diff --git a/mission/tmtc/CcsdsIpCoreHandler.cpp b/mission/tmtc/CcsdsIpCoreHandler.cpp
index f31aeaa4..85d1143b 100644
--- a/mission/tmtc/CcsdsIpCoreHandler.cpp
+++ b/mission/tmtc/CcsdsIpCoreHandler.cpp
@@ -135,10 +135,12 @@ ReturnValue_t CcsdsIpCoreHandler::initialize() {
     return ObjectManagerIF::CHILD_INIT_FAILED;
   }
 
+  transmitterCountdown.setTimeout(transmitterTimeout);
+  transmitterCountdown.timeOut();
+
 #if OBSW_SYRLINKS_SIMULATED == 1
   // Update data on rising edge
   ptmeConfig->invertTxClock(false);
-  transmitterCountdown.setTimeout(transmitterTimeout);
   linkState = UP;
   forwardLinkstate();
 #endif /* OBSW_SYRLINKS_SIMULATED == 1*/
@@ -348,6 +350,9 @@ void CcsdsIpCoreHandler::enableTransmit() {
   gpioIF->pullHigh(enTxClock);
   gpioIF->pullHigh(enTxData);
 #endif
+  linkState = UP;
+  forwardLinkstate();
+  transmitterCountdown.resetTimer();
 }
 
 void CcsdsIpCoreHandler::checkTxTimer() {
@@ -356,6 +361,7 @@ void CcsdsIpCoreHandler::checkTxTimer() {
   }
   if (transmitterCountdown.hasTimedOut()) {
     disableTransmit();
+    //TODO: set mode to off (move timer to subsystem)
   }
 }
 
@@ -425,7 +431,7 @@ void CcsdsIpCoreHandler::disableTransmit() {
 #endif
   linkState = DOWN;
   forwardLinkstate();
-  transmitterCountdown.setTimeout(0);
+  transmitterCountdown.timeOut();
 }
 
 const char* CcsdsIpCoreHandler::getName() const { return "CCSDS Handler"; }