2 module front panel interfacing, Module front panel interfacing - 13, Cp346 rear i/o modules – Kontron CP346 User Manual
Page 67
CP346
Rear I/O Modules
ID 27253, Rev. 03
© 2005 Kontron Modular Computers GmbH
Page 5 - 13
P R E L I M I N A R Y
5.2.2
Module Front Panel Interfacing
The optoisolated rear I/O module CP-RIO3-46-OPT is equipped with a 50-pin, dual row, female
D-Sub connector comprising the signals of serial I/O channels 0 to 3. The pinouts of the D-Sub
connector are shown in the following table.
Figure 5-9: Orientation and Pinouts of the CP-RIO3-46-OPT
Serial I/O Connector
Warning!
Where signals are not indicated in the
below table, please do not connect external
wiring to the connector pins. Failure to
comply may result in damage to your board.
Table 5-4: Pinout of 50-Pin Female High-Density D-Sub Connector
RS485
HALF
DUPLEX
PIN
CHNL
PIN
RS485
HALF
DUPLEX
RS485
HALF
DUPLEX
PIN
CHNL
PIN
RS485
HALF
DUPLEX
TRxD+
1
0
26
TRxD-
TRxD+
13
2
38
TRxD-
—
2
27
—
—
14
39
—
—
3
28
—
—
15
40
—
—
4
29
—
—
16
41
—
—
5
30
—
—
17
42
—
GND
6
31
—
GND
18
43
—
TRxD+
7
1
32
TRxD-
TRxD+
19
3
44
TRxD-
—
8
33
—
—
20
45
—
—
9
34
—
—
21
46
—
—
10
35
—
—
22
47
—
—
11
36
—
—
23
48
—
GND
12
37
—
GND
24
49
—
—
25
50
—
1
25
26
50