Technical data

2-10
Original XR Chassis
2
Dual 9-, 12-, and 20-Slot Chassis
Table 2-2. Chassis Specifications
Characteristics Specifications
Physical Dimensions
(with front bezel)
-- System Chassis Width: 18.97 in. (481.8 mm)
Depth: 13.5 in. (342.9 mm)
Height: 20.94 in (531.9 mm)
Weight: 60.0 lb. (27.3 kg) (fully loaded)
Input Voltage -48Vdc or 115 Vac/230 Vac, 50 Hz/60 Hz
Acoustic Noise Level 50 dBA maximum
Temperature
Operating
Non-operating
0° to 50° C (32° to 122° F)
-40° to 70°C (-40° to 158° F)
Relative humidity
Operating
Non-operating
20% to 80% noncondensing
10% to 95% noncondensing
Altitude
Operating
Non-operating
0 to 10,000 feet (3048 m)
0 to 30,000 feet (9144 m)
Emissions FCC Part 15, Sub-Part J, Class B
VDE 0871/6.78, Class B
Electrostatic Discharge 5,000 volts: No observable effect
12,000 volts: No operator-perceived errors
24,000 volts: No permanent equipment damage
Equipment Grounding NEBS 4.7
Earthquake NEBS zone 4
Flammability and Flame Spread NEBS 4.3.1
Office Vibration NEBS Section 4.5.3 (5-200Hz @ 1G,
0.25G/octave)