General Requirements
40 7705 SAR-M Chassis Installation Guide
SELV
Connect SELV circuits on this equipment only to other circuits that comply with
the requirements of SELV circuits 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-M 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-M 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 and cards in this system.
Protective Safety Ground (Earth)
The cable used for safety ground should be at least the same gauge as the supply conductors,
green, or green and yellow, in color, and of sufficient length to connect the building earth
point to the chassis ground connection (refer to Chassis Ground Wiring for specific
instructions on connecting the chassis ground).
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