User Manual version 2.1
OPEN (660) 120/140/150 6-73
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 Pin # Signal
1DCD1 2DSR1
3RX14RTS1
5TX16CTS1
7DTR18RI1
9GND 10 GND
11 DCD212 DSR2
13 RX214 RTS2
15 TX216 CTS2
17 DTR218 RI2
19 GND 20 GND
21 DCD322 DSR3
23 RX324 RTS3
25 TX326 CTS3
27 DTR328 RI3
29 IRVCC5 30 IRVCC5
31 DCD432 DSR4
33 RX434 RTS4
35 TX436 CTS4
37 DTR438 RI4
39 IRTX2 40 IRRX2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40