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diff --git a/trunk/PLC/Methods/AddPCUProtocolType.py b/trunk/PLC/Methods/AddPCUProtocolType.py
new file mode 100644
index 0000000..76dad3b
--- /dev/null
+++ b/trunk/PLC/Methods/AddPCUProtocolType.py
@@ -0,0 +1,55 @@
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.PCUProtocolTypes import PCUProtocolType, PCUProtocolTypes
+from PLC.PCUTypes import PCUType, PCUTypes
+from PLC.Auth import Auth
+
+can_update = lambda (field, value): field in \
+	     ['pcu_type_id', 'port', 'protocol', 'supported']	
+
+class AddPCUProtocolType(Method):
+    """
+    Adds a new pcu protocol type.
+
+    Returns the new pcu_protocol_type_id (> 0) if successful, faults otherwise.
+    """
+
+    roles = ['admin']
+
+    protocol_type_fields = dict(filter(can_update, PCUProtocolType.fields.items()))
+
+    accepts = [
+        Auth(),
+	Mixed(PCUType.fields['pcu_type_id'],
+              PCUType.fields['model']),
+        protocol_type_fields
+	]
+
+    returns = Parameter(int, 'New pcu_protocol_type_id (> 0) if successful')
+
+    def call(self, auth, pcu_type_id_or_model, protocol_type_fields):
+
+	# Check if pcu type exists
+	pcu_types = PCUTypes(self.api, [pcu_type_id_or_model])
+	if not pcu_types:
+	    raise PLCInvalidArgument, "No such pcu type"
+	pcu_type = pcu_types[0]
+
+	
+	# Check if this port is already used
+	if 'port' not in protocol_type_fields:
+	    raise PLCInvalidArgument, "Must specify a port"
+	else:
+	    protocol_types = PCUProtocolTypes(self.api, {'pcu_type_id': pcu_type['pcu_type_id']})
+	    for protocol_type in protocol_types:
+		if protocol_type['port'] == protocol_type_fields['port']:
+		    raise PLCInvalidArgument, "Port alreay in use" 
+
+	protocol_type_fields = dict(filter(can_update, protocol_type_fields.items()))
+        protocol_type = PCUProtocolType(self.api, protocol_type_fields)
+	protocol_type['pcu_type_id'] = pcu_type['pcu_type_id']
+	protocol_type.sync()
+	self.event_object = {'PCUProtocolType': [protocol_type['pcu_protocol_type_id']]}	
+
+        return protocol_type['pcu_protocol_type_id']