Porte Seriali
I/O Map
I/O Map
| COM1 | $3F8-3FF |
| COM2 | $2F8-2FF |
| COM3 | $3E8-3EF |
| COM4 | $2E8-2EF |
DB-9 Connector
| Pin | Signal |
|---|---|
| 1 | CD Carrier Detect |
| 2 | RXD Receive Data |
| 3 | TXD Transmit Data |
| 4 | DTR Data Term. Ready |
| 5 | GND Signal GND |
| 6 | DSR Data Set Ready |
| 7 | RTS Request to Send |
| 8 | CTS Clear to Send |
| 9 | RI Ring Indicator |
DB-25 Connector
| Pin | Signal | Pin | Signal |
|---|---|---|---|
| 1 | GND Ground / Shield | 14 | {2nd TXD} |
| 2 | TXD Transmit Data | 15 | Transmit Clock |
| 3 | RXD Received Data | 16 | {2nd Rec. Clock} |
| 4 | RTS Request to Send | 17 | {Receive Clock} |
| 5 | CTS Clear to Send | 18 | {Unassigned} |
| 6 | DSR Data Set Ready | 19 | {2nd RTS} |
| 7 | GND Ground | 20 | DTR Data Term Ready |
| 8 | DCD Carrier Detect | 21 | {Sig. Quality} |
| 9 | {Reserved} | 22 | RI Ring Indicator |
| 10 | {Reserved} | 23 | {Data Rate Sel.} |
| 11 | {Unassigned} | 24 | {Transmit Clock} |
| 12 | {2nd CD} | 25 | {Unassigned} |
| 13 | {2nd CTS} |
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