Index: NVDataMgmtDGRecords.h
===================================================================
diff -u -rb02c369dad6391be4687f99b49d169e3c212373d -rbdcb684d0519521e50bbc44e6ac276d4d851825e
--- NVDataMgmtDGRecords.h	(.../NVDataMgmtDGRecords.h)	(revision b02c369dad6391be4687f99b49d169e3c212373d)
+++ NVDataMgmtDGRecords.h	(.../NVDataMgmtDGRecords.h)	(revision bdcb684d0519521e50bbc44e6ac276d4d851825e)
@@ -32,7 +32,7 @@
 // ********** public definitions **********
 
 #define MAX_TOP_LEVEL_PN_CHARS                    10U                                                           ///< Max number of characters for top level part number.
-#define MAX_TOP_LEVEL_SN_CHARS                    15U                                                           ///< Max number of characters for top level serial number.
+#define MAX_TOP_LEVEL_SN_CHARS                    20U                                                           ///< Max number of characters for top level serial number.
 #define PRES_SENSORS_RESERVED_SPACE_COUNT         5                                                             ///< Pressure sensors reserved space count.
 #define FLOW_SENSROS_RESERVED_SPACE_COUNT         2                                                             ///< Flow sensors reserved space count.
 #define TEMP_SENSORS_RESERVED_SPACE_COUNT         2                                                             ///< Temperature sensors reserved space count.