diff --git a/src/turboPmacAxis.cpp b/src/turboPmacAxis.cpp
index 52cec66..a4795b9 100644
--- a/src/turboPmacAxis.cpp
+++ b/src/turboPmacAxis.cpp
@@ -1441,9 +1441,9 @@ asynStatus turboPmacCreateAxis(const char *portName, int axis) {
     if (ptr == nullptr) {
         /*
         We can't use asynPrint here since this macro would require us
-        to get a lowLevelPortUser_ from a pointer to an asynPortDriver.
+        to get an asynUser from a pointer to an asynPortDriver.
         However, the given pointer is a nullptr and therefore doesn't
-        have a lowLevelPortUser_! printf is an EPICS alternative which
+        have an asynUser! printf is an EPICS alternative which
         works w/o that, but doesn't offer the comfort provided
         by the asynTrace-facility
         */
diff --git a/src/turboPmacController.cpp b/src/turboPmacController.cpp
index e378497..bf9bbb0 100644
--- a/src/turboPmacController.cpp
+++ b/src/turboPmacController.cpp
@@ -49,27 +49,12 @@ turboPmacController::turboPmacController(const char *portName,
     asynStatus status = asynSuccess;
 
     // Initialization of all member variables
-    lowLevelPortUser_ = nullptr;
     comTimeout_ = comTimeout;
 
     // Maximum allowed number of subsequent timeouts before the user is
     // informed.
     maxSubsequentTimeouts_ = 10;
 
-    // =========================================================================;
-
-    /*
-    We try to connect to the port via the port name provided by the constructor.
-    If this fails, the function is terminated via exit
-    */
-    pasynOctetSyncIO->connect(ipPortConfigName, 0, &lowLevelPortUser_, NULL);
-    if (status != asynSuccess || lowLevelPortUser_ == nullptr) {
-        errlogPrintf("Controller \"%s\" => %s, line %d\nFATAL ERROR "
-                     "(cannot connect to MCU controller).\nTerminating IOC",
-                     portName, __PRETTY_FUNCTION__, __LINE__);
-        exit(-1);
-    }
-
     // =========================================================================
     // Create additional parameter library entries
 
@@ -103,15 +88,15 @@ turboPmacController::turboPmacController(const char *portName,
     const char *message_from_device =
         "\006"; // Hex-code for ACK (acknowledge) -> Each message from the MCU
                 // is terminated by this value
-    status = pasynOctetSyncIO->setInputEos(
-        lowLevelPortUser_, message_from_device, strlen(message_from_device));
+    status = pasynOctetSyncIO->setInputEos(ipPortUser_, message_from_device,
+                                           strlen(message_from_device));
     if (status != asynSuccess) {
         asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                   "Controller \"%s\" => %s, line %d\nFATAL ERROR "
                   "(setting input EOS failed with %s).\nTerminating IOC",
                   portName, __PRETTY_FUNCTION__, __LINE__,
                   stringifyAsynStatus(status));
-        pasynOctetSyncIO->disconnect(lowLevelPortUser_);
+        pasynOctetSyncIO->disconnect(ipPortUser_);
         exit(-1);
     }
 
@@ -123,7 +108,7 @@ turboPmacController::turboPmacController(const char *portName,
                   "with %s).\nTerminating IOC",
                   portName, __PRETTY_FUNCTION__, __LINE__,
                   stringifyAsynStatus(status));
-        pasynOctetSyncIO->disconnect(lowLevelPortUser_);
+        pasynOctetSyncIO->disconnect(ipPortUser_);
         exit(-1);
     }
 }
@@ -254,8 +239,8 @@ asynStatus turboPmacController::writeRead(int axisNo, const char *command,
     trying to reconnect. If the problem persists, ask them to call the support
     */
 
-    status = pasynOctetSyncIO->write(lowLevelPortUser_, fullCommand,
-                                     fullComandLength, comTimeout_, &nbytesOut);
+    status = pasynOctetSyncIO->write(ipPortUser_, fullCommand, fullComandLength,
+                                     comTimeout_, &nbytesOut);
 
     msgPrintControlKey writeKey =
         msgPrintControlKey(portName, axisNo, __PRETTY_FUNCTION__, __LINE__);
@@ -279,7 +264,7 @@ asynStatus turboPmacController::writeRead(int axisNo, const char *command,
             checkMaxSubsequentTimeouts(timeoutCounter, axis);
             timeoutCounter += 1;
 
-            status = pasynOctetSyncIO->write(lowLevelPortUser_, fullCommand,
+            status = pasynOctetSyncIO->write(ipPortUser_, fullCommand,
                                              fullComandLength, comTimeout_,
                                              &nbytesOut);
             if (status != asynTimeout) {
@@ -304,8 +289,8 @@ asynStatus turboPmacController::writeRead(int axisNo, const char *command,
     }
 
     // Read the response from the MCU buffer
-    status = pasynOctetSyncIO->read(lowLevelPortUser_, response, MAXBUF_,
-                                    comTimeout_, &nbytesIn, &eomReason);
+    status = pasynOctetSyncIO->read(ipPortUser_, response, MAXBUF_, comTimeout_,
+                                    &nbytesIn, &eomReason);
 
     msgPrintControlKey readKey =
         msgPrintControlKey(portName, axisNo, __PRETTY_FUNCTION__, __LINE__);
@@ -330,9 +315,8 @@ asynStatus turboPmacController::writeRead(int axisNo, const char *command,
             checkMaxSubsequentTimeouts(timeoutCounter, axis);
             timeoutCounter += 1;
 
-            status =
-                pasynOctetSyncIO->read(lowLevelPortUser_, response, MAXBUF_,
-                                       comTimeout_, &nbytesIn, &eomReason);
+            status = pasynOctetSyncIO->read(ipPortUser_, response, MAXBUF_,
+                                            comTimeout_, &nbytesIn, &eomReason);
             if (status != asynTimeout) {
                 asynPrint(this->pasynUserSelf, ASYN_TRACE_ERROR,
                           "Controller \"%s\", axis %d  => %s, line "
diff --git a/src/turboPmacController.h b/src/turboPmacController.h
index 74585eb..3a046d0 100644
--- a/src/turboPmacController.h
+++ b/src/turboPmacController.h
@@ -125,8 +125,6 @@ class turboPmacController : public sinqController {
     static const uint32_t MAXBUF_ = 200;
 
   protected:
-    asynUser *lowLevelPortUser_;
-
     /*
     Timeout for the communication process in seconds
     */