Special Registers
VL-EPHs-P1 Reference Manual
9
LED_WWAN#,
LED_WLAN#,
AND
LED_WPAN#
S
IGNALS
The LED status indicator signals are provided to enable wireless communications add-in cards to
provide status indications via the built-in LEDs at positions D1 and D2 on the VL-EPMs-E1. The
behavior of the LEDs is determined by the add-in card manufacturer. The table below shows the
routing of the D1 and D2 LEDs to the Mini Card LED status signals.
Table 4: WiFi Mini Card LED Functions
LED
Color
J2 Pin
Function
D1
Green
46
Defined by Mini Card device LED_WPAN# implementation.
D1
Orange
44
Defined by Mini Card device LED_WLAN# implementation.
D2
Green
42
Defined by Mini Card device LED_WWAN# implementation.
D2
Orange
–
Power status indicator.
