diff --git a/core/api/src/main/java/org/onosproject/net/OduCltPort.java b/core/api/src/main/java/org/onosproject/net/OduCltPort.java
new file mode 100644
index 0000000..e5602f3
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/OduCltPort.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Implementation of ODU client port (Optical channel Data Unit).
+ * Also referred to as a T-port or wide band port.
+ * See ITU G.709 "Interfaces for the Optical Transport Network (OTN)"
+ */
+
+public class OduCltPort extends DefaultPort {
+
+    public enum SignalType {
+        CLT_1GBE,
+        CLT_10GBE,
+        CLT_40GBE,
+        CLT_100GBE
+    }
+
+    private final SignalType signalType;
+
+
+    /**
+     * Creates an ODU client port in the specified network element.
+     *
+     * @param element           parent network element
+     * @param number            port number
+     * @param isEnabled         port enabled state
+     * @param signalType        ODU client signal type
+     * @param annotations       optional key/value annotations
+     */
+    public OduCltPort(Element element, PortNumber number, boolean isEnabled,
+                      SignalType signalType, Annotations... annotations) {
+        super(element, number, isEnabled, Type.ODUCLT, 0, annotations);
+        this.signalType = signalType;
+    }
+
+    /**
+     * Returns ODU client signal type.
+     *
+     * @return ODU client signal type
+     */
+    public SignalType signalType() {
+        return signalType;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(number(), isEnabled(), type(), signalType, annotations());
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof OduCltPort) {
+            final OduCltPort other = (OduCltPort) obj;
+            return Objects.equals(this.element().id(), other.element().id()) &&
+                    Objects.equals(this.number(), other.number()) &&
+                    Objects.equals(this.isEnabled(), other.isEnabled()) &&
+                    Objects.equals(this.signalType, other.signalType) &&
+                    Objects.equals(this.annotations(), other.annotations());
+        }
+        return false;
+    }
+
+
+    @Override
+    public String toString() {
+        return toStringHelper(this)
+                .add("element", element().id())
+                .add("number", number())
+                .add("isEnabled", isEnabled())
+                .add("type", type())
+                .add("signalType", signalType)
+                .toString();
+    }
+
+}