CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Preface MN/CDM570L.IOM
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CDMR-570L 48V DC Units: The 48 volt DC-powered CDMR-570L is fitted with one Type TR5
Slow-Blow fuse contained within a screw-in receptacle located to the left of the terminal block.
• For 42 to 60 volt DC operation, use TR5 6.3A fuses if the modem has no BUC power
supply.
CDM-570/570L Optional 24V DC Units: The 24 volt DC-powered CDM-570L or CDM-570 is
fitted with two 20mm Slow-Blow fuses – one each for positive and negative connections. They are
contained within a fuse holder that is press-fit into the body of the IEC power module.
• For 20 to 36 volt DC operation, use a T5.0A fuse if the modem has no BUC power supply.
• For 20 to 36 volt DC operation, use a T10.0A fuse if the modem is fitted with an internal
BUC power supply.
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.
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