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Communication
From card
Programmable from
9,600 baud to 115,200
baud
From computer
Up to 38,400 baud
Landing mechanism
Contact device
Friction contact
Card insertions
rating
Up to 100,000 insertion
cycles
Interface modes
USB communications through USB port
SCM protocol
Automatic card insertion/removal detection
Reader performance
interface
USB connection
Electro-magnetic
standards
Europe
89/336/CEE guideline
USA
USAFCC part 15
USB Standard BG1650
Keyboard
(gray)
Physical
characteristics
Keys
104, 105, 106, 107, 109 layout (depending
upon country)
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
2 lb (0.9 kg) minimum
Electrical
Operating voltage
+ 5VDC ± 5%
Power consumption
50-mA maximum (with three LEDs ON)
System interface
USB Type A plug connector
ESD
CE level 4, 15-kV air discharge
EMI – RFI
Conforms to FCC rules for a Class B
computing device
Microsoft PC 99 – 2001
Functionally compliant
Mechanical
Languages
38 available
Keycaps
Low-profile design
Switch actuation
55-g nominal peak force with tactile feedback
Switch life
20 million keystrokes (using Hasco modified
tester)
Switch type
Contamination-resistant switch membrane
Key-leveling
mechanisms
For all double-wide and greater-length keys
Cable length
6 ft (1.8 m)
Microsoft PC 99 – 2001
Mechanically compliant
Acoustics
43-dBA maximum sound pressure level
Environmental
Operating temperature
50° to 122° F (10° to 50° C)
Non-operating
temperature
-22° to 140° F (-30° to 60° C)
Operating humidity
10% to 90% (non-condensing at ambient)
Non-operating humidity
20% to 80% (non-condensing at ambient)
Operating shock
40 g, six surfaces
Non-operating shock
80 g, six surfaces
Operating vibration
2-g peak acceleration
Non-operating
vibration
4-g peak acceleration
Drop
(out of box)
26 in (66 cm) on carpet, six-drop sequence
QuickSpecs
HP Compaq dc5750 Business PC
Technical Specifications - Input/Output Devices
DA - 12546 Worldwide QuickSpecs — Version 10 — 1.30.2007
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