
4 | DTR | O | Data terminal ready |
5 | GND | N/A | Signal ground |
6 | DSR | I | Data set ready |
7 | RTS | O | Request to send |
8 | CTS | I | Clear to send |
9 | RI | I | Ring indicator |
Shell | N/A | N/A | Chassis ground |
Parallel Port Connector
If you reconfigure your hardware, you may need pin number and signal information for the parallel port connector. Figure
Figure B-4. Pin Numbers for the Parallel Port Connector
Table B-4. Pin Assignments for the Parallel Port Connector
Pin | Signal | I/O | Definition |
1 | STB# | I/O | Strobe |
2 | PD0 | I/O | Printer data bit 0 |
3 | PD1 | I/O | Printer data bit 1 |
4 | PD2 | I/O | Printer data bit 2 |
5 | PD3 | I/O | Printer data bit 3 |
6 | PD4 | I/O | Printer data bit 4 |
7 | PD5 | I/O | Printer data bit 5 |
8 | PD6 | I/O | Printer data bit 6 |
9 | PD7 | I/O | Printer data bit 7 |
10 | ACK# | I | Acknowledge |
11 | BUSY | I | Busy |
12 | PE | I | Paper end |
13 | SLCT | I | Select |
14 | AFD# | O | Automatic feed |
15 | ERR# | I | Error |