Mandatory Regulations
7705 SAR-A Chassis Installation Guide 21
Interconnection points of the 100W High Voltage Power Supply are defined as the following
connections:
• SELV:
→ DC power output
• Hazardous voltage secondary:
→ high-voltage DC power input, above 60 VDC nominal
• Hazardous voltage primary:
→ AC power input
SELV, Hazardous Voltage Secondary and Primary
Only like circuits shall be interconnected. Connect SELV and Hazardous Voltage Secondary
and Primary circuits on this equipment only to other circuits that comply with the
requirements of SELV and Hazardous Voltage Secondary and Primary circuits respectively
as defined in CSA C22.2 No. 60950-1, UL 60950-1, EN 60950-1, AS/NZS 60950-1, and
IEC 60950-1.
Prevention of Access
The 7705 SAR-A and 100W High Voltage Power Supply must be accessible only to
authorized, trained service personnel. Install this apparatus in a restricted access location or
similar environment to prevent unauthorized access.
Environmental Requirements for Installation
For information on the environmental requirements for installing the 7705 SAR family of
products, see Installation Locations.
Laser Interface
The 7705 SAR-A uses a fiber-optic communications method and is an FDA and IEC Class 1
Laser product. Only trained service personnel thoroughly familiar with laser radiation
hazards should install or remove the fiber-optic cables in this system.
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