1-8
SC743 Chassis
User’s Guide
Before installing the chassis into a rack:
1. Make sure that the rack is securely anchored onto an unmovable surface or
structure before installing the chassis into the rack.
2. Unplug the power cord(s) of the rack before installing the chassis into the
rack.
3. Make sure that the system is adequately supported. Make sure that all the
components are securely fastened to the chassis to prevent components
falling off from the chassis.
4. Be sure to install an AC Power Disconnect for the entire rack assembly and
this Power Disconnect must be clearly marked.
5. The rack assembly shall be properly grounded to avoid electrical shock.
6. The rack assembly must provide sufficient airflow to the chassis for proper
cooling.
1-5 Product Compliance Information
The SC743 Chassis is compliant with the following safety standards/
requirements:
Product Safety
*Canada/USA--UL60 950-CSA60 950
*European Union--EN 60 950
*International--IEC 60 950
Electromagnetic Compatibility (EMC)-Emissions
*European Union--EN55022: 1994
*International--CISPR 22
*USA--Title 47 CFR, Part 15
Power Line Harmonics/Voltage Flicker
*European Union--EN61000-3-2/EN61000-3-3
*International--IEC61000-3-2
Electromagnetic Compatibility-Immunity
*European Union--EN55024: 1998
*International--CISPR 24
All images and layouts shown in this manual were based upon the latest
chassis Revision available at the time of publishing. The chassis you’ve
received may or may not look exactly the same as the ones shown in this
manual.
1-6 An important note to the user