diff --git a/configurations/system1_chassis.json b/configurations/system1_chassis.json
index 927fb3ff..0a0bac31 100644
--- a/configurations/system1_chassis.json
+++ b/configurations/system1_chassis.json
@@ -43,15 +43,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan1 connector",
+            "BindConnector": "Fan2 connector",
             "Bus": 6,
             "Index": 1,
             "MaxReading": 14500,
-            "Name": "Fan1b_in",
+            "Name": "Fan2a_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN0_PRESENCE_R_N",
+                "PinName": "FAN1_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -84,15 +84,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan2 connector",
+            "BindConnector": "Fan3 connector",
             "Bus": 6,
             "Index": 2,
             "MaxReading": 14500,
-            "Name": "Fan2a_in",
+            "Name": "Fan3a_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN1_PRESENCE_R_N",
+                "PinName": "FAN2_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -125,15 +125,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan2 connector",
+            "BindConnector": "Fan4 connector",
             "Bus": 6,
             "Index": 3,
             "MaxReading": 14500,
-            "Name": "Fan2b_in",
+            "Name": "Fan4a_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN1_PRESENCE_R_N",
+                "PinName": "FAN3_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -166,15 +166,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan3 connector",
+            "BindConnector": "Fan5 connector",
             "Bus": 6,
             "Index": 4,
             "MaxReading": 14500,
-            "Name": "Fan3a_in",
+            "Name": "Fan5a_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN2_PRESENCE_R_N",
+                "PinName": "FAN4_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -207,15 +207,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan3 connector",
+            "BindConnector": "Fan1 connector",
             "Bus": 6,
             "Index": 5,
             "MaxReading": 14500,
-            "Name": "Fan3b_in",
+            "Name": "Fan1b_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN2_PRESENCE_R_N",
+                "PinName": "FAN0_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -248,15 +248,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan4 connector",
+            "BindConnector": "Fan2 connector",
             "Bus": 6,
             "Index": 6,
             "MaxReading": 14500,
-            "Name": "Fan4a_in",
+            "Name": "Fan2b_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN3_PRESENCE_R_N",
+                "PinName": "FAN1_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -289,15 +289,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan4 connector",
+            "BindConnector": "Fan3 connector",
             "Bus": 6,
             "Index": 7,
             "MaxReading": 14500,
-            "Name": "Fan4b_in",
+            "Name": "Fan3b_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN3_PRESENCE_R_N",
+                "PinName": "FAN2_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [
@@ -330,15 +330,15 @@
         },
         {
             "Address": "0x52",
-            "BindConnector": "Fan5 connector",
+            "BindConnector": "Fan4 connector",
             "Bus": 6,
             "Index": 8,
             "MaxReading": 14500,
-            "Name": "Fan5a_in",
+            "Name": "Fan4b_in",
             "PowerState": "Always",
             "Presence": {
                 "MonitorType": "Polling",
-                "PinName": "FAN4_PRESENCE_R_N",
+                "PinName": "FAN3_PRESENCE_R_N",
                 "Polarity": "Low"
             },
             "Thresholds": [