Comtech EF Data DMD50 Installation And Operation Manual page 23

DMD50 Universal Satellite Modem
Preface
Environmental
The DMD50 must not be operated in an environment where the unit is exposed to precipitation;
condensation; humid atmospheres above 95% RH; altitudes (unpressurized) greater than 2000
metres; excessive dust or vibration; flammable gases, corrosive or explosive atmospheres; or
extremes of temperature outside the ambient range 0 to +50°C. Maximum storage temperature
allowed is -20 to +70°C.
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 EN 60950 may not be guaranteed.
Installation
PROPER
GROUNDING 'CAUTION' NOTE PROVIDED ON THE PREVIOUS PAGE. The DMD50
is designed for connection to a power system that has separate ground, line and
neutral conductors. The equipment is not designed for connection to a power
system that has no direct connection to ground.
The installation and connection to the line supply must be made in compliance to local or national
wiring codes and regulations.
The DMD50 is shipped with a line inlet cable suitable for use in the country of operation. If it is
necessary to replace this cable, ensure the replacement has an equivalent specification.
Examples of acceptable ratings for the cable include HAR, BASEC and HOXXX-X. Examples of
acceptable connector ratings include VDE, NF-USE, UL, CSA, OVE, CEBEC, NEMKO, DEMKO,
BS1636A, BSI, SETI, IMQ, KEMA-KEUR and SEV.
Symbol
Telecommunications Terminal Equipment Directive
In accordance with the Telecommunications Terminal Equipment Directive 91/263/EEC, this
equipment should not be directly connected to the Public Telecommunications Network.
CE Mark
Comtech EF Data declares that the DMD50 modem meets the necessary requirements for the
CE Mark.
GROUNDING PROTECTION
International Symbols
Definition
Alternating Current
Fuse
v
IS REQUIRED – REFER
Symbol
Revision 3
MN-DMD50
TO THE
Definition
Protective Earth
Chassis Ground