diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx200Controller.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx200Controller.cs
index 42ecf5c6..4c2e4ef9 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx200Controller.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx200Controller.cs	
@@ -4,12 +4,14 @@ using System.Linq;
 using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -216,6 +218,11 @@ namespace PepperDash.Essentials.DM
             return base.CustomActivate();
         }
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         /// <summary>
         /// Enables or disables free run
         /// </summary>
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx201CController.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx201CController.cs
index 37ee38b3..2231494b 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx201CController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx201CController.cs	
@@ -4,12 +4,14 @@ using System.Linq;
 using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -218,6 +220,11 @@ namespace PepperDash.Essentials.DM
 			return base.CustomActivate();
 		}
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         /// <summary>
         /// Enables or disables free run
         /// </summary>
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx401CController.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx401CController.cs
index 18e91fbe..8765fd73 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx401CController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx401CController.cs	
@@ -5,12 +5,14 @@ using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
 //using Crestron.SimplSharpPro.DeviceSupport;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -215,6 +217,11 @@ namespace PepperDash.Essentials.DM
 			return base.CustomActivate();
 		}
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         public void ExecuteNumericSwitch(ushort input, ushort output, eRoutingSignalType type)
         {
             Debug.Console(2, this, "Executing Numeric Switch to input {0}.", input);
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k100Controller.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k100Controller.cs
index a6f41c95..dcd2c4e0 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k100Controller.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k100Controller.cs	
@@ -1,24 +1,17 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using Crestron.SimplSharp;
-using Crestron.SimplSharpPro;
+using Crestron.SimplSharpPro;
 //using Crestron.SimplSharpPro.DeviceSupport;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
-using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
-
-using PepperDash.Core;
 using PepperDash.Essentials.Core;
-using PepperDash.Essentials.DM.Config;
+using PepperDash.Essentials.Core.Bridges;
 
 namespace PepperDash.Essentials.DM
 {
-    using eVst = Crestron.SimplSharpPro.DeviceSupport.eX02VideoSourceType;
-    using eAst = Crestron.SimplSharpPro.DeviceSupport.eX02AudioSourceType;
+    using eVst = eX02VideoSourceType;
+    using eAst = eX02AudioSourceType;
 
-    public class DmTx4k100Controller : BasicDmTxControllerBase, IRoutingInputsOutputs, IHasFeedback,
+    public class DmTx4k100Controller : DmTxControllerBase, IRoutingInputsOutputs,
         IIROutputPorts, IComPorts, ICec
     {
         public DmTx4K100C1G Tx { get; private set; }
@@ -37,7 +30,7 @@ namespace PepperDash.Essentials.DM
         /// <summary>
         /// Helps get the "real" inputs, including when in Auto
         /// </summary>
-        public Crestron.SimplSharpPro.DeviceSupport.eX02VideoSourceType ActualActiveVideoInput
+        public eX02VideoSourceType ActualActiveVideoInput
         {
             get
                 {
@@ -77,17 +70,11 @@ namespace PepperDash.Essentials.DM
         }
 
 
-
-        public override bool CustomActivate()
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
         {
-            // Link up all of these damned events to the various RoutingPorts via a helper handler
-
-
-            // Base does register and sets up comm monitoring.
-            return base.CustomActivate();
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
         }
 
-
         #region IIROutputPorts Members
         public CrestronCollection<IROutputPort> IROutputPorts { get { return Tx.IROutputPorts; } }
         public int NumberOfIROutputPorts { get { return Tx.NumberOfIROutputPorts; } }
@@ -101,5 +88,7 @@ namespace PepperDash.Essentials.DM
         #region ICec Members
         public Cec StreamCec { get { return Tx.StreamCec; } }
         #endregion
+
+        public override StringFeedback ActiveVideoInputFeedback { get; protected set; }
     }
 }
\ No newline at end of file
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k202CController.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k202CController.cs
index fce45926..073807b6 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k202CController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k202CController.cs	
@@ -5,12 +5,14 @@ using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
 //using Crestron.SimplSharpPro.DeviceSupport;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -186,6 +188,11 @@ namespace PepperDash.Essentials.DM
             return base.CustomActivate();
         }
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         public void ExecuteNumericSwitch(ushort input, ushort output, eRoutingSignalType type)
         {
             Debug.Console(2, this, "Executing Numeric Switch to input {0}.", input);
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k302CController.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k302CController.cs
index baaac013..010fd06b 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k302CController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4k302CController.cs	
@@ -5,12 +5,14 @@ using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
 //using Crestron.SimplSharpPro.DeviceSupport;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -223,6 +225,11 @@ namespace PepperDash.Essentials.DM
 			return base.CustomActivate();
 		}
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         /// <summary>
         /// Enables or disables free run
         /// </summary>
diff --git a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4kz302CController.cs b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4kz302CController.cs
index 2f7dfafd..541b9fe8 100644
--- a/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4kz302CController.cs	
+++ b/essentials-framework/Essentials DM/Essentials_DM/Endpoints/Transmitters/DmTx4kz302CController.cs	
@@ -5,12 +5,14 @@ using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharpPro;
 //using Crestron.SimplSharpPro.DeviceSupport;
+using Crestron.SimplSharpPro.DeviceSupport;
 using Crestron.SimplSharpPro.DM;
 using Crestron.SimplSharpPro.DM.Endpoints;
 using Crestron.SimplSharpPro.DM.Endpoints.Transmitters;
 
 using PepperDash.Core;
 using PepperDash.Essentials.Core;
+using PepperDash.Essentials.Core.Bridges;
 using PepperDash.Essentials.DM.Config;
 
 namespace PepperDash.Essentials.DM
@@ -199,6 +201,11 @@ namespace PepperDash.Essentials.DM
             return base.CustomActivate();
         }
 
+        public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApi bridge)
+        {
+            LinkDmTxToApi(this, trilist, joinStart, joinMapKey, bridge);
+        }
+
         public void ExecuteNumericSwitch(ushort input, ushort output, eRoutingSignalType type)
         {
             Debug.Console(2, this, "Executing Numeric Switch to input {0}.", input);