C.19 com port connector (cn19, cn20) – IBM CFC2 User Manual
Page 144
PCI-6871 User’s Manual
136
C.19 COM Port Connector (CN19, CN20)
Table C.19: COM Port Connector (CN19, CN20)
Pin
Signal
Pin
Signal
1
RLSD1 (DCD1)
2
DSR1
3
RX1
4
RTS1
5
TX1
6
CTS1
7
DTR1
8
RI1
9
GND
10
GND
11
RLSD2 (DCD2)
12
DSR2
13
RX2
14
RTS2
15
TX2
16
CTS2
17
DTR2
18
RI2
19
GND
20
NC
21
RLSD3 (DCD3)
22
DSR3
23
RX3
24
RTS3
25
TX3
26
CTS3
27
DTR3
28
RI3
29
GND
30
NC
31
RLSD4 (DCD4)
32
DSR4
33
RX4
34
RTS4
35
TX4
36
CTS4
37
DTR4
38
RI4
39
GND
40
NC
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