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HP dx7300 User Manual

HP dx7300
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5-26 www.hp.com Technical Reference Guide
Input/Output Interfaces
5.7.4 USB Cable Data
The recommended cable length between the host and the USB device should be no longer than
sixteen feet for full-channel (12 MB/s) operation, depending on cable specification (see
following table).
NOTE:
For sub-channel (1.5 MB/s) operation and/or when using sub-standard cable shorter lengths may
be allowable and/or necessary.
The shield, chassis ground, and power ground should be tied together at the host end but left
unconnected at the device end to avoid ground loops.
Table 5-21.
USB Cable Length Data
Conductor Size Resistance Maximum Length
20 AWG 0.036 16.4 ft (5.00 m)
22 AWG 0.057 9.94 ft (3.03 m)
24 AWG 0.091 6.82 ft (2.08 m)
26 AWG 0.145 4.30 ft (1.31 m)
28 AWG 0.232 2.66 ft (0.81 m)
Color code
Signal Insulation color
Data + Green
Data - White
Vcc Red
Ground Black

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HP dx7300 Specifications

General IconGeneral
BrandHP
Modeldx7300
CategoryDesktop
LanguageEnglish

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