Installation guide

DC 900-1564A 11
Preface
Purpose of Document
This document describes the operation and programming interface required to use
Simpact’s Synchronous Link Control (SLC) protocol software running on a Simpact
intelligent communications processor (ICP). The basic structure is described for header
fields typically required by all SLC message formats. However, for details regarding spe-
cific Interline Message Formats and Handling Procedures, refer to the Systems and
Communications Reference Volume 1, Airline Proprietary Standards, Version 1.1, pub-
lished by the International Air Transport Association (IATA), Montreal—Geneva.
Intended Audience
This document should be read by programmers who are interfacing an application pro-
gram to the SLC protocol. Simpact recommends that the reader obtain the IATA refer-
ence document mentioned above to aid in understanding the details of the SLC
protocol that are beyond the scope of this document.
Organization of Document
Chapter 1 is an introduction to the SLC protocol and supported programming environ-
ments.
Chapter 2 summarizes the SLC protocol theory of operation.
Chapter 3 describes the SLC protocol typical sequence of operations.
Chapter 4 explains the SLC commands and responses.