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6.2.2.4.
CN5: IR and Serial Ports Connector
The CN5 is a 40-pin IR and serial port connector. The PC
660A3 provides one IR port and four onboard serial ports
with their signals mixed in one connector, CN5. The
following table shows the related pin signals;
CN5: IR Port and 4 COM Ports
Pin # Signal
1
DCD1
3
RX1
5
TX1
7
DTR1
9
GND
11
DCD2
13
RX2
15
TX2
17
DTR2
19
GND
21
DCD3
23
RX3
25
TX3
27
DTR3
29
IRVCC5
31
DCD4
33
RX4
35
TX4
37
DTR4
39
IRTX2
OPEN (660) 120/140/150
Pin # Signal
2
DSR1
4
RTS1
6
CTS1
8
RI1
10
GND
12
DSR2
14
RTS2
16
CTS2
18
RI2
20
GND
22
DSR3
24
RTS3
26
CTS3
28
RI3
30
IRVCC5
32
DSR4
34
RTS4
36
CTS4
38
RI4
40
IRRX2
User Manual version 2.1
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