USB Standard Keyboard
USB Standard Keyboard
USB Standard Keyboard
USB Standard Keyboard
Physical
Physical
Physical
Physical
characteristics
characteristics
characteristics
characteristics
Keys
Keys
Keys
Keys
104, 105, 106, 107, 109 layout (depending
upon country)
Dimensions
Dimensions
Dimensions
Dimensions (L x W x H)
18.0 x 6.4 x 0.98 in (45.8 x 16.3 x 2.5 cm)
Weight
Weight
Weight
Weight
2 lb (0.9 kg) minimum
Electrical
Electrical
Electrical
Electrical
Operating voltage
Operating voltage
Operating voltage
Operating voltage
+ 5VDC ± 5%
Power consumption
Power consumption
Power consumption
Power consumption
50-mA maximum (with three LEDs ON)
System interface
System interface
System interface
System interface
USB Type A plug connector
ESD
ESD
ESD
ESD
CE level 4, 15-kV air discharge
EMI – RFI
EMI – RFI
EMI – RFI
EMI – RFI
Conforms to FCC rules for a Class B computing
device
Microsoft® PC 99 –
Microsoft® PC 99 –
Microsoft® PC 99 –
Microsoft® PC 99 –
2001
2001
2001
2001
Functionally compliant
Mechanical
Mechanical
Mechanical
Mechanical
Languages
Languages
Languages
Languages
38 available
Keycaps
Keycaps
Keycaps
Keycaps
Low-profile design
Switch actuation
Switch actuation
Switch actuation
Switch actuation
55-g nominal peak force with tactile feedback
Switch life
Switch life
Switch life
Switch life
20 million keystrokes (using Hasco modified
tester)
Switch type
Switch type
Switch type
Switch type
Contamination-resistant switch membrane
Key-leveling mechanisms
Key-leveling mechanisms
Key-leveling mechanisms
Key-leveling mechanisms For all double-wide and greater-length keys
Cable length
Cable length
Cable length
Cable length
6 ft (1.8 m)
Microsoft PC 99 – 2001
Microsoft PC 99 – 2001
Microsoft PC 99 – 2001
Microsoft PC 99 – 2001 Mechanically compliant
Acoustics
Acoustics
Acoustics
Acoustics
43-dBA maximum sound pressure level
Environmental
Environmental
Environmental
Environmental
Operating temperature
Operating temperature
Operating temperature
Operating temperature
50° to 122° F (10° to 50° C)
Non-operating
Non-operating
Non-operating
Non-operating
temperature
temperature
temperature
temperature
-22° to 140° F (-30° to 60° C)
Operating humidity
Operating humidity
Operating humidity
Operating humidity
10% to 90% (non-condensing at ambient)
Non-operating humidity
Non-operating humidity
Non-operating humidity
Non-operating humidity
20% to 80% (non-condensing at ambient)
Operating shock
Operating shock
Operating shock
Operating shock
40 g, six surfaces
Non-operating shock
Non-operating shock
Non-operating shock
Non-operating shock
80 g, six surfaces
Operating vibration
Operating vibration
Operating vibration
Operating vibration
2-g peak acceleration
Non-operating vibration
Non-operating vibration
Non-operating vibration
Non-operating vibration
4-g peak acceleration
Drop
Drop
Drop
Drop (out of box)
26 in (66 cm) on carpet, six-drop sequence
Drop
Drop
Drop
Drop (in box)
42 in (107 cm) on concrete, 16-drop sequence
Approvals
Approvals
Approvals
Approvals
UL, CSA, FCC, CE Mark, TUV, TUV GS, VCCI, BSMI, C-Tick, MIC
Ergonomic compliance
Ergonomic compliance
Ergonomic compliance
Ergonomic compliance
ANSI HFS 100, ISO 9241-4, and TUVGS
Kit contents
Kit contents
Kit contents
Kit contents
Keyboard, installation guide, warranty card, safety and comfort guide
QuickSpecs
HP Compaq dc7900 Business PC
HP Compaq dc7900 Business PC
HP Compaq dc7900 Business PC
HP Compaq dc7900 Business PC
Technical Specifications - Input/Output Devices
DA - 13029 North America — Version 11 — February 9, 2009
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