Comtech EF Data SDM-2020 - Manual (Page 11)

SDM-2020 Satellite Modulator Revision 7
Preface MN/SDM2020M.IOM
ix
Electrical Safety
The SNM-1010L Modem has been shown to comply with the following safety standard:
• EN 60950: Safety of Information Technology Equipment, including
electrical business machines
The equipment is rated for operation over the range 100 - 240 volts AC. It has a
maximum power consumption of 40 watts, and draws a maximum of 400 mA.
Observe the following instructions:
Fuses
The SNM-1010L is fitted with two fuses - one each for line and neutral connections.
These are contained within the body of the IEC power inlet connector, behind a small
plastic flap.
• For 230 volt AC operation, use T0.75A, 20mm fuses.
• For 115 volt AC operation, use T1.25A fuses, 20mm fuses.
FOR CONTINUED OPERATOR SAFETY,
ALWAYS REPLACE THE FUSES WITH THE CORRECT TYPE AND RATING.
Environmental
The SDM-2020 Satellite Modulator must not be operated in an environment where the
unit is exposed to extremes of temperature outside the ambient range 0 to 50°C (32 to
122°F), precipitation, condensation, or humid atmospheres above 95% RH, altitudes (un-
pressurised) greater than 2000 metres, excessive dust or vibration, flammable gases,
corrosive or explosive atmospheres.
Operation in vehicles or other transportable installations that are equipped to provide a
stable environment is permitted. If such vehicles do not provide a stable environment,
safety of the equipment to EN60950 may not be guaranteed.
Installation
The installation and connection to the line supply must be made in compliance to local or
national wiring codes and regulations.
The SDM-2020 Satellite Modulator is designed for connection to a power system that has
separate ground, line and neutral conductors. The equipment is not designed for
connection to power system that has no direct connection to ground.