B&B Electronics WLNN-EK-DP551 - User Manual - Manual (Page 21)

B&B Electronics
Airborne Enterprise WLNN EVB Users Guide 21
Designator Configuration Header Pin Out
RS232 DCE
1 No Connect
2 TxD
3 RxD
4 No Connect
5 GND
6 No Connect
7 CTS
8 RTS
9 No Connect
RS422/485 2-Wire
1 No Connect
2 No Connect
3 TxD+
4 No Connect
5 GND
6 No Connect
7 No Connect
8 No Connect
9 TxD-
RS422/485 4-Wire
1 No Connect
2 RxD+
3 TxD+
4 No Connect
5 GND
6 RxD-
7 No Connect
8 No Connect
9 TxD-
FIGURE 6 - PRIMARY UART HEADER
TABLE 18 - PRIMARY UART HEADER PIN-OUT
Designator Pin Description
J2
1 RxD+
2 TxD+
3 CN1 Pin 2