diff --git a/models/openconfig-infinera/src/main/yang/openconfig-terminal-device@2016-12-22.yang b/models/openconfig-infinera/src/main/yang/openconfig-terminal-device@2016-12-22.yang
index 3bea3e8..9b2dd46 100644
--- a/models/openconfig-infinera/src/main/yang/openconfig-terminal-device@2016-12-22.yang
+++ b/models/openconfig-infinera/src/main/yang/openconfig-terminal-device@2016-12-22.yang
@@ -677,7 +677,8 @@
       "Configuration data for logical channels";
 
     leaf index {
-      type uint32;
+      //type uint32;
+      type string;
       description
         "Index of the current logical channel";
     }