CHAPTER 2 | HARDWARE INSTALLATION |
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2.10 Serial Port Connectors: COM A & COM B
The mainboard has two
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COM A | COM B |
PIN DEFINITION
| PIN | SIGNAL |
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| 1 | DCD(Data Carry Detect) |
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| 2 | SIN(Serial In or Receive Data) |
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| 3 | SOUT(Serial Out or Transmit Data) |
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| 4 | DTR(Data Terminal Ready) |
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| 5 | GND |
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| 6 | DSR(Data Set Ready) |
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| 7 | RTS(Request To Send) |
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| 8 | CTS(Clear To Send) |
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| 9 | RI(Ring Indicate) |
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