User`s guide

12 DC 900-1343D
DDCMP Programmer’s Guide
Required Equipment
The DDCMP product requires the following major hardware components to operate:
• a Freeway communications server or an embedded ICP that runs the communi-
cations software
•
a client computer that runs the following:
•
TCP/IP (for a Freeway server)
• Data link interface (DLI)
•
the user application program
Organization of Document
Chapter 1 is an overview of Freeway and the DDCMP product.
Chapter 2 describes how to use the data link interface (DLI) between the client applica-
tion program and the DDCMP communications software running on the Freeway ICP.
Chapter 3 describes the link configuration options available on the DDCMP software
package.
Appendix A describes error handling and lists the DDCMP error codes.
Appendix B is an overview of the configuration process for DLI sessions and TSI con-
nections.
Appendix C provides detailed command and response header formats.