Serial Ports
EPM-19 Hardware Reference Manual
32
S
ERIAL
P
ORT
C
ONNECTOR
P
INOUTS
Table 12: J7 COM1/COM2 Connector Pinout
Pin
RS-232 Signal
Port
1
RTS1
COM1
Vortex86DX2 UART1
2
TXD1#
3
CTS1
4
RXD1#
5
GND
—
6
RTS2
COM2
Vortex86DX2 UART9
7
TXD2#
8
CTS2
9
RXD2#
10
GND
—
Table 13: J6 COM3/COM4 Connector Pinout
Pin
RS-232 Signal
RS-422/RS-485 Signal
Port
1
RTS3
TXD3_P
COM3
Vortex86DX2 UART2
2
TXD3#
TXD3_N
3
CTS3
RXD3_P
4
RXD3#
RXD3_N
5
GND
GND
—
6
RTS4
TXD4_P
COM4
Vortex86DX2 UART4
7
TXD4#
TXD4_N
8
CTS4
RXD4_P
9
RXD4#
RXD4_N
10
GND
GND
—
C
ABLING
An adapter cable, part number CBR-1014, is available for routing the J7 and J6 signals to 9-pin
d-sub connectors. This is a 12-inch, Pico-Clasp 10-pin to two 9-pin D-sub connector cable.
If your application requires a custom cable, the following information will be useful:
EPM
-
19 Board Connector
Mating Connector
Molex 501331-1007
Molex 501330-1000