3Com CoreBuilder 3500, Getting Started Manual

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PECIFICATIONS
Physical Dimensions 13.2 cm H x 44.0 cm W x 42.42 cm D*
(5.2 in. H x 17.3 in. W x 16.7 in. D*)
*Depth includes protrusion of power supply handles — 3.12 cm (1.23 in.)
Weight (fully loaded with 2 power supplies): 18.14 kg (40.01 lb)
Environmental Requirements
Operating temperature 0 to 50 °C (32 to 122 °F)*
*Maximum operating temperature is at sea level. It increases 1.8 ° C for every
1000 m above sea level (1 °F for every 3280 ft above sea level) .
Operating humidity 10% to 90% relative humidity, noncondensing
Storage temperature –20 to 85 °C (–4 to 185 °F)
Storage humidity 10% to 95% relative humidity, noncondensing
Safety
Agency certifications UL 1950/CB Certificate (Underwriters Laboratories, USA)
CSA 950-95 (Canadian Standards Association)
TUV 950 (EN60950) (German Agency)
Over temperature protection Automatic warning at 60 °C (140 °F)