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Appendix A: Technical Specifications
Table A-10 Serial Port COM2 DB9 Connector J4B
Pin#
Serial Port COM 2 – J4B
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Table A-11 Serial Port COM3-6 Header Connector J2 (Optional)
Pin#
Serial Port COM3-6 Header – J2
1 DCD3
2 DSR3
3 RX3
4 RTS3
5 TX3
6 CTS3
7 DTR3
8 RI3
9 GND
10 NC
11 DCD4
12 DSR4
13 RX4
14 RTS4
15 TX4
16 CTS4
17 DTR4
18 RI4
19 GND
20 NC
21 NC
22 NC
23 RX5
24 RTS5
25 TX5
26 CTS5
27 NC
28 NC
29 GND
30 NC
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