B&B Electronics WLNN-EK-DP551 - User Manual - Manual (Page 19)

B&B Electronics
Airborne Enterprise WLNN EVB Users Guide 19
Designator Pin Description
3 No Connect
4 No Connect
5 MISO: D
OUT
6 No Connect
7 SPI_CLK: SPI Clock
8 MOSI: D
IN
9 SPI_SEL: SPI Select
10 GND
5.11 D2
This is a red indicator LED that provides feedback on the voltage level of the
power supply. This indicator will light when a low voltage state is detected.
TABLE 13 - LOW VOLTAGE LED INDICATOR
Designator Status Description
D2
ON Power supply is 3.3VDC or less
OFF Power supply is above minimum voltage
5.12 D3
This is a green indicator LED that provides feedback on the power status of the
Evaluation board.
TABLE 14 - POWER STATUS LED INDICATOR
Designator Status Description
D3
ON Power supplied to the card, SW1 on ON position
OFF No power supplied to the card, SW1 on OFF position
5.13 D18
This indicator LED provides feedback on the association status of the radio. The
indicator is provided by the RF_ACT output of the Airborne Device Server
module.
TABLE 15 - RF ACTIVITY LED INDICATOR
Designator Status Description
D18
OFF No valid Power to the module
BLINKING Searching for valid SSID
ON Associated with valid SSID
5.14 J1
This is the main power jack for the Evaluation board. It requires a 5VDC/1.0A
minimum supply (supplied with kit).