Comtech EF Data CDM-570 - Manual (Page 33)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Preface MN/CDM570L.IOM
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The user should carefully review the following information:
Safety and Compliance
Electrical Safety and Compliance
The unit complies with the EN 60950 Safety of Information Technology Equipment
(Including Electrical Business Machines) safety standard.
IF THE UNIT IS OPERATED IN A VEHICLE OR MOVABLE INSTALLATION, MAKE
SURE THE UNIT IS STABLE. OTHERWISE, EN 60950 SAFETY IS NOT
GUARANTEED.
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.
The unit is rated for operation over the range 100 to 240 volts AC. It has a maximum power
consumption of 250 Watts (when equipped with a 150W BUC power supply), and draws a
maximum of 2.5 Amps.
Fuses
FOR CONTINUED OPERATOR SAFETY, ALWAYS REPLACE THE FUSES WITH
THE CORRECT TYPE AND RATING.
The 230 or 115 volt AC-powered CDM-570L or CDM-570 is fitted with two 20mm slow blow
fuses – one each for line and neutral connections. They are contained within a fuse holder that is
press-fit into the body of the IEC power module.
• For 230 volt AC operation, use T2.5A fuses.
• For 115 volt AC operation, use T5.0A (P/N 5ASB-IEC) fuses.
CDM-570/570L Optional 48V DC Units: The 48 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 42 to 60 volt DC operation, use T5.0A fuses if the modem has no BUC power supply.
• For 42 to 60 volt DC operation, use T8.0A fuses if the modem is fitted with an internal
BUC power supply.