diff --git a/orchagent/p4orch/tests/fake_portorch.cpp b/orchagent/p4orch/tests/fake_portorch.cpp
index f16ff2409a..379e99bc86 100644
--- a/orchagent/p4orch/tests/fake_portorch.cpp
+++ b/orchagent/p4orch/tests/fake_portorch.cpp
@@ -623,7 +623,7 @@ void PortsOrch::updateDbPortOperSpeed(Port &port, sai_uint32_t speed)
 {
 }
 
-void PortsOrch::getPortSerdesVal(const std::string &s, std::vector<uint32_t> &lane_values)
+void PortsOrch::getPortSerdesVal(const std::string &s, std::vector<uint32_t> &lane_values, int base)
 {
 }
 
diff --git a/orchagent/portsorch.cpp b/orchagent/portsorch.cpp
index 5cd16df6b4..b2ec952a59 100755
--- a/orchagent/portsorch.cpp
+++ b/orchagent/portsorch.cpp
@@ -6789,7 +6789,8 @@ void PortsOrch::removePortSerdesAttribute(sai_object_id_t port_id)
 }
 
 void PortsOrch::getPortSerdesVal(const std::string& val_str,
-                                 std::vector<uint32_t> &lane_values)
+                                 std::vector<uint32_t> &lane_values,
+                                 int base)
 {
     SWSS_LOG_ENTER();
 
@@ -6799,23 +6800,7 @@ void PortsOrch::getPortSerdesVal(const std::string& val_str,
 
     while (std::getline(iss, lane_str, ','))
     {
-        lane_val = (uint32_t)std::stoul(lane_str, NULL, 16);
-        lane_values.push_back(lane_val);
-    }
-}
-
-void PortsOrch::getPortSerdesValBase10(const std::string& val_str,
-                                       std::vector<uint32_t> &lane_values)
-{
-    SWSS_LOG_ENTER();
-
-    uint32_t lane_val;
-    std::string lane_str;
-    std::istringstream iss(val_str);
-
-    while (std::getline(iss, lane_str, ','))
-    {
-        lane_val = (uint32_t)std::stoul(lane_str, NULL, 10);
+        lane_val = (uint32_t)std::stoul(lane_str, NULL, base);
         lane_values.push_back(lane_val);
     }
 }
@@ -7199,7 +7184,7 @@ bool PortsOrch::initGearboxPort(Port &port)
             for (auto pair: tx_fir_strings_system_side) {
                 if (m_gearboxInterfaceMap[port.m_index].tx_firs.find(pair.first) != m_gearboxInterfaceMap[port.m_index].tx_firs.end() ) {
                     attr_val.clear();
-                    getPortSerdesValBase10(m_gearboxInterfaceMap[port.m_index].tx_firs[pair.first], attr_val);
+                    getPortSerdesVal(m_gearboxInterfaceMap[port.m_index].tx_firs[pair.first], attr_val, 10);
                     serdes_attr.insert(serdes_attr_pair(pair.second, attr_val));
                 }
             }
@@ -7219,7 +7204,7 @@ bool PortsOrch::initGearboxPort(Port &port)
             for (auto pair: tx_fir_strings_line_side) {
                 if (m_gearboxInterfaceMap[port.m_index].tx_firs.find(pair.first) != m_gearboxInterfaceMap[port.m_index].tx_firs.end() ) {
                     attr_val.clear();
-                    getPortSerdesValBase10(m_gearboxInterfaceMap[port.m_index].tx_firs[pair.first], attr_val);
+                    getPortSerdesVal(m_gearboxInterfaceMap[port.m_index].tx_firs[pair.first], attr_val, 10);
                     serdes_attr.insert(serdes_attr_pair(pair.second, attr_val));
                 }
             }
diff --git a/orchagent/portsorch.h b/orchagent/portsorch.h
index cdc78f881a..dfa1cd0687 100755
--- a/orchagent/portsorch.h
+++ b/orchagent/portsorch.h
@@ -406,8 +406,7 @@ class PortsOrch : public Orch, public Subject
     void refreshPortStateAutoNeg(const Port &port);
     void refreshPortStateLinkTraining(const Port &port);
 
-    void getPortSerdesVal(const std::string& s, std::vector<uint32_t> &lane_values);
-    void getPortSerdesValBase10(const std::string& s, std::vector<uint32_t> &lane_values);
+    void getPortSerdesVal(const std::string& s, std::vector<uint32_t> &lane_values, int base = 16);
     bool getPortAdvSpeedsVal(const std::string &s, std::vector<uint32_t> &speed_values);
     bool getPortInterfaceTypeVal(const std::string &s, sai_port_interface_type_t &interface_type);
     bool getPortAdvInterfaceTypesVal(const std::string &s, std::vector<uint32_t> &type_values);
diff --git a/tests/test_gearbox.py b/tests/test_gearbox.py
index 10e10ed43b..6707213990 100644
--- a/tests/test_gearbox.py
+++ b/tests/test_gearbox.py
@@ -104,8 +104,10 @@ def __init__(self, db_id: int, connector: str, gearbox: Gearbox):
                 ("SAI_PORT_SERDES_ATTR_TX_FIR_MAIN", "tx_fir_main"),
                 ("SAI_PORT_SERDES_ATTR_TX_FIR_PRE1", "tx_fir_pre1"),
                 ("SAI_PORT_SERDES_ATTR_TX_FIR_PRE2", "tx_fir_pre2"),
+                ("SAI_PORT_SERDES_ATTR_TX_FIR_PRE3", "tx_fir_pre3"),
                 ("SAI_PORT_SERDES_ATTR_TX_FIR_POST1", "tx_fir_post1"),
                 ("SAI_PORT_SERDES_ATTR_TX_FIR_POST2", "tx_fir_post2"),
+                ("SAI_PORT_SERDES_ATTR_TX_FIR_POST3", "tx_fir_post3"),
             ]:
                 if asic_db_key not in fvs:
                    continue