Front Panel I/O Connectivity Design Guide

Cabling Design Guidelines
41
Table 17. Dual Port USB Cable Material List
Part Qty
Manufacturer / Part
Number
Note
Material Description
Note
2X5 Header 2 FCI/65043-032 Crimp to wire receptacle min
latch housing
Key 2 N/A Key (pins 9 and 10)
Heat-Shrink Tubing As req. N/A UL Heat-shrink Tube
Shield cable consisting of:
2 28 AWG twisted pairs,
2 20 AWG discrete wires
As req. N/A UL Certified Conductor Wire
Part Label 1 N/A Manufacturer's name and P/N
Note: Or equivalent.

NOTE
Computer systems that have an unshielded cable attached to a USB port may not meet FCC
Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use
shielded cable that meets the requirements for full-speed devices.
Twisted Signaling Pair A :
White: USB_FP_P0-
Green: USB_FP_P0+
Cover Jacket
Inner Shield:
Aluminum Metalized Polyester
Non-Twisted:
Red: VREG_FP_USBPWR0
Non-Twisted:
Black: GROUND
Outer Shield:
> 65% Interwoven
Tinned Copper Braid
Figure 17. Single Port USB Cable Cross Section
KEY
Signal
20
20
VREG_FP_USBPWR0
GROUND
28
28
USB_FP_P0-
USB_FP_P0+
AWG
2
1
3
P1
4
4
4
5
P2
KEY
A
GROUND (Shield)N/A
Twisted Pair
2
1
3
4
4
4
5
Figure 18. Single Port USB Cable Wiring Diagram