diff --git a/Appl/CEP/CS1/CS1_BGLProc/src/AH_BGL_Processing.cc b/Appl/CEP/CS1/CS1_BGLProc/src/AH_BGL_Processing.cc
index ebe8335d5b52961690d7a408097e973f4f41454b..49894d41661b78ea1802e7833d37cd161889ee9e 100644
--- a/Appl/CEP/CS1/CS1_BGLProc/src/AH_BGL_Processing.cc
+++ b/Appl/CEP/CS1/CS1_BGLProc/src/AH_BGL_Processing.cc
@@ -32,15 +32,14 @@
 #include <CS1_Interface/Stub_BGL_Subband.h>
 //#include <CS1_Interface/Stub_BGL_RFI_Mitigation.h>
 #include <CS1_Interface/Stub_BGL_Visibilities.h>
-// tinyCEP
+#include <Transport/BGLConnection.h>
 
-// Transporters
 #if defined HAVE_MPI
 #include <Transport/TH_MPI.h>
 #endif
 
 #if defined USE_ZOID
-#include <CS1_Interface/TH_ZoidClient.h>
+#include <CS1_BGLProc/TH_ZoidClient.h>
 #endif
 
 #include <Blob/KeyValueMap.h>
@@ -135,6 +134,8 @@ void AH_BGL_Processing::define(const KeyValueMap&) {
   unsigned psetsPerCell	     = itsParamSet.getInt32("BGLProc.PsetsPerCell");
   unsigned usedNodesPerPset  = itsParamSet.getInt32("BGLProc.NodesPerPset");
   unsigned nrSubbandsPerPset = itsParamSet.getInt32("General.SubbandsPerPset");
+  bool	   connectInput	     = itsParamSet.getBool("Connections.InputToBGLProc");
+  bool	   connectOutput     = itsParamSet.getBool("Connections.BGLProcToStorage");
 
   ASSERTSTR(nrSubBands <= baseFreqs.size(), "Not enough base frequencies in Data.RefFreqs specified");
 
@@ -184,12 +185,27 @@ void AH_BGL_Processing::define(const KeyValueMap&) {
 
 #if defined USE_ZOID
       TH_ZoidClient *th = new TH_ZoidClient();
-      Connection    *conn = new Connection("zoid", 0, dm.getGeneralInHolder(WH_BGL_Processing::SUBBAND_CHANNEL), th, true);
-      dm.setInConnection(WH_BGL_Processing::SUBBAND_CHANNEL, conn);
+
+      if (connectInput) {
+	Connection *in = new BGLConnection("zoid", 0, dm.getGeneralInHolder(WH_BGL_Processing::SUBBAND_CHANNEL), th);
+	dm.setInConnection(WH_BGL_Processing::SUBBAND_CHANNEL, in);
+      }
+
+      if (connectOutput) {
+#if 1
+	Connection *out = new BGLConnection("zoid", dm.getGeneralOutHolder(WH_BGL_Processing::VISIBILITIES_CHANNEL), 0, th);
+	dm.setOutConnection(WH_BGL_Processing::VISIBILITIES_CHANNEL, out);
 #else
-      itsSubbandStub->connect(cell, cellCore, dm, WH_BGL_Processing::SUBBAND_CHANNEL);
+	itsVisibilitiesStub->connect(cell, cellCore, dm, WH_BGL_Processing::VISIBILITIES_CHANNEL);
+#endif
+      }
+#else
+      if (connectInput)
+	itsSubbandStub->connect(cell, cellCore, dm, WH_BGL_Processing::SUBBAND_CHANNEL);
 //    itsRFI_MitigationStub->connect(cell, cellCore, dm, WH_BGL_Processing::RFI_MITIGATION_CHANNEL);
-      itsVisibilitiesStub->connect(cell, cellCore, dm, WH_BGL_Processing::VISIBILITIES_CHANNEL);
+
+      if (connectOutput)
+	itsVisibilitiesStub->connect(cell, cellCore, dm, WH_BGL_Processing::VISIBILITIES_CHANNEL);
 #endif
 
 #if defined HAVE_BGL
diff --git a/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.cc b/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.cc
index e04c10fe4070dd408c55878cf1e36367a336a210..3198f5dd363799a83bd040ceb607396c66c9de24 100644
--- a/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.cc
+++ b/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.cc
@@ -1180,6 +1180,8 @@ WH_BGL_Processing::WH_BGL_Processing(const string& name, unsigned coreNumber, co
   itsCurrentSubband   = itsFirstSubband + coreNumber % nrNodesPerPset % nrSubbandsPerPset;
   itsSubbandIncrement = nrNodesPerPset % nrSubbandsPerPset;
 
+  itsInputConnected   = ps.getBool("Connections.InputToBGLProc");
+
   getDataManager().addInDataHolder(SUBBAND_CHANNEL, new DH_Subband("input", ps));
 //getDataManager().addInDataHolder(RFI_MITIGATION_CHANNEL, new DH_RFI_Mitigation("RFI"));
   getDataManager().addOutDataHolder(VISIBILITIES_CHANNEL, new DH_Visibilities("output", ps));
@@ -1787,7 +1789,8 @@ void WH_BGL_Processing::process()
   readTimer.start();
   getDataManager().readyWithInHolder(SUBBAND_CHANNEL);
 #if defined SPARSE_FLAGS
-  get_DH_Subband()->getExtraData();
+  if (itsInputConnected)
+    get_DH_Subband()->getExtraData();
 #endif
   readTimer.stop();
 
diff --git a/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.h b/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.h
index cf919eed5f978aeadfff309b28ed6ed486d52c18..5a0c813e97a7305bc26a09f600897e32c4b58f23 100644
--- a/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.h
+++ b/Appl/CEP/CS1/CS1_BGLProc/src/WH_BGL_Processing.h
@@ -139,6 +139,7 @@ class WH_BGL_Processing: public WorkHolder {
     const ACC::APS::ParameterSet &itsPS;
     const unsigned  itsCoreNumber;
     unsigned        itsFirstSubband, itsCurrentSubband, itsLastSubband, itsSubbandIncrement;
+    bool	    itsInputConnected;
 
     static FIR	    itsFIRs[NR_STATIONS][NR_POLARIZATIONS][NR_SUBBAND_CHANNELS] CACHE_ALIGNED;
 
diff --git a/Appl/CEP/CS1/CS1_Interface/src/CS1.parset b/Appl/CEP/CS1/CS1_Interface/src/CS1.parset
index 4f2d19be5bf33af20239a5288ee7a377ef9531c5..08c782eecab2db32f909cf77a87ca8c240b3645c 100644
--- a/Appl/CEP/CS1/CS1_Interface/src/CS1.parset
+++ b/Appl/CEP/CS1/CS1_Interface/src/CS1.parset
@@ -19,6 +19,9 @@ Connections.Input_BGLProc.Ports  =[8000,8001,8002,8003,8004,8005,8006,8007,8008,
 Connections.BGLProc_Storage.Ports=[8200,8201,8202,8203,8204,8205,8206,8207,8208,8209,8210,8211,8212,8213,8214,8215]
 Connections.AMC.Port             =31337
 
+Connections.InputToBGLProc	= T
+Connections.BGLProcToStorage	= T
+
 # The format of the data
 Observation.NSubbands=4
 Observation.NChannels = 256
diff --git a/Appl/CEP/CS1/CS1_Run/src/CS1.parset b/Appl/CEP/CS1/CS1_Run/src/CS1.parset
index d571290426652c4bca3fb171d909da3c5acb88c3..cbcdbfee574cc80fec0ec6e90eb047b848669d55 100644
--- a/Appl/CEP/CS1/CS1_Run/src/CS1.parset
+++ b/Appl/CEP/CS1/CS1_Run/src/CS1.parset
@@ -20,6 +20,9 @@ Connections.Input_BGLProc.Ports  =[8000, 8001, 8002, 8003, 8004, 8005, 8006, 800
 Connections.BGLProc_Storage.Ports=[8200, 8201, 8202, 8203, 8204, 8205, 8206, 8207, 8208, 8209, 8210, 8211, 8212, 8213, 8214, 8215, 8216, 8217, 8218, 8219, 8220, 8221, 8222, 8223, 8224, 8225, 8226, 8227, 8228, 8229, 8230, 8231, 8232, 8233, 8234, 8235, 8236, 8237, 8238, 8239, 8240, 8241, 8242, 8243, 8244, 8245, 8246, 8247, 8248, 8249, 8250, 8251, 8252, 8253, 8254, 8255, 8256, 8257, 8258, 8259, 8260, 8261, 8262, 8263]
 Connections.AMC.Port             =31337
 
+Connections.InputToBGLProc	= T
+Connections.BGLProcToStorage	= T
+
 # The format of the data
 Observation.NChannels = 256
 Observation.NPolarisations=2