Power Rating
Input voltage: 100-240 V continuous range
Frequency: 50 Hz to 60 Hz
Input current: 1.5 A (with redundant power supply unit)
Inrush current: 20 A at 230 V (cold start)

Power Dissipation (most demanding case)
8900FF, 8900FFN: 125W
8900FX: 30W

Weight
Weight without modules, one PSU: 8.4 kg (8900FX), 8.8 kg (8900FF/8900FFN)
Weight with eight modules, two PSU, and net card: 11 kg (8900FX), 11.5 kg (8900FF/8900FFN) typical

Environmental
Operating temperature: +0° to +40°C
Operating humidity: 10% to 95% non-condensing

External Dimensions
Height (maximum external): 89 mm
Width (maximum external): 447 mm
Depth (maximum external): 390 mm

Mounting Dimensions
Mounting width: Fits standard 19" rack
Mounting height: Two rack units
Mounting depth: 373 mm plus space for cabling