3.4 Serial Ports
•COM1 10-pin Connector
PIN NO. DESCRIPTION
1 | DATA CARRIER DETECT | (DCD) | 1 |
2 | RECEIVE DATA | (RXD) | |
3 | TRANSMIT DATA | (TXD) |
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4DATA TERMINAL READY (DTR)
5GROUND
| 6 | DATA SET READY | (DSR) | 5 |
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| 7 | REQUEST TO SEND | (RTS) | |||||
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| 8 | CLEAR TO SEND | (CTS) |
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| 9 | RING INDICATOR | (RI) |
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| 10 | NC |
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6
10
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