diff --git a/scl-extension/src/main/resources/xsd/SCL_CoMPAS.xsd b/scl-extension/src/main/resources/xsd/SCL_CoMPAS.xsd
index f5290af..b4e7610 100644
--- a/scl-extension/src/main/resources/xsd/SCL_CoMPAS.xsd
+++ b/scl-extension/src/main/resources/xsd/SCL_CoMPAS.xsd
@@ -142,6 +142,7 @@ SPDX-License-Identifier: Apache-2.0
             <xs:enumeration value="VIRT"/>
             <xs:enumeration value="ICT"/>
             <xs:enumeration value="SYN"/>
+            <xs:enumeration value="OND"/>
             <xs:enumeration value="ADEFINIR"/>
             <xs:enumeration value="IEDTEST"/>
         </xs:restriction>
@@ -399,6 +400,25 @@ SPDX-License-Identifier: Apache-2.0
         <xs:attribute name="Direction" type="tCompasTopoNodeDirection" use="optional"/>
     </xs:complexType>
 
+    <xs:simpleType name="tCompasLNodeStatus">
+        <xs:annotation>
+            <xs:documentation>Status of the LNode on or off</xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:Name">
+            <xs:enumeration value="on">
+                <xs:annotation>
+                    <xs:documentation>IED/LD/LN.Mod associated to LNode has to be turned on</xs:documentation>
+                </xs:annotation>
+            </xs:enumeration>
+            <xs:enumeration value="off">
+                <xs:annotation>
+                    <xs:documentation>IED/LD/LN.Mod associated to LNode has to be turned off</xs:documentation>
+                </xs:annotation>
+            </xs:enumeration>
+        </xs:restriction>
+    </xs:simpleType>
+
+    <xs:element name="LNodeStatus" type="tCompasLNodeStatus"/>
     <xs:element name="SclName" type="tCompasSclName"/>
     <xs:element name="SclFileType" type="tCompasSclFileType"/>
     <xs:element name="Labels" type="tCompasLabels"/>
@@ -410,4 +430,4 @@ SPDX-License-Identifier: Apache-2.0
     <xs:element name="SystemVersion" type="tCompasSystemVersion"/>
     <xs:element name="Function" type="tCompasFunction"/>
     <xs:element name="Topo" type="tCompasTopo"/>
-</xs:schema>
+</xs:schema>
\ No newline at end of file