diff --git a/sonic_platform_base/sonic_sfp/sff8436.py b/sonic_platform_base/sonic_sfp/sff8436.py
index c1ff01f43..9e80fae68 100644
--- a/sonic_platform_base/sonic_sfp/sff8436.py
+++ b/sonic_platform_base/sonic_sfp/sff8436.py
@@ -772,6 +772,14 @@ def calc_rx_power(self, eeprom_data, offset, size):
             'DataNotReady':
                 {'offset': 0,
                  'bit': 0,
+                 'type': 'bitvalue'},
+            'IntL':
+                {'offset': 0,
+                 'bit': 1,
+                 'type': 'bitvalue'},
+            'FlatMem':
+                {'offset': 0,
+                 'bit': 2,
                  'type': 'bitvalue'}}
 
     dom_channel_status = {
@@ -1333,7 +1341,27 @@ def calc_rx_power(self, eeprom_data, offset, size):
              {'offset':14,
               'size':2,
               'type': 'func',
-              'decode': { 'func':calc_bias}}}
+              'decode': { 'func':calc_bias}},
+        'TxPowerHighAlarm':
+             {'offset':16,
+              'size':2,
+              'type': 'func',
+              'decode': { 'func':calc_rx_power}},
+        'TxPowerLowAlarm':
+             {'offset':18,
+              'size':2,
+              'type': 'func',
+              'decode': { 'func':calc_rx_power}},
+        'TxPowerHighWarning':
+             {'offset':20,
+              'size':2,
+              'type': 'func',
+              'decode': { 'func':calc_rx_power}},
+        'TxPowerLowWarning':
+             {'offset':22,
+              'size':2,
+              'type': 'func',
+              'decode': { 'func':calc_rx_power}}}
 
     dom_channel_monitor_masks = {
         'Rx1PowerHighAlarm':
diff --git a/sonic_platform_base/sonic_sfp/sfputilbase.py b/sonic_platform_base/sonic_sfp/sfputilbase.py
index 34b739c60..7ec223966 100644
--- a/sonic_platform_base/sonic_sfp/sfputilbase.py
+++ b/sonic_platform_base/sonic_sfp/sfputilbase.py
@@ -78,7 +78,7 @@
 QSFP_MODULE_THRESHOLD_OFFSET = 128
 QSFP_MODULE_THRESHOLD_WIDTH = 24
 QSFP_CHANNL_THRESHOLD_OFFSET = 176
-QSFP_CHANNL_THRESHOLD_WIDTH = 16
+QSFP_CHANNL_THRESHOLD_WIDTH = 24
 QSFP_CHANNL_MON_MASK_OFFSET = 242
 QSFP_CHANNL_MON_MASK_WIDTH = 4