diff --git a/config/object_ids.py b/config/object_ids.py
index 8548be7..1ae3693 100644
--- a/config/object_ids.py
+++ b/config/object_ids.py
@@ -16,6 +16,7 @@ TMP_1075_2_HANDLER_ID = bytes([0x44, 0x00, 0x00, 0x6])
 HEATER_ID = bytes([0x54, 0x00, 0x00, 0x1])
 PCDU_HANDLER_ID = bytes([0x44, 0x00, 0x10, 0x00])
 SOLAR_ARRAY_DEPLOYMENT_ID = bytes([0x44, 0x00, 0x10, 0x01])
+SYRLINKS_HANDLER = bytes([0x44, 0x00, 0x10, 0x02])
 
 
 def get_object_ids() -> Dict[bytes, list]:
diff --git a/pus_tc/tmtcc_tc_solar_array_deployment.py b/pus_tc/solar_array_deployment.py
similarity index 69%
rename from pus_tc/tmtcc_tc_solar_array_deployment.py
rename to pus_tc/solar_array_deployment.py
index 3ea5f44..6b63cae 100644
--- a/pus_tc/tmtcc_tc_solar_array_deployment.py
+++ b/pus_tc/solar_array_deployment.py
@@ -1,20 +1,20 @@
 # -*- coding: utf-8 -*-
 """
-@file   tmtcc_tc_solar_array_deployment.py
+@file   solar_array_deployment.py
 @brief  The test function in this file simply returns a command which triggers the solar array deployment.
 @author J. Meier
 @date   15.02.2021
 """
-from tmtc_core.core.tmtc_core_definitions import QueueCommands
-from tmtc_core.pus_tc.tmtcc_pus_tc_packer import TcQueueT
-from tmtc_core.pus_tc.tmtcc_pus_tc_base import PusTelecommand
+from tmtccmd.config.definitions import QueueCommands
+from tmtccmd.pus_tc.definitions import TcQueueT
+from tmtccmd.pus_tc.packer import PusTelecommand
 
 
 class ActionIds:
     DEPLOY_SOLAR_ARRAYS = bytearray([0x0, 0x0, 0x0, 0x5])
 
 
-def pack_solar_array_deployment_test_into(object_id: bytearray, tc_queue: TcQueueT) -> TcQueueT:
+def pack_solar_array_deployment_test_into(object_id: bytearray, tc_queue: TcQueueT):
     tc_queue.appendleft((QueueCommands.PRINT, "Testing S/A Deployment"))
 
     command = object_id + ActionIds.DEPLOY_SOLAR_ARRAYS
diff --git a/pus_tc/tmtcc_tc_syrlinks_hk_handler.py b/pus_tc/syrlinks_hk_handler.py
similarity index 68%
rename from pus_tc/tmtcc_tc_syrlinks_hk_handler.py
rename to pus_tc/syrlinks_hk_handler.py
index 74f3caa..b3b8be7 100644
--- a/pus_tc/tmtcc_tc_syrlinks_hk_handler.py
+++ b/pus_tc/syrlinks_hk_handler.py
@@ -1,15 +1,14 @@
 # -*- coding: utf-8 -*-
 """
-@file   tmtcc_tc_syrlinks_hk_handler.py
+@file   syrlinks_hk_handler.py
 @brief  Syrlinks Hk Handler tests
 @author J. Meier
 @date   13.12.2020
 """
 
-from tmtc_core.core.tmtc_core_definitions import QueueCommands
-from tmtc_core.pus_tc.tmtcc_pus_tc_packer import TcQueueT
-from tmtc_core.pus_tc.tmtcc_pus_tc_base import PusTelecommand
-from tmtc_core.pus_tc.tmtcc_tc_service_3_housekeeping import *
+from tmtccmd.config.definitions import QueueCommands
+from tmtccmd.pus_tc.definitions import TcQueueT
+from tmtccmd.pus_tc.service_3_housekeeping import make_sid, generate_one_hk_command
 
 
 class SetIds:
@@ -17,7 +16,7 @@ class SetIds:
     TX_REGISTERS_DATASET = 2
 
 
-def pack_syrlinks_hk_handler_test_into(object_id: bytearray, tc_queue: TcQueueT) -> TcQueueT:
+def pack_syrlinks_hk_handler_test_into(object_id: bytearray, tc_queue: TcQueueT):
     tc_queue.appendleft((QueueCommands.PRINT, "Syrlinks: Get RX Registers"))
     sid = make_sid(object_id, SetIds.RX_REGISTERS_DATASET)
     command = generate_one_hk_command(sid, 200)
@@ -27,5 +26,3 @@ def pack_syrlinks_hk_handler_test_into(object_id: bytearray, tc_queue: TcQueueT)
     sid = make_sid(object_id, SetIds.TX_REGISTERS_DATASET)
     command = generate_one_hk_command(sid, 201)
     tc_queue.appendleft(command.pack_command_tuple())
-
-    return tc_queue
diff --git a/pus_tm/tmtcc_pus_hk_handling_hook.py b/pus_tm/hk_handling_hook.py
similarity index 88%
rename from pus_tm/tmtcc_pus_hk_handling_hook.py
rename to pus_tm/hk_handling_hook.py
index 9a07777..32e6cba 100644
--- a/pus_tm/tmtcc_pus_hk_handling_hook.py
+++ b/pus_tm/hk_handling_hook.py
@@ -7,16 +7,14 @@
 import struct
 from typing import Tuple
 
-from config.tmtcc_object_ids import ObjectIds
-from tmtc_core.pus_tm.tmtcc_tm_service3_base import Service3Base
-from tmtc_core.utility.tmtcc_logger import get_logger
-from config.tmtcc_object_ids import ObjectIds
-from pus_tc.tmtcc_tc_syrlinks_hk_handler import SetIds
-
+from tmtccmd.pus_tm.service_3_housekeeping import Service3Base
+from tmtccmd.utility.logger import get_logger
+from pus_tc.syrlinks_hk_handler import SetIds
+from config.object_ids import SYRLINKS_HANDLER
 LOGGER = get_logger()
 
 
-def handle_user_hk_packet(object_id: ObjectIds, set_id: int, hk_data: bytearray,
+def handle_user_hk_packet(object_id: bytes, set_id: int, hk_data: bytearray,
                           service3_packet: Service3Base) -> Tuple[list, list, bytearray, int]:
     """
     This function is called when a Service 3 Housekeeping packet is received.
@@ -37,7 +35,7 @@ def handle_user_hk_packet(object_id: ObjectIds, set_id: int, hk_data: bytearray,
     the corresponding values. The bytearray is the validity buffer, which is usually appended
     at the end of the housekeeping packet. The last value is the number of parameters.
     """
-    if object_id == ObjectIds.SYRLINKS_HK_HANDLER:
+    if object_id == SYRLINKS_HANDLER:
         if set_id == SetIds.RX_REGISTERS_DATASET:
             return handle_syrlinks_rx_registers_dataset(hk_data)
         elif set_id == SetIds.TX_REGISTERS_DATASET: