CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
Preface xxxv MN-CDM570A
Operating Environment
CAUTION – 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). (MAXIMUM STORAGE TEMPERATURE ALLOWED IS -25°C (-13°F) TO
85°C (185°F)).
• PRECIPITATION, CONDENSATION, OR HUMID ATMOSPHERES OF MORE
THAN 95% RELATIVE HUMIDITY.
• UNPRESSURIZED ALTITUDES OF MORE THAN 2000 METRES (6561.7 FEET)
ABOVE MEAN SEA LEVEL (AMSL).
• EXCESSIVE DUST.
• FLAMMABLE GASES OR EXPLOSIVE ATMOSPHERES.
• CORROSIVE ENVIRONMENTS (INCLUDING SALT SPRAY) – ALL EXTERNAL
CHASSIS HARDWARE MUST MEET CORROSION-RESISTENT
SPECIFICATIONS OF RTCA/ DO-160G (ENVIRONMENTAL CONDITIONS AND
TEST PROCEDURES FOR AIRBORNE EQUIPMENT), CATEGORY ‘S’ –
SPECIFCALLY:
Hardware Type Material Plating
Lockwasher Phosphor Bronze
Electroless Nickel
Nut Brass
European Union Radio Equipment and Telecommunications Terminal
Equipment (R&TTE) Directive (1999/5/EC) and EN 301 489-1
Independent testing verifies that the modem 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
• EN 61000-3-3 – Voltage Fluctuations and Flicker.