diff --git a/app/eparser/ecommons.py b/app/eparser/ecommons.py
index 3c7b5478..b8e36422 100644
--- a/app/eparser/ecommons.py
+++ b/app/eparser/ecommons.py
@@ -100,8 +100,8 @@ class Pilot(Enum):
 
 class SystemCable(Enum):
     """  System of cable service """
-    ANNEX_A = 0
-    ANNEX_C = 1
+    ANNEX_A = "0"
+    ANNEX_C = "1"
 
 
 ROLL_OFF = {"0": "35%", "1": "25%", "2": "20%", "3": "Auto"}
@@ -138,6 +138,8 @@ HIERARCHY = {"0": "Auto", "1": "None", "2": "1", "3": "2", "4": "4"}
 
 T_FEC = {"0": "1/2", "1": "2/3", "2": "3/4", "3": "5/6", "4": "7/8", "5": "Auto", "6": "6/7", "7": "8/9"}
 
+T_SYSTEM = {"0": "DVB-T", "1": "DVB-T2", "2": "DVB-T/T2"}
+
 # Cable
 C_MODULATION = {"0": "Auto", "1": "QAM16", "2": "QAM32", "3": "QAM64", "4": "QAM128", "5": "QAM256"}