Compaq dc7700 - Manual (Page 34)

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 humidity20% 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 dc7700 Business PC
Technical Specifications - Input/Output Devices
DA - 12543 Worldwide QuickSpecs — Version 3 — 9.28.2006 Page 34