Comtech EF Data SDM-650B - Manual (Page 5)

Rev. 5 i
Preface
About this Manual
This manual provides installation and operation information for the EFData SDM-650B
satellite modem.
This is a technical document intended for earth station engineers, technicians, and
operators responsible for the operation and maintenance of the SDM-650B satellite
modem.
Organization
This manual includes the following chapters and appendixes:
• Chapter 1 — describes the unit’s purpose, function, description, options, and
system specification.
• Chapter 2 — describes the unit’s installation process, external connectors, and
system requirements.
• Chapter 3 — describes the unit’s configuration.
• Chapter 4 — provides front panel operation information.
• Chapter 5 — describes the unit’s theory of operation.
• Chapter 6 — describes the maintenance of the unit, and provides troubleshooting
assistance.
• Appendix A — provides data rate change instructions and the differences for
fixed and variable rate filters.