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A300 Motherboard
Figure 4-14: Serial Port Connector Location
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 DCD3 2 DSR3
3 RX3 4 RTS3
5 TX3 6 CTS3
7 DTR3 8 RI3
9 GND 10 GND
11 TX3+ 12 TX3-
13 RX3+ 14 RX3-
Table 4-14: RS-422/485 Serial Port Connector Pinouts
4.2.13 Serial Port Connector (RS-232)
CN Label: COM4, COM5 and COM6
CN Type:
10-pin header (2x5)
CN Location: See
Figure 4-15
CN Pinouts: See
Table 4-15, Table 4-16 and Table 4-17
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