HP Compaq dc7900 Quickspecs page 50

QuickSpecs
Technical Specifications - Input/Output Devices
USB Standard Keyboard Physical
characteristics
Electrical
Mechanical
Environmental
Approvals
Ergonomic compliance
Kit contents
DA - 13029 Canada — Version 29 — March 7, 2011
Keys
Dimensions (L x W x H)
Weight
Operating voltage
Power consumption
System interface
ESD
EMI – RFI
Microsoft® PC 99 – 2001
Languages
Keycaps
Switch actuation
Switch life
Switch type
Key-leveling mechanisms For all double-wide and greater-length keys
Cable length
Microsoft PC 99 – 2001
Acoustics
Operating temperature
Non-operating
temperature
Operating humidity
Non-operating humidity 20% to 80% (non-condensing at ambient)
Operating shock
Non-operating shock
Operating vibration
Non-operating vibration 4-g peak acceleration
Drop (out of box)
Drop (in box)
UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC
ANSI HFS 100, ISO 9241-4, and TUVGS
Keyboard, installation guide, warranty card, safety and comfort guide
HP Compaq dc7900 Business PC
104, 105, 106, 107, 109 layout (depending upon
country)
18.0 x 6.4 x 0.98 in (45.8 x 16.3 x 2.5 cm)
2 lb (0.9 kg) minimum
+ 5VDC ± 5%
50-mA maximum (with three LEDs ON)
USB Type A plug connector
CE level 4, 15-kV air discharge
Conforms to FCC rules for a Class B computing
device
Functionally compliant
38 available
Low-profile design
55-g nominal peak force with tactile feedback
20 million keystrokes (using Hasco modified
tester)
Contamination-resistant switch membrane
6 ft (1.8 m)
Mechanically compliant
43-dBA maximum sound pressure level
50° to 122° F (10° to 50° C)
-22° to 140° F (-30° to 60° C)
10% to 90% (non-condensing at ambient)
40 g, six surfaces
80 g, six surfaces
2-g peak acceleration
26 in (66 cm) on carpet, six-drop sequence
42 in (107 cm) on concrete, 16-drop sequence
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