Authorization Process
1. Cashier insert card in order to perform payment transaction via EDC terminal.
2. Payment transactions send from EDC terminal to Network Access (NAC) that is located in Accellence data center.
3. Network Access switches this payment transaction to CardLinK Acquiring system and validates some information such as merchant and terminal.
4. CardLinK UP Acquiring reformat this payment transaction follow to Union Pay format and route transaction to Union Pay Payment Network for authorization.
5. Union Pay switches this authorization to issuer bank to get approval.
Clearing Process
1. Cashier settles all payment transactions.
2. Transactions send from EDC terminal to Network Access and pass to CardLinK Acquiring system.
3. Acquiring system reformat outgoing file for Union Pay.
4. Union Pay send file to issuer bank.
User Interface Process
The web-based GUI provides intuitive and user-friendly interfaces that facilitate easy navigation.