Spool Transfer Components
The major components of IBM® Connect:Direct® Spool Transfer are:
- VTAM Printer Support (VPS) System
- Application Program Interface (API)
- Data Transmission Facility (DTF)
- The following diagram shows the relationship between these components. This chapter summarizes the function of each component.

You implement IBM Connect:Direct Spool Transfer by changing definitions in the VPS initialization. Please refer to the Levi, Ray & Shoup documentation for their VPS product for correct implementation of VPS.