Aptra Advance Ndc Developer-s Guide File

+-----------------------------------------------------------+ | Central Host | +-----------------------------------------------------------+ │ (NDC Protocol over TCP/IP) ▼ +-----------------------------------------------------------+ | Advance NDC Core | | ┌─────────────────────────┐ ┌───────────────────────┐ | | │ Message Parser/Router │ │ State Table Engine │ | | └─────────────────────────┘ └───────────────────────┘ | +-----------------------------------------------------------+ │ (Internal APIs) ▼ +-----------------------------------------------------------+ | APTRA Platform / XFS | +-----------------------------------------------------------+ │ (XFS SPI) ▼ +-----------------------------------------------------------+ | Hardware Devices | | [Card Reader] [Cash Dispenser] [Receipt Printer] | +-----------------------------------------------------------+ The CEN/XFS Middleware Layer

Updates the ATM’s state tables, screen definitions, and financial institution parameters. Example Buffer Structure (Transaction Request)

NDC is state-driven. Each user action (like "Insert Card") triggers a state change. aptra advance ndc developer-s guide

Always ensure that PIN-handling states are strictly following PCI-DSS requirements, utilizing the Encrypting PIN Pad (EPP) correctly.

Developers often encounter .dll -related errors, which can be addressed with these methods: Each state performs a highly specific function—such as

Unlike traditional event-driven or procedural applications, Advance NDC is fundamentally state-driven. The flow of the consumer application is dictated by a downloadable . Each state performs a highly specific function—such as displaying a screen, waiting for a card swipe, or validating a PIN—and then transitions to a defined next state based on the outcome or user input. Key Directory Structures

It is strongly recommended to use full AID (Application Identifier) values during transaction processing. 4.3. Customizing Terminal Actions waiting for a card swipe

A response to a specific command sent by the host.