Comtech EF Data CRS-170A - Manual (Page 15)

CRS-170A L-Band 1:1 Redundancy Switch MN/CRS170A.IOM
Preface Revision 13
xiii
Examples of Multi-Hazard Notices
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 Switch or the individual modem 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.
The equipment is rated for operation at ±12 volts DC. It has a maximum power consumption of
4.5 Watts, and draws a maximum of 250 mA at +12 volts DC and 120 mA at -12 volts DC. The
power supply current is, in all circumstances, supplied by either a single Comtech EF Data
modem, or a pair of these modems.
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.