diff --git a/ambed/cftdidevicedescr.cpp b/ambed/cftdidevicedescr.cpp
index 88411a2..cc94c9d 100644
--- a/ambed/cftdidevicedescr.cpp
+++ b/ambed/cftdidevicedescr.cpp
@@ -95,28 +95,28 @@ int CFtdiDeviceDescr::CreateInterfacePair(CFtdiDeviceDescr *descr1, CFtdiDeviceD
     int iNbChs = 0;
 
     // create interface objects
-    if ( (descr1->GetNbChannels() == 1) && (descr1->GetNbChannels() == 1) )
+    if ( (descr1->GetNbChannels() == 1) && (descr2->GetNbChannels() == 1) )
     {
         // create 3000-3000 pair
         CUsb3000Interface *Usb3000A = InstantiateUsb3000(descr1);
         CUsb3000Interface *Usb3000B = InstantiateUsb3000(descr2);
         iNbChs = CreatePair(Usb3000A, Usb3000B, channels);
     }
-    else if ( (descr1->GetNbChannels() == 3) && (descr1->GetNbChannels() == 1) )
+    else if ( (descr1->GetNbChannels() == 3) && (descr2->GetNbChannels() == 1) )
     {
         // create 3003-3000 pair
         CUsb3003Interface *Usb3003 = InstantiateUsb3003(descr1);
         CUsb3000Interface *Usb3000 = InstantiateUsb3000(descr2);
         iNbChs = CreatePair(Usb3003, Usb3000, channels);
    }
-    else if ( (descr1->GetNbChannels() == 1) && (descr1->GetNbChannels() == 3) )
+    else if ( (descr1->GetNbChannels() == 1) && (descr2->GetNbChannels() == 3) )
     {
         // create 3000-3003 pair
         CUsb3000Interface *Usb3000 = InstantiateUsb3000(descr1);
         CUsb3003Interface *Usb3003 = InstantiateUsb3003(descr2);
         iNbChs = CreatePair(Usb3003, Usb3000, channels);
     }
-    else if ( (descr1->GetNbChannels() == 3) && (descr1->GetNbChannels() == 3) )
+    else if ( (descr1->GetNbChannels() == 3) && (descr2->GetNbChannels() == 3) )
     {
         // create 3003-3003 pair
         CUsb3003Interface *Usb3003A = InstantiateUsb3003(descr1);
@@ -390,7 +390,7 @@ int CFtdiDeviceDescr::CreatePair(CUsb3000Interface *Usb3000A, CUsb3000Interface
             Usb3000A->AddChannel(Channel);
             Usb3000B->AddChannel(Channel);
             // ch2
-            Channel = new CVocodecChannel(Usb3000A, 0, Usb3000B, 0, CODECGAIN_AMBE2PLUS);
+            Channel = new CVocodecChannel(Usb3000B, 0, Usb3000A, 0, CODECGAIN_AMBE2PLUS);
             channels->push_back(Channel);
             Usb3000A->AddChannel(Channel);
             Usb3000B->AddChannel(Channel);
diff --git a/ambed/cusb3003df2etinterface.cpp b/ambed/cusb3003df2etinterface.cpp
index 94cd357..29f41e3 100644
--- a/ambed/cusb3003df2etinterface.cpp
+++ b/ambed/cusb3003df2etinterface.cpp
@@ -95,7 +95,7 @@ bool CUsb3003DF2ETInterface::ResetDevice(void)
     int len, i;
     char rxpacket[100];
     
-    std::cout << "Trying DF2ET-3003 soft reset" << std::endl;
+    std::cout << "Trying AMBE3003USB soft reset" << std::endl;
     
     DWORD n, b;
     char txpacket[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
@@ -135,13 +135,13 @@ bool CUsb3003DF2ETInterface::ResetDevice(void)
     ok = ((len == 7) && (rxpacket[4] == PKT_READY));
     if ( ok )
     {
-        std::cout << "DF2ET-3003 soft reset succeeded" << std::endl;
+        std::cout << "AMBE3003USB soft reset succeeded" << std::endl;
     }
     else
     {
-        std::cout << "DF2ET-3003 soft reset failed" << std::endl;
+        std::cout << "AMBE3003USB soft reset failed" << std::endl;
         
-        std::cout << "Trying DF2ET-3003 hard reset" << std::endl;
+        std::cout << "Trying AMBE3003USB hard reset" << std::endl;
         
         ftStatus = FT_ClrDtr( m_FtdiHandle );
         CTimePoint::TaskSleepFor(10);
@@ -152,11 +152,11 @@ bool CUsb3003DF2ETInterface::ResetDevice(void)
         ok = ((len == 7) && (rxpacket[4] == PKT_READY));
         if ( ok )
         {
-            std::cout << "DF2ET-3003 hard reset succeeded" << std::endl;
+            std::cout << "AMBE3003USB hard reset succeeded" << std::endl;
         }
         else
         {
-            std::cout << "DF2ET-3003 hard reset failed" << std::endl;
+            std::cout << "AMBE3003USB hard reset failed" << std::endl;
         }
     }
     return ok;