Standard Interfaces – Pin Assignments
38
MBx406 – 4U Platform User Manual
Standard Interfaces – Pin Assignments
Low-active are indicated by a minus sign.
Serial Port (RS232)
Pin Signal name
9-pin SUB D-plug
1
DCD
(Data Carrier Detect)
2
RXD
(Receive Data)
3
TXD
(Transmit Data)
4
DTR
(Data Terminal Ready)
5 GND (Signal Ground)
6
DSR
(Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9
RI
(Ring Indicator)
Keyboard / Mouse
Pin
Signal name
6-pin Mini-DIN socket
1
Data
2
not connected
3
GND
4
+5 V
5
Clock
6
not connected