B&B Electronics WLNN-EK-DP551 - User Manual - Manual (Page 31)

B&B Electronics
Airborne Enterprise WLNN EVB Users Guide 31
5.26 LED1
This is a group of LED ’s that indicate Primary UART’s state of operation. A
description of the LED ’s can be seen in Table 36. These LED’s are connected via
J4 (section 5.17), please refer to this section for more details.
TABLE 36 - PRIMARY UART INDICATOR LED'S
Group Designator Description
LED1
D7 Ready to Send (RTS), Green LED
D6 Clear-to-Send (CTS), Yellow LED
D5 Transmit Data (TxD), Red LED
D4 Receive Data (RxD), Red LED
5.27 LED2
This is a group of LED ’s that indicate Secondary UART’s state of operation. A
description of the LED ’s can be seen in Table 37. These LED’s are connected via
J7 (section 5.20), please refer to this section for more details.
TABLE 37 - SECONDARY UART INDICATOR LED'S
Group Designator Description
LED2
D11 Ready to Send (RTS), Green LED
D10 Clear-to-Send (CTS), Yellow LED
D9 Transmit Data (TxD), Red LED
D8 Receive Data (RxD), Red LED
5.28 LED3
This is a group of LED ’s that indicate the state of the Airborne Device Server
module. A description of the LED ’s can be seen in Table 38. These LED’s are
connected via J9 (section 5.22), please refer to this section for more details.
TABLE 38 – AIRBORNE DEVICE SERVER MODULE INDICATOR LED’S
Group Designator Name Description (w/ Power Applied)
LED3 D15
CONN
(Green)
OFF No TCP/IP connection established
ON
TCP/IP connection established with Device
Server
D14
WLN_CFG
(Yellow)
OFF
The Device Server is not correctly
configured for network communication
(i.e. it does not have a valid IP
address/subnet mask)
ON
The Device Server is correctly configured
for network communication (i.e. it has a
valid IP address/subnet mask)
D13
RF_LINK
(Green)
OFF
Device Server has not authenticated with
a wireless network
ON
Device Server has successfully
authenticated with a wireless network