diff --git a/firmware/axl-stepper/src/main.cpp b/firmware/axl-stepper/src/main.cpp
index e95d3e5aacb052a953d0e0f2d64ca4ac1d2019ce..abb8c0897bf2ae42e78f9e1ff6ba523484825718 100644
--- a/firmware/axl-stepper/src/main.cpp
+++ b/firmware/axl-stepper/src/main.cpp
@@ -12,7 +12,7 @@
 #include "osape_arduino/vp_arduinoSerial.h"
 #include "osape_ucbus/vb_ucBusDrop.h"
 
-OSAP osap("axl-stepper");
+OSAP osap("axl-stepper_y");
 
 VPort_ArduinoSerial vpUSBSerial(&osap, "arduinoUSBSerial", &Serial);
 
@@ -201,8 +201,6 @@ void setup() {
   // setup stepper machine 
   stepper_hw->init(false, 0.0F);
   stepper_hw->setMicrostep(4);
-  // add ro the ucbus... 
-  vbUCBusDrop.broadcastChannels[12] = (new Route())->sib(2);
   // setup controller
   axl_setup();
   // ticker begin:
diff --git a/firmware/axl-stepper/src/osap_config.h b/firmware/axl-stepper/src/osap_config.h
index e55f3b95463cf2b36de9274a8fe35dbeff4c5b40..f94ddc11991022908e22357c21e15e17a03fd82f 100644
--- a/firmware/axl-stepper/src/osap_config.h
+++ b/firmware/axl-stepper/src/osap_config.h
@@ -29,6 +29,6 @@ no warranty is provided, and users accept all liability.
 #define ENDPOINT_ROUTE_MAX_LEN 64 
 
 // count of broadcast channels width, 
-#define VBUS_BROADCAST_CHANNELS 64
+#define VBUS_MAX_BROADCAST_CHANNELS 64 
 
 #endif 
\ No newline at end of file
diff --git a/firmware/axl-stepper/src/osape b/firmware/axl-stepper/src/osape
index 0f72f37a8d46e3f70f8e8cec9c5c63ef319636c9..a9c9de9ccddd1eadfe34688fa162999129b0e59b 160000
--- a/firmware/axl-stepper/src/osape
+++ b/firmware/axl-stepper/src/osape
@@ -1 +1 @@
-Subproject commit 0f72f37a8d46e3f70f8e8cec9c5c63ef319636c9
+Subproject commit a9c9de9ccddd1eadfe34688fa162999129b0e59b
diff --git a/firmware/axl-stepper/src/osape_arduino b/firmware/axl-stepper/src/osape_arduino
index 498c7f326e951b2f69172fa41bc295d53c8d3596..ede9f0b52f1db0e686088441c0e9ab863eb38aa7 160000
--- a/firmware/axl-stepper/src/osape_arduino
+++ b/firmware/axl-stepper/src/osape_arduino
@@ -1 +1 @@
-Subproject commit 498c7f326e951b2f69172fa41bc295d53c8d3596
+Subproject commit ede9f0b52f1db0e686088441c0e9ab863eb38aa7