Platform Cable USB II
The status LED is off whenever Platform Cable USB II enters a suspend state (see System Suspend, page 11), is
disconnected from a USB port, or is connected to an un-powered USB port.
Table 4 summarizes the various status LED states.
Table 4: Interpreting the Status LED
LED Color
OFF
LED State
Condition
Continuous Host power OFF
AMBER
Continuous Target VREF ≤1.3V
Target VREF ≤1.3V AND multiple
cable identification active
AMBER
GREEN
GREEN
Blinking
Continuous Target VREF ≥ 1.5V
Target VREF ≥ 1.5V AND
Blinking
multiple cable identification active
FPGA firmware update in
RED
Continuous
progress
X-Ref Target - Figure 8
Amber indicates no target voltage (VREF
)
Green indicates target voltage (VREF) present
Red indicates cable firmware update
DS593_08_120307
Figure 8: Cable Status LED
DS593 (v1.2.1) March 17, 2011
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