About this Manual
This manual provides installation and operation information for the Comtech EF Data CDM-750
Advanced High-Speed Trunking Modem. This is a technical document intended for earth station
engineers, technicians, and operators responsible for the operation and maintenance of the
CDM-750.
Reporting Comments or Suggestions Concerning this Manual
Comments and suggestions regarding the content and design of this manual are appreciated. To
submit comments, please contact the Comtech EF Data Technical Publications Department:
Conventions and References
Metric Conversion
Metric conversion information is located on the inside back cover of this manual. This information
is provided to assist the operator in cross-referencing non-Metric to Metric conversions.
Recommended Standard Designations
Recommended Standard (RS) Designations have been superseded by the new designation of the
Electronic Industries Association (EIA). References to the old designations may be shown when
depicting actual text displayed on the Web or Telnet (i.e., remote control) interface pages for the
unit (e.g., RS-232). All other references in the manual will be shown with the EIA designations.
Trademarks
Product names mentioned in this manual may be trademarks or registered trademarks of their
respective companies and are hereby acknowledged.
TechnicalPublications@comtechefdata.com.
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PREFACE
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