diff --git a/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java
new file mode 100644
index 0000000..f98becd
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/optical/impl/DefaultOduCltPort.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2016-present 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.optical.impl;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onosproject.net.CltSignalType;
+import org.onosproject.net.Port;
+import org.onosproject.net.optical.OduCltPort;
+import org.onosproject.net.optical.utils.ForwardingPort;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * 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)"
+ */
+@Beta
+public class DefaultOduCltPort extends ForwardingPort implements OduCltPort {
+
+    private final CltSignalType signalType;
+
+    /**
+     * Creates an ODU client port.
+     *
+     * @param delegate      Port
+     * @param signalType        ODU client signal type
+     */
+    public DefaultOduCltPort(Port delegate, CltSignalType signalType) {
+        super(delegate);
+        this.signalType = checkNotNull(signalType);
+    }
+
+    @Override
+    public Type type() {
+        return Type.ODUCLT;
+    }
+
+    @Override
+    public long portSpeed() {
+        return signalType().bitRate();
+    }
+
+    @Override
+    public CltSignalType signalType() {
+        return signalType;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(),
+                            signalType());
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+
+        if (obj != null && getClass() == obj.getClass()) {
+            final DefaultOduCltPort that = (DefaultOduCltPort) obj;
+            return super.toEqualsBuilder(that)
+                    .append(this.signalType(), that.signalType())
+                    .isEquals();
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return super.toStringHelper()
+                .add("signalType", signalType())
+                .toString();
+    }
+
+}