t)sender)>>32)&0xFFFF),\
         OPCODE_PAD,V((((uint64_t)sender)>>16)&0xFFFF),\
         OPCODE_PAD,V((((uint64_t)sender)>>0)&0xFFFF),  
+#define MERGON(eventid) OPCODE_MERGON,V(eventid),
+#define MERGOFF(eventid) OPCODE_MERGOFF,V(eventid),
+#define ONMERGON(eventid) OPCODE_ONMERGON,V(eventid),
+#define ONMERGOFF(eventid) OPCODE_ONMERGOFF,V(eventid),
 #define LCD(id,msg) PRINT(msg)
 #define SCREEN(display,id,msg) PRINT(msg)
 #define STEALTH(code...) PRINT(dummy)