Submetering industry terms and vocabulary
Consumers autonomously make purchase for utilities via a variety of purchase channels. Revenue from consumer purchases is collected by the company without any intervention from the Customer and is paid to the Customer
|Meter Serial Number||
This is typically provided through the user interface (or the Meter Card) and is used to locate subsequent information on the Meter Database of the Server.
|Key Revision Number||
If the meter Exists on the Meter Database, then that information must be used. If the meter does not exist on the Database, the information supplied via the Meter Card or Manual Entry may be used.
|Key Management Centre||
The KMC is a secure trust centre that has been setup with Eskom to secure the STS master keys. The KMC also securely codes and distributes STS encoding modules
|Key Change Token|
Gateway Vendor is one of the defined Vendor Types and describes how the Vendor equipment looks
Typically Tokens or Transactions for the specific Engineering Functions as defined in STS. This includes “Set Power Limit”, “Clear Tamper”, “Clear Credit”, etc. See Vend Operation, Credit/Energy Token, FBE Token and Key Change Token.
A credit token updates the credit register of a prepaid meter. The value of the credit token is added to the current credit when the credit token is applied to the meter. The sum of the credit token value and the meters current credit is the resulting credit value.
|Auto Key Change||
The term “Auto Key Change” used to refer to a scenario where the Vending Machine automatically triggered the generation of a Key Change Token when the information on the Meter Database is different from the meter information on the Meter Card. It is recommended that the Online Vending System do not use Auto Key Change. Auto Key change is not ideal for a Client-Server scenario since that makes any subsequent vending operations dependant on a successful previous operations. Such transaction dependencies create several complex error scenarios that will have to be resolved or absorbed in the process.