Comtech EF Data SMS-758 - Manual (Page 5)

MN/SMS758 Rev. 3 i
Preface
About this Manual
This manual describes the installation and operation for the EFData SMS-758 modem
protection switch.
Audience
This is a technical document intended for earth station engineers, technicians, and
operators responsible for the operation and maintenance of the SMS-758 modem
protection switch.
Organization
This manual includes the following chapters and appendixes:
•
Chapter 1 — describes the unit’s purpose, function, and specifications.
•
Chapter 2 — describes the installation process.
• Chapter 3 — describes the operation.
•
Chapter 4 — describes the theory of operation.
•
Chapter 5 — describes maintenance and troubleshooting.
•
Appendix A — describes remote control operation for modem switching.
•
Appendix B — describes remote control operation for independent mod/demod
switching.
•
Appendix C — describes the 7 downlink/1 backup option.