CP345
2.4.2 Transition Module Interfaces
72
71
71
2
1
1
CON2
Table 3-5: Pinouts of Transition Module Interface Connectors
Pin
Signal
1
VCC
2
GND
3
GND
4
VCC
5
VCC
6
GND
7
MD30
8
MD31
9
TxCLK3
10
RxCLK3
11
DCD3
12
RES3
13
CTS3
14
DSR3
15
DTR3
16
RxD3
17
TxD3
18
RTS3
ID 19979, Rev. 03
Figure 2-4: Orientation and Pinouts of Transition
72
Module Interface Connectors
The optoisolated board variant is provided with two 72-
pin row transition module interface connectors, one
being located on the mainboard (CON3, female) and
one on the transition module (CON2, male).
The pinouts of the transition module interface connec-
tors are shown in the following table.
2
CON3
Pin
Signal
19
VCC
20
GND
21
GND
22
VCC
23
VCC
24
GND
25
MD20
26
MD21
27
TxCLK2
28
RxCLK2
29
DCD2
30
RES2
31
CTS2
32
DSR2
33
DTR2
34
RxD2
35
TxD2
36
RTS2
© PEP Modular Computers GmbH
Functional Description
Pin
Signal
37
VCC
38
GND
39
GND
40
VCC
41
VCC
42
GND
43
MD10
44
MD11
45
TxCLK1
46
RxCLK1
47
DCD1
48
RES1
49
CTS1
50
DSR1
51
DTR1
52
RxD1
53
TxD1
54
RTS1
Pin
Signal
55
VCC
56
GND
57
GND
58
VCC
59
VCC
60
GND
61
MD00
62
MD01
63
TxCLK0
64
RxCLK0
65
DCD0
66
RES0
67
CTS0
68
DSR0
69
DTR0
70
RxD0
71
TxD0
72
RTS0
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