diff --git a/py-scripts/tools/ct_AX88U_dut.json b/py-scripts/tools/ct_001_AX88U_dut.json
similarity index 100%
rename from py-scripts/tools/ct_AX88U_dut.json
rename to py-scripts/tools/ct_001_AX88U_dut.json
diff --git a/py-scripts/tools/ct_004_AX88U_dut.json b/py-scripts/tools/ct_004_AX88U_dut.json
new file mode 100644
index 00000000..56165911
--- /dev/null
+++ b/py-scripts/tools/ct_004_AX88U_dut.json
@@ -0,0 +1,26 @@
+{
+    "ct_AX88U_dut":{
+        "Notes":[
+            "This json file is used as an input to the ./lf_check.py file",
+            "The variables that are all capitalized below are replaced with configuration",
+            "from the json file. so LF_MGR_IP in the test below is replaced by the json lf_mgr_ip",
+            "The replacement is loosely coupled so the upper and lower case convention is used",
+            "to identify replaced strings in the lf_check.py code.",
+            "The dut related configuration is contained in this file"
+        ]  
+    },
+    "test_dut":{
+        "dut_set_name": "DUT_NAME ASUSRT-AX88U",
+        "dut_name": "ASUSRT-AX88U",
+        "dut_bssid_2g": "d4:5d:64:a0:7f:78",
+        "dut_bssid_5g": "d4:5d:64:a0:7f:7c",
+        "dut_sw": "3.0.0.4.386_44266",
+        "ssid_5g_used": "asus11ax-5",
+        "ssid_5g_pw_used": "hello123",
+        "security_5g_used": "wpa2",
+        "ssid_2g_used": "asus11ax-2",
+        "ssid_2g_pw_used": "hello123",
+        "security_2g_used": "wpa2"
+    }
+}
+			
\ No newline at end of file