diff --git a/adapters/simulated_olt/adaptercore/device_handler.go b/adapters/simulated_olt/adaptercore/device_handler.go
index dd9b2b6..c61ca14 100644
--- a/adapters/simulated_olt/adaptercore/device_handler.go
+++ b/adapters/simulated_olt/adaptercore/device_handler.go
@@ -316,3 +316,20 @@
 	// For now we do nothing with it
 	return
 }
+
+func (dh *DeviceHandler) ReconcileDevice(device *voltha.Device) {
+	// Update the device info
+	cloned := proto.Clone(device).(*voltha.Device)
+	cloned.ConnectStatus = voltha.ConnectStatus_REACHABLE
+	cloned.OperStatus = voltha.OperStatus_ACTIVE
+
+	dh.device = cloned
+
+	// Update the device state
+	if err := dh.coreProxy.DeviceStateUpdate(nil, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+		log.Errorw("error-creating-nni-port", log.Fields{"deviceId": device.Id, "error": err})
+	}
+
+	// Since we don't know how long we were down, let's reconcile the child devices
+	go dh.coreProxy.ReconcileChildDevices(nil, cloned.Id)
+}
diff --git a/adapters/simulated_olt/adaptercore/simulated_olt.go b/adapters/simulated_olt/adaptercore/simulated_olt.go
index 8b6d47e..2204a6e 100644
--- a/adapters/simulated_olt/adaptercore/simulated_olt.go
+++ b/adapters/simulated_olt/adaptercore/simulated_olt.go
@@ -157,7 +157,20 @@
 }
 
 func (so *SimulatedOLT) Reconcile_device(device *voltha.Device) error {
-	return errors.New("UnImplemented")
+	if device == nil {
+		log.Warn("device-is-nil")
+		return errors.New("nil-device")
+	}
+	log.Infow("reconcile-device", log.Fields{"deviceId": device.Id})
+	var handler *DeviceHandler
+	handler = so.getDeviceHandler(device.Id)
+	if handler == nil {
+		//	Adapter has restarted
+		handler = NewDeviceHandler(so.coreProxy, device, so)
+		so.addDeviceHandlerToMap(handler)
+	}
+	go handler.ReconcileDevice(device)
+	return nil
 }
 
 func (so *SimulatedOLT) Abandon_device(device *voltha.Device) error {