diff --git a/python/adapters/extensions/alarms/onu/__init__.py b/python/adapters/extensions/alarms/onu/__init__.py
new file mode 100644
index 0000000..b0fb0b2
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
diff --git a/python/adapters/extensions/alarms/onu/onu_activation_fail_alarm.py b/python/adapters/extensions/alarms/onu/onu_activation_fail_alarm.py
new file mode 100644
index 0000000..2bf054e
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_activation_fail_alarm.py
@@ -0,0 +1,30 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuActivationFailAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuActivationFailAlarm, self).__init__(alarm_mgr, object_type='onu ACTIVATION FAIL',
+                                          alarm='ONU_ACTIVATION_FAIL',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_active_alarm.py b/python/adapters/extensions/alarms/onu/onu_active_alarm.py
new file mode 100644
index 0000000..a139875
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_active_alarm.py
@@ -0,0 +1,50 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+
+
+class OnuActiveAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, device_id, pon_id, onu_serial_number,
+                 reg_id, olt_serial_number, ipv4_address=None):
+        super(OnuActiveAlarm, self).__init__(alarm_mgr, object_type='ONU',
+                                             alarm='ONU_ACTIVATED',
+                                             alarm_category=AlarmEventCategory.PON,
+                                             resource_id=pon_id,
+                                             alarm_type=AlarmEventType.EQUIPMENT,
+                                             alarm_severity=AlarmEventSeverity.CRITICAL)
+        self._pon_id = pon_id
+        self._onu_serial_number = onu_serial_number
+        self._device_id = device_id
+        self._olt_serial_number = olt_serial_number
+        self._host = ipv4_address
+        self._reg_id = reg_id
+
+    def get_context_data(self):
+        data = {
+            'pon-id': self._pon_id,
+            'serial-number': self._onu_serial_number,
+            'olt_serial_number': self._olt_serial_number,
+            'device_id': self._device_id,
+            'registration_id': self._reg_id
+        }
+        if self._host is not None:
+            data['host'] = self._host
+
+        return data
+
+    def clear_alarm(self):
+        raise NotImplementedError('ONU Active Alarms are auto-clear')
+
diff --git a/python/adapters/extensions/alarms/onu/onu_discovery_alarm.py b/python/adapters/extensions/alarms/onu/onu_discovery_alarm.py
new file mode 100644
index 0000000..c7da2bc
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_discovery_alarm.py
@@ -0,0 +1,36 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuDiscoveryAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, pon_id, serial_number):
+        super(OnuDiscoveryAlarm, self).__init__(alarm_mgr, object_type='ONU Discovery',
+                                                alarm='ONU_DISCOVERY',
+                                                alarm_category=AlarmEventCategory.PON,
+                                                resource_id=pon_id,
+                                                alarm_type=AlarmEventType.EQUIPMENT,
+                                                alarm_severity=AlarmEventSeverity.MAJOR)
+        self._pon_id = pon_id
+        self._serial_number = serial_number
+
+    def get_context_data(self):
+        return {
+            'pon-id': self._pon_id,
+            'serial-number': self._serial_number
+        }
+
+    def clear_alarm(self):
+        raise NotImplementedError('ONU Discovery Alarms are auto-clear')
diff --git a/python/adapters/extensions/alarms/onu/onu_dying_gasp_alarm.py b/python/adapters/extensions/alarms/onu/onu_dying_gasp_alarm.py
new file mode 100644
index 0000000..52b6850
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_dying_gasp_alarm.py
@@ -0,0 +1,33 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuDyingGaspAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuDyingGaspAlarm, self).__init__(alarm_mgr, object_type='onu DYING_GASP',
+                                                alarm='ONU_DYING_GASP',
+                                                alarm_category=AlarmEventCategory.ONU,
+                                                alarm_type=AlarmEventType.COMMUNICATION,
+                                                alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {
+            'onu-id': self._onu_id,
+            'onu-intf-id': self._intf_id
+        }
diff --git a/python/adapters/extensions/alarms/onu/onu_equipment_alarm.py b/python/adapters/extensions/alarms/onu/onu_equipment_alarm.py
new file mode 100644
index 0000000..e7e3a7a
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_equipment_alarm.py
@@ -0,0 +1,45 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuEquipmentAlarm(AlarmBase):
+    """
+    The ONU Equipment Alarm is reported by both the CircuitPack (ME #6) and
+    the ONT-G (ME # 256) to indicate failure on an internal interface or
+    failed self-test.
+
+    For CircuitPack equipment alarms, the intf_id reported is that of the
+    UNI's logical port number
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+
+    Note: Some ONUs may use this alarm to report a self-test failure or may
+          may report it with a different alarm number specifically for a
+          self-test failure.
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuEquipmentAlarm, self).__init__(alarm_mgr, object_type='onu equipment',
+                                                alarm='ONU_EQUIPMENT',
+                                                alarm_category=AlarmEventCategory.ONU,
+                                                alarm_type=AlarmEventType.EQUIPTMENT,
+                                                alarm_severity=AlarmEventSeverity.CRITICAL)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_high_rx_optical_power_alarm.py b/python/adapters/extensions/alarms/onu/onu_high_rx_optical_power_alarm.py
new file mode 100644
index 0000000..7b59d55
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_high_rx_optical_power_alarm.py
@@ -0,0 +1,37 @@
+# Copyright 2018 the original author or authors.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuHighRxOpticalAlarm(AlarmBase):
+    """
+    The ONU High Tx Optical Power Alarm is reported by the ANI-G (ME # 263) to
+    indicate that the received downstream optical power above threshold..
+
+    For ANI-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuHighRxOpticalAlarm, self).__init__(alarm_mgr, object_type='onu high rx optical power',
+                                                    alarm='ONU_HIGH_RX_OPTICAL',
+                                                    alarm_category=AlarmEventCategory.ONU,
+                                                    alarm_type=AlarmEventType.COMMUNICATION,
+                                                    alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_high_tx_optical_power_alarm.py b/python/adapters/extensions/alarms/onu/onu_high_tx_optical_power_alarm.py
new file mode 100644
index 0000000..64caefe
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_high_tx_optical_power_alarm.py
@@ -0,0 +1,37 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuHighTxOpticalAlarm(AlarmBase):
+    """
+    The ONU High Tx Optical Power Alarm is reported by the ANI-G (ME # 263) to
+    indicate that the received downstream optical power above upper threshold.
+
+    For ANI-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuHighTxOpticalAlarm, self).__init__(alarm_mgr, object_type='onu high tx optical power',
+                                                    alarm='ONU_HIGH_TX_OPTICAL',
+                                                    alarm_category=AlarmEventCategory.ONU,
+                                                    alarm_type=AlarmEventType.COMMUNICATION,
+                                                    alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
\ No newline at end of file
diff --git a/python/adapters/extensions/alarms/onu/onu_laser_bias_current_alarm.py b/python/adapters/extensions/alarms/onu/onu_laser_bias_current_alarm.py
new file mode 100644
index 0000000..8daf5a6
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_laser_bias_current_alarm.py
@@ -0,0 +1,38 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLaserBiasAlarm(AlarmBase):
+    """
+    The ONU Laser Bias Current Alarm is reported by the ANI-G (ME # 263) to
+    indicate that the laser bias current above threshold determined by
+    vendor and that laser end of life is pending
+
+    For ANI-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLaserBiasAlarm, self).__init__(alarm_mgr, object_type='onu laser bias current',
+                                                alarm='ONU_LASER_BIAS_CURRENT',
+                                                alarm_category=AlarmEventCategory.ONU,
+                                                alarm_type=AlarmEventType.EQUIPTMENT,
+                                                alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_laser_eol_alarm.py b/python/adapters/extensions/alarms/onu/onu_laser_eol_alarm.py
new file mode 100644
index 0000000..fa5039c
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_laser_eol_alarm.py
@@ -0,0 +1,36 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLaserEolAlarm(AlarmBase):
+    """
+    The ONU Laser End-of-Lifer Alarm is reported by both the CircuitPack (ME #6)
+    to indicate that failure of transmit laser imminent
+
+    The intf_id reported is that of the UNI's logical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLaserEolAlarm, self).__init__(alarm_mgr, object_type='onu laser EOL',
+                                               alarm='ONU_LASER_EOL',
+                                               alarm_category=AlarmEventCategory.ONU,
+                                               alarm_type=AlarmEventType.EQUIPTMENT,
+                                               alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_lob_alarm.py b/python/adapters/extensions/alarms/onu/onu_lob_alarm.py
new file mode 100644
index 0000000..e595211
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_lob_alarm.py
@@ -0,0 +1,30 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLobAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLobAlarm, self).__init__(alarm_mgr, object_type='onu LOB',
+                                          alarm='ONU_LOB',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_lopc_mic_error_alarm.py b/python/adapters/extensions/alarms/onu/onu_lopc_mic_error_alarm.py
new file mode 100644
index 0000000..cc05cb0
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_lopc_mic_error_alarm.py
@@ -0,0 +1,33 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLopcMicErrorAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLopcMicErrorAlarm, self).__init__(alarm_mgr,  object_type='onu LOPC_MIC_ERROR',
+                                                   alarm='ONU_LOPC_MIC_ERROR',
+                                                   alarm_category=AlarmEventCategory.ONU,
+                                                   alarm_type=AlarmEventType.COMMUNICATION,
+                                                   alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {
+            'onu-id': self._onu_id,
+            'onu-intf-id': self._intf_id
+        }
diff --git a/python/adapters/extensions/alarms/onu/onu_lopc_miss_alarm.py b/python/adapters/extensions/alarms/onu/onu_lopc_miss_alarm.py
new file mode 100644
index 0000000..af695ca
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_lopc_miss_alarm.py
@@ -0,0 +1,33 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLopcMissAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLopcMissAlarm, self).__init__(alarm_mgr, object_type='onu LOPC_MISS',
+                                               alarm='ONU_LOPC_MISS',
+                                               alarm_category=AlarmEventCategory.ONU,
+                                               alarm_type=AlarmEventType.COMMUNICATION,
+                                               alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {
+            'onu-id': self._onu_id,
+            'onu-intf-id': self._intf_id
+        }
diff --git a/python/adapters/extensions/alarms/onu/onu_los_alarm.py b/python/adapters/extensions/alarms/onu/onu_los_alarm.py
new file mode 100644
index 0000000..d2ebb7f
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_los_alarm.py
@@ -0,0 +1,30 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLosAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLosAlarm, self).__init__(alarm_mgr, object_type='onu LOS',
+                                          alarm='ONU_LOS',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_low_rx_optical_power_alarm.py b/python/adapters/extensions/alarms/onu/onu_low_rx_optical_power_alarm.py
new file mode 100644
index 0000000..ee6f4d2
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_low_rx_optical_power_alarm.py
@@ -0,0 +1,37 @@
+# Copyright 2018 the original author or authors.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLowRxOpticalAlarm(AlarmBase):
+    """
+    The ONU Low Rx Optical Power Alarm is reported by the ANI-G (ME # 263) to
+    indicate that the received downstream optical power below threshold.
+
+    For ANI-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLowRxOpticalAlarm, self).__init__(alarm_mgr, object_type='onu low rx optical power',
+                                                   alarm='ONU_LOW_RX_OPTICAL',
+                                                   alarm_category=AlarmEventCategory.ONU,
+                                                   alarm_type=AlarmEventType.COMMUNICATION,
+                                                   alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_low_tx_optical_power_alarm.py b/python/adapters/extensions/alarms/onu/onu_low_tx_optical_power_alarm.py
new file mode 100644
index 0000000..e28a556
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_low_tx_optical_power_alarm.py
@@ -0,0 +1,37 @@
+# Copyright 2018 the original author or authors.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuLowTxOpticalAlarm(AlarmBase):
+    """
+    The ONU Low Tx Optical Power Alarm is reported by the ANI-G (ME # 263) to
+    indicate that the transmit optical power below lower threshold
+
+    For ANI-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuLowTxOpticalAlarm, self).__init__(alarm_mgr, object_type='onu low tx optical power',
+                                                   alarm='ONU_LOW_TX_OPTICAL',
+                                                   alarm_category=AlarmEventCategory.ONU,
+                                                   alarm_type=AlarmEventType.COMMUNICATION,
+                                                   alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_selftest_failure_alarm.py b/python/adapters/extensions/alarms/onu/onu_selftest_failure_alarm.py
new file mode 100644
index 0000000..c742762
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_selftest_failure_alarm.py
@@ -0,0 +1,44 @@
+# Copyright 2018 the original author or authors.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuSelfTestFailureAlarm(AlarmBase):
+    """
+    The ONU Self Test Failure Alarm is reported by both the CircuitPack (ME #6)
+    and the ONT-G (ME # 256) to indicate failure a failed autonomous self-test.
+
+    For CircuitPack equipment alarms, the intf_id reported is that of the
+    UNI's logical port number
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+
+    Note: Some ONUs may use this alarm to report a self-test failure or may
+          may report it with the ONU Equipment Alarm which can also cover a
+          self-test failure.
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuSelfTestFailureAlarm, self).__init__(alarm_mgr, object_type='onu self-test failure',
+                                                      alarm='ONU_SELF_TEST_FAIL',
+                                                      alarm_category=AlarmEventCategory.ONU,
+                                                      alarm_type=AlarmEventType.EQUIPTMENT,
+                                                      alarm_severity=AlarmEventSeverity.CRITICAL)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_signal_degrade_alarm.py b/python/adapters/extensions/alarms/onu/onu_signal_degrade_alarm.py
new file mode 100644
index 0000000..4861f75
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_signal_degrade_alarm.py
@@ -0,0 +1,33 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuSignalDegradeAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id,
+                 inverse_bit_error_rate):
+        super(OnuSignalDegradeAlarm, self).__init__(alarm_mgr, object_type='onu SIGNAL DEGRADE',
+                                          alarm='ONU_SIGNAL_DEGRADE',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+        self._inverse_bit_error_rate=inverse_bit_error_rate
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id,
+                'inverse-bit-error-rate': self._inverse_bit_error_rate}
diff --git a/python/adapters/extensions/alarms/onu/onu_signal_fail_alarm.py b/python/adapters/extensions/alarms/onu/onu_signal_fail_alarm.py
new file mode 100644
index 0000000..bcc629a
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_signal_fail_alarm.py
@@ -0,0 +1,39 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+"""
+    OnuSignalsFailureIndication {
+                fixed32 intf_id = 1;
+                fixed32 onu_id = 2;
+                string status = 3;
+                fixed32 inverse_bit_error_rate = 4;
+"""
+
+class OnuSignalFailAlarm(AlarmBase):
+    def __init__(self, alarm_mgr, onu_id, intf_id, inverse_bit_error_rate):
+        super(OnuSignalFailAlarm, self).__init__(alarm_mgr, object_type='onu SIGNAL FAIL',
+                                          alarm='ONU_SIGNAL_FAIL',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+        self._inverse_bit_error_rate = inverse_bit_error_rate
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id,
+                'inverse-bit-error-rate': self._inverse_bit_error_rate}
diff --git a/python/adapters/extensions/alarms/onu/onu_startup_alarm.py b/python/adapters/extensions/alarms/onu/onu_startup_alarm.py
new file mode 100644
index 0000000..9960f03
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_startup_alarm.py
@@ -0,0 +1,39 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+"""
+    message OnuStartupFailureIndication {
+    fixed32 intf_id = 1;
+    fixed32 onu_id = 2;
+    string status = 3;
+}
+
+"""
+
+class OnuStartupAlarm(AlarmBase):
+
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuStartupAlarm, self).__init__(alarm_mgr, object_type='onu STARTUP FAIL',
+                                          alarm='ONU_STARTUP_FAIL',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_temp_red_alarm.py b/python/adapters/extensions/alarms/onu/onu_temp_red_alarm.py
new file mode 100644
index 0000000..bfa1623
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_temp_red_alarm.py
@@ -0,0 +1,42 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuTempRedAlarm(AlarmBase):
+    """
+    The ONU Temperature Yellow Alarm is reported by both the CircuitPack
+    (ME #6) and the ONT-G (ME # 256) to indicate no service has been shut
+    down to avoid equipment damage. The operational state of the affected
+    PPTPs indicates the affected services.
+
+    For CircuitPack equipment alarms, the intf_id reported is that of the
+    UNI's logical port number
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuTempRedAlarm, self).__init__(alarm_mgr, object_type='onu temperature red',
+                                              alarm='ONU_TEMP_RED',
+                                              alarm_category=AlarmEventCategory.ONU,
+                                              alarm_type=AlarmEventType.ENVIRONMENT,
+                                              alarm_severity=AlarmEventSeverity.CRITICAL)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_temp_yellow_alarm.py b/python/adapters/extensions/alarms/onu/onu_temp_yellow_alarm.py
new file mode 100644
index 0000000..7a28f81
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_temp_yellow_alarm.py
@@ -0,0 +1,41 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuTempYellowAlarm(AlarmBase):
+    """
+    The ONU Temperature Yellow Alarm is reported by both the CircuitPack
+    (ME #6) and the ONT-G (ME # 256) to indicate no service shutdown at
+    present, but the circuit pack is operating beyond its recommended range.
+
+    For CircuitPack equipment alarms, the intf_id reported is that of the
+    UNI's logical port number
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuTempYellowAlarm, self).__init__(alarm_mgr, object_type='onu temperature yellow',
+                                                 alarm='ONU_TEMP_YELLOW',
+                                                 alarm_category=AlarmEventCategory.ONU,
+                                                 alarm_type=AlarmEventType.ENVIRONMENT,
+                                                 alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_voltage_red_alarm.py b/python/adapters/extensions/alarms/onu/onu_voltage_red_alarm.py
new file mode 100644
index 0000000..506351c
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_voltage_red_alarm.py
@@ -0,0 +1,39 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuVoltageRedAlarm(AlarmBase):
+    """
+    The ONU Voltage Red Alarm is reported by the ONT-G (ME # 256) to
+    indicate some services have been shut down to avoid power collapse.
+    The operational state of the affected PPTPs indicates the affected
+    services.
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuVoltageRedAlarm, self).__init__(alarm_mgr, object_type='onu voltage red',
+                                                 alarm='ONU_VOLTAGE_RED',
+                                                 alarm_category=AlarmEventCategory.ONU,
+                                                 alarm_type=AlarmEventType.COMMUNICATION,
+                                                 alarm_severity=AlarmEventSeverity.CRITICAL)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_voltage_yellow_alarm.py b/python/adapters/extensions/alarms/onu/onu_voltage_yellow_alarm.py
new file mode 100644
index 0000000..1bb3ef6
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_voltage_yellow_alarm.py
@@ -0,0 +1,39 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuVoltageYellowAlarm(AlarmBase):
+    """
+    The ONU Voltage Red Alarm is reported by the ONT-G (ME # 256) to
+    indicate some services have been shut down to avoid power collapse.
+    The operational state of the affected PPTPs indicates the affected
+    services.
+
+    For ONT-G equipment alarms, the intf_id reported is that of the PON/ANI
+    physical port number
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id):
+        super(OnuVoltageYellowAlarm, self).__init__(alarm_mgr, object_type='onu voltage yellow',
+                                                    alarm='ONU_VOLTAGE_YELLOW',
+                                                    alarm_category=AlarmEventCategory.ONU,
+                                                    alarm_type=AlarmEventType.COMMUNICATION,
+                                                    alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id}
diff --git a/python/adapters/extensions/alarms/onu/onu_window_drift_alarm.py b/python/adapters/extensions/alarms/onu/onu_window_drift_alarm.py
new file mode 100644
index 0000000..32d677d
--- /dev/null
+++ b/python/adapters/extensions/alarms/onu/onu_window_drift_alarm.py
@@ -0,0 +1,43 @@
+# Copyright 2017-present Adtran, Inc.
+#
+# 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.
+from voltha.protos.events_pb2 import AlarmEventType, AlarmEventSeverity, AlarmEventCategory
+from voltha.extensions.alarms.adapter_alarms import AlarmBase
+
+
+class OnuWindowDriftAlarm(AlarmBase):
+    """
+    OnuDriftOfWindowIndication {
+            fixed32 intf_id = 1;
+            fixed32 onu_id = 2;
+            string status = 3;
+            fixed32 drift = 4;
+            fixed32 new_eqd = 5;
+        }
+    """
+    def __init__(self, alarm_mgr, onu_id, intf_id, drift, new_eqd):
+        super(OnuWindowDriftAlarm, self).__init__(alarm_mgr, object_type='onu WINDOW DRIFT',
+                                          alarm='ONU_WINDOW_DRIFT',
+                                          alarm_category=AlarmEventCategory.ONU,
+                                          alarm_type=AlarmEventType.COMMUNICATION,
+                                          alarm_severity=AlarmEventSeverity.MAJOR)
+        self._onu_id = onu_id
+        self._intf_id = intf_id
+        self._drift = drift
+        self._new_eqd = new_eqd
+
+    def get_context_data(self):
+        return {'onu-id': self._onu_id,
+                'onu-intf-id': self._intf_id,
+                'drift': self._drift,
+                'new-eqd': self._new_eqd}