About This Manual; Conventions And References; Metric Conversion; Cautions And Warnings - Comtech EF Data CDM-570L Installation And Operation Manual

CDM-570/570L Satellite Modem with Optional IP Module
Preface

About this Manual

This manual provides installation and operation information for the Comtech EF Data
CDM-570 and CDM-570L satellite modems with optional IP Module. These two
modems are essentially identical in their operation. The CDM-570 operates in the
70/140MHz IF band, whereas the CDM-570L operates at L-band, and includes support
for externally connected BUCs and LNBs. This is a technical document intended for
earth station engineers, technicians, and operators responsible for the operation and
maintenance of the CDM-570/570L with optional IP Module.

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.

Cautions and Warnings

IMPORTANT
WARNING

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Recommended Standard (RS) Designations have been superseded by the new designation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 are
shown only when depicting actual text displayed on the screen of the unit (RS-232, RS-
485, etc.). All other references in the manual will be shown with the EIA designations.
Indicates information critical for proper equipment
function.
WARNING indicates a potentially hazardous situation that,
if not avoided, could result in death or serious injury.
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Revision 4
MN/CDM570L.IOM