Comtech EF Data CDM-750 - Manual (Page 19)

CDM-750 Advanced Higuh-Speed Trunking Modem Revision 2
Preface MN-CDM750
xvii
Electrical Installation
CONNECT THE UNIT TO A POWER SYSTEM THAT HAS SEPARATE GROUND, LINE AND
NEUTRAL CONDUCTORS. DO NOT CONNECT THE UNIT WITHOUT A DIRECT
CONNECTION TO GROUND.
Sect 3.3 CDM‐750 Ground and Power Connections
Operating Environment
DO NOT OPERATE THE UNIT IN ANY OF THESE EXTREME OPERATING CONDITIONS:
• AMBIENT TEMPERATURES LESS THAN 0° C (32° F) OR MORE THAN 50° C
(122° F).
• PRECIPITATION, CONDENSATION, OR HUMID ATMOSPHERES OF MORE
THAN 95% RELATIVE HUMIDITY.
• UNPRESSURIZED ALTITUDES OF MORE THAN 2000 METRES (6561.7 FEET).
• EXCESSIVE DUST.
• FLAMMABLE GASES.
• CORROSIVE OR EXPLOSIVE ATMOSPHERES.
European Union Radio Equipment and Telecommunications Terminal
Equipment (R&TTE) Directive (1999/5/EC) and EN 301 489-1
Independent testing verifies that the unit complies with the European Union R&TTE Directive, its
reference to EN 301 489‐1 (Electromagnetic compatibility and Radio spectrum Matters [ERM];
ElectroMagnetic Compatibility [EMC] standard for radio equipment and services, Part 1:
Common technical requirements), and the Declarations of Conformity for the applicable
directives, standards, and practices that follow:
European Union Electromagnetic Compatibility (EMC) Directive
(2004/108/EC)
• Emissions: EN 55022 Class B – Limits and Methods of Measurement of Radio
Interference Characteristics of Information Technology Equipment.
• Immunity: EN 55024 – Information Technology Equipment: Immunity Characteristics,
Limits, and Methods of Measurement.
• EN 61000‐3‐2 – Harmonic Currents Emission