Comtech EF Data CDM-760 - Manual (Page 22)

Preface Revision 2
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
xviii
Recommended Standard Designations
The Electronic Industries Association (EIA) designations supersede the Recommended Standard
(RS) designations. References to the old designations may be shown when depicting actual text
(e.g., RS-232) displayed on front panel menus, Web Server pages, serial remote interfaces, Telnet
Command Line Interfaces (CLIs), or unit rear panels. All other references in the manual refer to EIA
designations.
CAUTION – You 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.
CAUTION – 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
CAUTION – 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.
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).
• 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.