Functional description cp-rio3-04s – Kontron CP-RIO3-04S User Manual
Page 26
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Functional Description
CP-RIO3-04S
Page 2 - 6
ID 1036-1669, Rev. 1.0
The following figure illustrates the onboard serial port connector J3 (COM2).
Figure 2-4: Serial Port Connector J3 (COM2)
The following table indicates the pinout of the onboard serial port connector J3 (COM2).
Table 2-4: Serial Port Connector J3 (COM2) Pinout
PIN
SIGNAL
DESCRIPTION
I/O
1
DCD
Data carrier detect
I
2
DSR
Data set ready
I
3
RXD
Receive data
I
4
RTS
Request to send
O
5
TXD
Transmit data
O
6
CTS
Clear to send
I
7
DTR
Data terminal ready
O
8
RI
Ring indicator
I
9
GND
Signal ground
--
10
NC
Not connected
--
J3
COM 2
1
9
10
2
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