diff --git a/slsDetectorServers/eigerDetectorServer/Beb.c b/slsDetectorServers/eigerDetectorServer/Beb.c
index 13901392d..b2bd86a28 100644
--- a/slsDetectorServers/eigerDetectorServer/Beb.c
+++ b/slsDetectorServers/eigerDetectorServer/Beb.c
@@ -479,19 +479,21 @@ int Beb_SetDataStream(int left, int enable) {
             (left ? XPAR_GPIO_LFT_STRM_DSBL_MSK : XPAR_GPIO_RGHT_STRM_DSBL_MSK);
 
         u_int32_t value = Beb_Read32(csp0base, reg);
-        LOG(logDEBUG, ("data streaming register value before:%d\n", value));
-        if (enable)
+        LOG(logINFO, ("data streaming register value before:0x%x\n", value));
+        // disabling in firmware 
+        if (!enable)
             value |= mask;
         else
             value &= ~mask;
+        LOG(logINFO, ("Going to set data streaming register value:0x%x\n", value));
         u_int32_t retval = Beb_Write32(csp0base, reg, value);
-        if (retval != value) {
+        /*if (retval != value) {
             LOG(logERROR,
                 ("Could not %s %s fpga datastream. Wrote 0x%x, read 0x%x\n",
                  (enable ? "enable" : "disable"), (left ? "left" : "right"),
                  value, retval));
             Beb_close(fd, csp0base);
-        }
+        }*/
     }
     Beb_close(fd, csp0base);
     return 1;
@@ -516,7 +518,8 @@ int Beb_GetDataStream(int left, int *retval) {
             (left ? XPAR_GPIO_LFT_STRM_DSBL_MSK : XPAR_GPIO_RGHT_STRM_DSBL_MSK);
 
         u_int32_t value = Beb_Read32(csp0base, reg);
-        *retval = (value & mask) ? 1 : 0;
+        // disabling in firmware
+        *retval = (value & mask) ? 0 : 1;
     }
     Beb_close(fd, csp0base);
     return 1;
diff --git a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer
index d527282e9..96d9c38cd 100755
Binary files a/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer and b/slsDetectorServers/eigerDetectorServer/bin/eigerDetectorServer_developer differ
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index 39918fbcc..c61fe6eea 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -7055,6 +7055,28 @@ int get_receiver_parameters(int file_des) {
     if (n < 0)
         return printSocketReadError();
 
+        // data stream left
+#ifdef EIGERD
+    i32 = 0;
+    getDataStream(1, &i32);
+#else
+    i32 = 0;
+#endif
+    n += sendData(file_des, &i32, sizeof(i32), INT32);
+    if (n < 0)
+        return printSocketReadError();        
+
+        // data stream right
+#ifdef EIGERD
+    i32 = 0;
+    getDataStream(0, &i32);
+#else
+    i32 = 0;
+#endif
+    n += sendData(file_des, &i32, sizeof(i32), INT32);
+    if (n < 0)
+        return printSocketReadError();        
+
         // quad
 #ifdef EIGERD
     i32 = getQuad();
@@ -8300,7 +8322,7 @@ int set_datastream(int file_des) {
             if (ret == FAIL) {
                 sprintf(mess, "Could not %s\n", msg);
                 LOG(logERROR, (mess));
-            } else {
+            } /*else {
                 int retval = -1;
                 ret = getDataStream(leftFpga, &retval);
                 LOG(logDEBUG1, ("%s retval: %u\n", msg, retval));
@@ -8310,7 +8332,7 @@ int set_datastream(int file_des) {
                     LOG(logERROR, (mess));
                 }
                 validate(&ret, mess, enable, retval, msg, DEC);
-            }
+            }*/
         }
     }
 #endif
diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index 6fcf5c123..677374930 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -1516,6 +1516,9 @@ bool Module::getDataStream(const bool left) const {
 void Module::setDataStream(const bool left, const bool enable) {
     int args[]{static_cast<int>(left), static_cast<int>(enable)};
     sendToDetector(F_SET_DATASTREAM, args, nullptr);
+    if (shm()->useReceiverFlag) {
+        sendToReceiver(F_RECEIVER_SET_DATASTREAM, args, nullptr);
+    }
 }
 
 // Jungfrau Specific
diff --git a/slsReceiverSoftware/src/ClientInterface.cpp b/slsReceiverSoftware/src/ClientInterface.cpp
index 8f644000e..c35209314 100644
--- a/slsReceiverSoftware/src/ClientInterface.cpp
+++ b/slsReceiverSoftware/src/ClientInterface.cpp
@@ -209,6 +209,8 @@ int ClientInterface::functionTable(){
     flist[F_GET_RECEIVER_STREAMING_HWM]     =   &ClientInterface::get_streaming_hwm;
     flist[F_SET_RECEIVER_STREAMING_HWM]     =   &ClientInterface::set_streaming_hwm;
     flist[F_RECEIVER_SET_ALL_THRESHOLD]     =   &ClientInterface::set_all_threshold;
+    flist[F_RECEIVER_SET_DATASTREAM]        =   &ClientInterface::set_detector_datastream;
+    
 
 	for (int i = NUM_DET_FUNCTIONS + 1; i < NUM_REC_FUNCTIONS ; i++) {
 		LOG(logDEBUG1) << "function fnum: " << i << " (" <<
@@ -401,6 +403,8 @@ int ClientInterface::setup_receiver(Interface &socket) {
         impl()->setSubPeriod(std::chrono::nanoseconds(arg.subExpTimeNs) +
                              std::chrono::nanoseconds(arg.subDeadTimeNs));
         impl()->setActivate(static_cast<bool>(arg.activate));
+        impl()->setDetectorDataStream(1, arg.dataStreamLeft);
+        impl()->setDetectorDataStream(0, arg.dataStreamRight);
         try {
             impl()->setQuad(arg.quad == 0 ? false : true);
         } catch (const RuntimeError &e) {
@@ -1695,3 +1699,18 @@ int ClientInterface::set_all_threshold(Interface &socket) {
     impl()->setThresholdEnergy(eVs);
     return socket.Send(OK);
 }
+
+int ClientInterface::set_detector_datastream(Interface &socket) {
+    int args[2]{-1, -1};
+    socket.Receive(args);
+    bool left = static_cast<int>(args[0]);
+    bool enable = static_cast<int>(args[1]);
+    LOG(logDEBUG1) << "Setting datstream " << (left ? "left" : "right")
+                   << ") to " << sls::ToString(enable);
+    if (myDetectorType != EIGER)
+        functionNotImplemented();
+    verifyIdle(socket);
+    impl()->setDetectorDataStream(left, enable);
+    return socket.Send(OK);
+}
+
diff --git a/slsReceiverSoftware/src/ClientInterface.h b/slsReceiverSoftware/src/ClientInterface.h
index fa3d3b683..64ed796c0 100644
--- a/slsReceiverSoftware/src/ClientInterface.h
+++ b/slsReceiverSoftware/src/ClientInterface.h
@@ -162,6 +162,8 @@ class ClientInterface : private virtual slsDetectorDefs {
     int get_streaming_hwm(sls::ServerInterface &socket);
     int set_streaming_hwm(sls::ServerInterface &socket);
     int set_all_threshold(sls::ServerInterface &socket);
+    int set_detector_datastream(sls::ServerInterface &socket);
+
 
     Implementation *impl() {
         if (receiver != nullptr) {
diff --git a/slsReceiverSoftware/src/DataProcessor.cpp b/slsReceiverSoftware/src/DataProcessor.cpp
index 6b4c8467f..a506e02fb 100644
--- a/slsReceiverSoftware/src/DataProcessor.cpp
+++ b/slsReceiverSoftware/src/DataProcessor.cpp
@@ -151,7 +151,7 @@ void DataProcessor::CreateFirstFiles(
     const bool overWriteEnable, const bool silentMode, const int modulePos,
     const int numUnitsPerReadout, const uint32_t udpPortNumber,
     const uint32_t maxFramesPerFile, const uint64_t numImages,
-    const uint32_t dynamicRange) {
+    const uint32_t dynamicRange, const bool detectorDataStream) {
     if (dataFile_ == nullptr) {
         throw sls::RuntimeError("file object not contstructed");
     }
@@ -163,6 +163,16 @@ void DataProcessor::CreateFirstFiles(
                                       overWriteEnable, silentMode, attr);
     }
 
+    // deactivated with padding enabled, dont write file
+    if (!*activated_ && !*deactivatedPaddingEnable_) {
+        return;
+    }
+
+    // deactivated port, dont write file
+    if (!detectorDataStream) {
+        return;
+    }
+
     switch (dataFile_->GetFileFormat()) {
 #ifdef HDF5C
     case HDF5:
diff --git a/slsReceiverSoftware/src/DataProcessor.h b/slsReceiverSoftware/src/DataProcessor.h
index aca8eb6e1..c05af8784 100644
--- a/slsReceiverSoftware/src/DataProcessor.h
+++ b/slsReceiverSoftware/src/DataProcessor.h
@@ -60,7 +60,9 @@ class DataProcessor : private virtual slsDetectorDefs, public ThreadObject {
                           const uint32_t udpPortNumber,
                           const uint32_t maxFramesPerFile,
                           const uint64_t numImages,
-                          const uint32_t dynamicRange);
+                          const uint32_t dynamicRange,
+                          const bool detectorDataStream
+                          );
 #ifdef HDF5C
     uint32_t GetFilesInAcquisition() const;
     void CreateVirtualFile(const std::string filePath,
diff --git a/slsReceiverSoftware/src/Implementation.cpp b/slsReceiverSoftware/src/Implementation.cpp
index 1e6462e5a..436ea5644 100644
--- a/slsReceiverSoftware/src/Implementation.cpp
+++ b/slsReceiverSoftware/src/Implementation.cpp
@@ -167,7 +167,7 @@ void Implementation::setDetectorType(const detectorType d) {
                 i, detType, fifo_ptr, &status, &udpPortNum[i], &eth[i],
                 &numberOfTotalFrames, &udpSocketBufferSize,
                 &actualUDPSocketBufferSize, &framesPerFile, &frameDiscardMode,
-                &activated, &deactivatedPaddingEnable, &silentMode));
+                &activated, &detectorDataStream[i], &deactivatedPaddingEnable, &silentMode));
             dataProcessor.push_back(sls::make_unique<DataProcessor>(
                 i, detType, fifo_ptr, &activated, &deactivatedPaddingEnable,
                 &dataStreamEnable, &streamingFrequency, &streamingTimerInMs,
@@ -610,6 +610,12 @@ void Implementation::stopReceiver() {
         if (!activated) {
             LOG(logINFORED) << "Deactivated Receiver";
         }
+        if (!detectorDataStream[0]) {
+            LOG(logINFORED) << "Deactivated Left Port";
+        } 
+            if (!detectorDataStream[1]) {
+            LOG(logINFORED) << "Deactivated Right Port";
+        } 
         // callback
         if (acquisitionFinishedCallBack) {
             try {
@@ -796,7 +802,7 @@ void Implementation::SetupWriter() {
                 masterAttributes.get(), filePath, fileName, fileIndex,
                 overwriteEnable, silentMode, modulePos, numThreads,
                 udpPortNum[i], framesPerFile, numberOfTotalFrames,
-                dynamicRange);
+                dynamicRange, detectorDataStream[i]);
         }
     } catch (const sls::RuntimeError &e) {
         shutDownUDPSockets();
@@ -867,7 +873,7 @@ void Implementation::setNumberofUDPInterfaces(const int n) {
                     i, detType, fifo_ptr, &status, &udpPortNum[i], &eth[i],
                     &numberOfTotalFrames, &udpSocketBufferSize,
                     &actualUDPSocketBufferSize, &framesPerFile,
-                    &frameDiscardMode, &activated, &deactivatedPaddingEnable,
+                    &frameDiscardMode, &activated, &detectorDataStream[i], &deactivatedPaddingEnable,
                     &silentMode));
                 listener[i]->SetGeneralData(generalData);
 
@@ -1497,10 +1503,20 @@ void Implementation::setQuad(const bool b) {
 
 bool Implementation::getActivate() const { return activated; }
 
-bool Implementation::setActivate(bool enable) {
+void Implementation::setActivate(bool enable) {
     activated = enable;
     LOG(logINFO) << "Activation: " << (activated ? "enabled" : "disabled");
-    return activated;
+}
+
+bool Implementation::getDetectorDataStream(const bool leftPort) const { 
+    int index = (leftPort ? 0 : 1);
+    return detectorDataStream[index]; 
+}
+
+void Implementation::setDetectorDataStream(const bool leftPort, const bool enable) {
+    int index = (leftPort ? 0 : 1);
+    detectorDataStream[index] = enable;
+    LOG(logINFO) << "Detector datastream ("  << (leftPort ? "Left" : "Right") << " Port): "  << sls::ToString(detectorDataStream[index]);
 }
 
 bool Implementation::getDeactivatedPadding() const {
diff --git a/slsReceiverSoftware/src/Implementation.h b/slsReceiverSoftware/src/Implementation.h
index fa54837d7..ac2a1cf10 100644
--- a/slsReceiverSoftware/src/Implementation.h
+++ b/slsReceiverSoftware/src/Implementation.h
@@ -210,7 +210,11 @@ class Implementation : private virtual slsDetectorDefs {
     bool getActivate() const;
     /** [Eiger] If deactivated, receiver will create dummy data if deactivated
      * padding is enabled (as it will receive nothing from detector) */
-    bool setActivate(const bool enable);
+    void setActivate(const bool enable);
+    bool getDetectorDataStream(const bool leftPort) const;
+    /** [Eiger] If datastream is disabled, receiver will create dummy data if deactivated
+     * padding for that port is enabled (as it will receive nothing from detector) */
+    void setDetectorDataStream(const bool leftPort, const bool enable);    
     bool getDeactivatedPadding() const;
     /* [Eiger] */
     void setDeactivatedPadding(const bool enable);
@@ -346,6 +350,7 @@ class Implementation : private virtual slsDetectorDefs {
     int flippedDataX{0};
     bool quadEnable{false};
     bool activated{true};
+    std::array<bool, 2> detectorDataStream = {{true, true}};
     bool deactivatedPaddingEnable{true};
     int numLinesReadout{MAX_EIGER_ROWS_PER_READOUT};
     int thresholdEnergyeV{-1};
diff --git a/slsReceiverSoftware/src/Listener.cpp b/slsReceiverSoftware/src/Listener.cpp
index f1b1bcee1..9b0aaed55 100644
--- a/slsReceiverSoftware/src/Listener.cpp
+++ b/slsReceiverSoftware/src/Listener.cpp
@@ -22,11 +22,11 @@ const std::string Listener::TypeName = "Listener";
 Listener::Listener(int ind, detectorType dtype, Fifo *f,
                    std::atomic<runStatus> *s, uint32_t *portno, std::string *e,
                    uint64_t *nf, int *us, int *as, uint32_t *fpf,
-                   frameDiscardPolicy *fdp, bool *act, bool *depaden, bool *sm)
+                   frameDiscardPolicy *fdp, bool *act, bool* detds, bool *depaden, bool *sm)
     : ThreadObject(ind, TypeName), fifo(f), myDetectorType(dtype), status(s),
       udpPortNumber(portno), eth(e), numImages(nf), udpSocketBufferSize(us),
       actualUDPSocketBufferSize(as), framesPerFile(fpf), frameDiscardMode(fdp),
-      activated(act), deactivatedPaddingEnable(depaden), silentMode(sm) {
+      activated(act), detectorDataStream(detds), deactivatedPaddingEnable(depaden), silentMode(sm) {
     LOG(logDEBUG) << "Listener " << ind << " created";
 }
 
@@ -94,7 +94,7 @@ void Listener::RecordFirstIndex(uint64_t fnum) {
 void Listener::SetGeneralData(GeneralData *g) { generalData = g; }
 
 void Listener::CreateUDPSockets() {
-    if (!(*activated)) {
+    if (!(*activated) || !(*detectorDataStream)) {
         return;
     }
 
@@ -144,7 +144,7 @@ void Listener::CreateDummySocketForUDPSocketBufferSize(int s) {
     LOG(logINFO) << "Testing UDP Socket Buffer size " << s << " with test port "
                  << *udpPortNumber;
 
-    if (!(*activated)) {
+    if (!(*activated) || !(*detectorDataStream)) {
         *actualUDPSocketBufferSize = (s * 2);
         return;
     }
@@ -201,7 +201,7 @@ void Listener::ThreadExecution() {
                    << std::hex << (void *)(buffer) << std::dec << ":" << buffer;
 
     // udpsocket doesnt exist
-    if (*activated && !udpSocketAlive && !carryOverFlag) {
+    if (*activated && *detectorDataStream && !udpSocketAlive && !carryOverFlag) {
         // LOG(logERROR) << "Listening_Thread " << index << ": UDP Socket not
         // created or shut down earlier";
         (*((uint32_t *)buffer)) = 0;
@@ -210,7 +210,7 @@ void Listener::ThreadExecution() {
     }
 
     // get data
-    if ((*status != TRANSMITTING && (!(*activated) || udpSocketAlive)) ||
+    if ((*status != TRANSMITTING && (!(*activated) || !(*detectorDataStream) || udpSocketAlive)) ||
         carryOverFlag) {
         rc = ListenToAnImage(buffer);
     }
@@ -293,6 +293,10 @@ uint32_t Listener::ListenToAnImage(char *buf) {
     memset(buf, 0, fifohsize);
     new_header = (sls_receiver_header *)(buf + FIFO_HEADER_NUMBYTES);
 
+    // deactivated port (eiger)
+    if (!(*detectorDataStream)) {
+        return 0;
+    }
     // deactivated (eiger)
     if (!(*activated)) {
         // no padding
diff --git a/slsReceiverSoftware/src/Listener.h b/slsReceiverSoftware/src/Listener.h
index 5f6bdc46e..eff5800dc 100644
--- a/slsReceiverSoftware/src/Listener.h
+++ b/slsReceiverSoftware/src/Listener.h
@@ -37,12 +37,13 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
      * @param fpf pointer to frames per file
      * @param fdp frame discard policy
      * @param act pointer to activated
+     * @param detds pointer to detector data stream
      * @param depaden pointer to deactivated padding enable
      * @param sm pointer to silent mode
      */
     Listener(int ind, detectorType dtype, Fifo *f, std::atomic<runStatus> *s,
              uint32_t *portno, std::string *e, uint64_t *nf, int *us, int *as,
-             uint32_t *fpf, frameDiscardPolicy *fdp, bool *act, bool *depaden,
+             uint32_t *fpf, frameDiscardPolicy *fdp, bool *act, bool* detds, bool *depaden,
              bool *sm);
 
     /**
@@ -187,6 +188,9 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
     /** Activated/Deactivated */
     bool *activated;
 
+    /** detector data stream */
+    bool* detectorDataStream;
+
     /** Deactivated padding enable */
     bool *deactivatedPaddingEnable;
 
diff --git a/slsSupportLib/include/sls/sls_detector_defs.h b/slsSupportLib/include/sls/sls_detector_defs.h
index 28a6403a9..5b15b0630 100644
--- a/slsSupportLib/include/sls/sls_detector_defs.h
+++ b/slsSupportLib/include/sls/sls_detector_defs.h
@@ -459,6 +459,8 @@ typedef struct {
         int64_t subExpTimeNs{0};
         int64_t subDeadTimeNs{0};
         int activate{0};
+        int dataStreamLeft{0};
+        int dataStreamRight{0};
         int quad{0};
         int numLinesReadout{0};
         int thresholdEnergyeV[3]{0, 0, 0};
diff --git a/slsSupportLib/include/sls/sls_detector_funcs.h b/slsSupportLib/include/sls/sls_detector_funcs.h
index 061964010..e0f46f96a 100755
--- a/slsSupportLib/include/sls/sls_detector_funcs.h
+++ b/slsSupportLib/include/sls/sls_detector_funcs.h
@@ -330,6 +330,7 @@ enum detFuncs {
     F_GET_RECEIVER_STREAMING_HWM,
     F_SET_RECEIVER_STREAMING_HWM,
     F_RECEIVER_SET_ALL_THRESHOLD,
+    F_RECEIVER_SET_DATASTREAM,
 
     NUM_REC_FUNCTIONS
 };
@@ -658,7 +659,7 @@ const char* getFunctionNameFromEnum(enum detFuncs func) {
     case F_GET_RECEIVER_STREAMING_HWM:      return "F_GET_RECEIVER_STREAMING_HWM";
     case F_SET_RECEIVER_STREAMING_HWM:      return "F_SET_RECEIVER_STREAMING_HWM";
     case F_RECEIVER_SET_ALL_THRESHOLD:      return "F_RECEIVER_SET_ALL_THRESHOLD";
-
+    case F_RECEIVER_SET_DATASTREAM:         return "F_RECEIVER_SET_DATASTREAM";
 
     case NUM_REC_FUNCTIONS: 				return "NUM_REC_FUNCTIONS";
 	default:								return "Unknown Function";
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index 2fcef8069..b8fc94ae9 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -10,4 +10,4 @@
 #define APIMYTHEN3   0x210621
 #define APIMOENCH    0x210621
 
-#define APIEIGER 0x210702
+#define APIEIGER 0x210705
diff --git a/slsSupportLib/src/ToString.cpp b/slsSupportLib/src/ToString.cpp
index 3d5b92de5..8593d4fb8 100644
--- a/slsSupportLib/src/ToString.cpp
+++ b/slsSupportLib/src/ToString.cpp
@@ -52,6 +52,8 @@ std::string ToString(const slsDetectorDefs::rxParameters &r) {
         << "subDeadTime:" << ToString(std::chrono::nanoseconds(r.subDeadTimeNs))
         << std::endl
         << "activate:" << r.activate << std::endl
+        << "leftDataStream:" << r.dataStreamLeft << std::endl
+        << "rightDataStream:" << r.dataStreamRight << std::endl       
         << "quad:" << r.quad << std::endl
         << "numLinesReadout:" << r.numLinesReadout << std::endl
         << "thresholdEnergyeV:" << ToString(r.thresholdEnergyeV) << std::endl