Index: Modules/InterPlatformComms/ZigbeeConnector.cpp
===================================================================
--- Modules/InterPlatformComms/ZigbeeConnector.cpp  (revision 4433)
+++ Modules/InterPlatformComms/ZigbeeConnector.cpp  (working copy)
@@ -61,6 +61,7 @@

 ipc::ZigbeeConnector::ZigbeeConnector(VDK::IOID p_device, const ipc::NetworkAddress &p_address, VDK::ThreadID ipcThread)
     : m_open(true),
+      m_device(p_device),
       m_uart( static_cast<VDK::DeviceDescriptor>(UINT_MAX) ),
       m_bucket(128),
       m_tftpport( htons(69) ),
@@ -73,8 +74,7 @@

     // reset Zigbee
     *pPORTHIO_CLEAR = PH6;
-    char flags = O_FLOWDIS;
-    m_uart = VDK::OpenDevice(p_device, &flags);
+    Resume_Impl();
     VDK::Sleep(ZIGBEE_RESET_TOUT);
     *pPORTHIO_SET = PH6;
 }
@@ -338,6 +338,18 @@
     return !m_output.empty();
 }

+void ipc::ZigbeeConnector::Pause_Impl()
+{
+    VDK::CloseDevice(m_uart);
+    m_uart = static_cast<VDK::DeviceDescriptor>(UINT_MAX);
+}
+
+void ipc::ZigbeeConnector::Resume_Impl()
+{
+    char flags = O_FLOWDIS;
+    m_uart = VDK::OpenDevice(m_device, &flags);
+}
+
 void ipc::ZigbeeConnector::DoWrite_Impl()
 {
     utils::ScopedLock lock(m_mutex);
Index: Modules/InterPlatformComms/ZigbeeConnector.hpp
===================================================================
--- Modules/InterPlatformComms/ZigbeeConnector.hpp  (revision 4433)
+++ Modules/InterPlatformComms/ZigbeeConnector.hpp  (working copy)
@@ -103,6 +103,11 @@

     virtual void Close_Impl();

+    virtual void Pause_Impl();
+
+    virtual void Resume_Impl();
+
+    VDK::IOID            m_device;
     ipc::Session::Socket m_uart;
     bool                 m_open;
     uint32_t             m_bucket;
Index: Modules/InterPlatformComms/Reactor.hpp
===================================================================
--- Modules/InterPlatformComms/Reactor.hpp  (revision 4433)
+++ Modules/InterPlatformComms/Reactor.hpp  (working copy)
@@ -111,6 +111,7 @@
     void Pause()
     {
         m_paused = true;
+        Pause_Impl();
         assert(ShouldWrite() == false);
         assert(ShouldRead()  == false);
     }
@@ -118,6 +119,7 @@
     void Resume()
     {
         m_paused = false;
+        Resume_Impl();
     }

     virtual ~Session()
@@ -154,6 +156,8 @@
     virtual void DoWrite_Impl() = 0;
     virtual bool IsOpen_Impl() const = 0;
     virtual void Close_Impl() = 0;
+    virtual void Pause_Impl()  { };
+    virtual void Resume_Impl() { };

     ipc::Reactor *m_reactor;        ///< parent reactor
 };