![WinSystems SYS-427 Скачать руководство пользователя страница 23](http://html1.mh-extra.com/html/winsystems/sys-427/sys-427_product-manual_987924023.webp)
SYS-427/Configuration
v1.0
www.winsystems.com
Page 23
8.6.11 J1 - Legacy RS232 Header (Internal)
The legacy RS232 header provides port IO addresses defined in the
original PC specification. The legacy UART allows software originally
designed for older PCs to function on the SYS-427.
Layout and Pin Reference
Connector
• Molex Milli-Grid header, shrouded with locking window
Part Number: 87832-1006
Matching Connectors
• Molex Milli-Grid receptacles (with locking ramp)
Part Number: 51110-1060
8.6.12 J4 - Serial Ports (RS232/422/485) Header (Internal)
Layout and Pin Reference
Diagram
Pin
Name
Pin
Name
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
NC
10
9
2
1
Warning
Do not use receptacle with center polarization key.
Pin
Name
Pin
Name
1
NC
2
NC
3
RXD1/ RX+
4
RTS1/ TX+/ TXRX+
5
TXD1/ TX-/ TXRX-
6
CTS1/ RX-
7
NC
8
NC
9
GND
10
NC
11
NC
12
NC
13
RXD2/ RX+
14
RTS2/ TX+/ TXRX+
15
TXD2/ TX-/ TXRX-
16
CTS2/ RX-
17
NC
18
NC
19
GND
20
NC
20
19
2
1