15
(6) RS232/422/485 Header: TX-RX
TX-RX Header
TX-RX
Pin 1
TX
D
N
RX
P
T
XDP
3
2
4
(7) USB Port Headers (9-pin): USB1
USB1 Header
VC
C
-D
A
GN
+
AT
NC
-
DA
+D
(7) USB Port Headers (4-pin): USB2
USB2 Header