diff --git a/ohmpi/hardware_system.py b/ohmpi/hardware_system.py
index 11830d8821cd6b2b4d7b5ca84932c260b9495a2d..5b5c418eb9133a9d4fd87d53590a9143fd7ea081 100644
--- a/ohmpi/hardware_system.py
+++ b/ohmpi/hardware_system.py
@@ -157,6 +157,7 @@ class OhmPiHardware:
             mux_config['id'] = mux_id
 
             self.mux_boards[mux_id] = mux_module.Mux(**mux_config)
+            print(self.mux_boards[mux_id].cabling)
 
         self.mux_barrier = Barrier(len(self.mux_boards) + 1)
         self._cabling = {}
@@ -164,7 +165,7 @@ class OhmPiHardware:
             mux.barrier = self.mux_barrier
             for k, v in mux.cabling.items():
                 update_dict(self._cabling, {k: (mux_id, k[0])})   #TODO: in theory k[0] is not needed in values
-
+        print(self._cabling)
         # Complete OhmPiHardware initialization
         self.readings = np.array([])  # time series of acquired data
         self._start_time = None  # time of the beginning of a readings acquisition