INSTALLATIONS
J17: Parallel Port Connector
The following table describes the pin out assignments of this connector.
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| Signal Name | Pin # |
| Pin # |
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| Signal Name |
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| Line printer strobe | 1 |
| 14 |
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| AutoFeed |
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| PD0, parallel data 0 | 2 |
| 15 |
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| Error |
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| PD1, parallel data 1 | 3 |
| 16 |
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| Initialize |
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| PD2, parallel data 2 | 4 |
| 17 |
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| Select |
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| PD3, parallel data 3 | 5 |
| 18 |
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| Ground |
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| PD4, parallel data 4 | 6 |
| 19 |
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| Ground |
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| PD5, parallel data 5 | 7 |
| 20 |
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| Ground |
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| PD6, parallel data 6 | 8 |
| 21 |
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| Ground |
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| PD7, parallel data 7 | 9 |
| 22 |
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| Ground |
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| J17 |
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| ACK, acknowledge | 10 |
| 23 |
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| Ground |
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| Busy | 11 |
| 24 |
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| Ground |
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| Paper empty | 12 |
| 25 |
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| Ground |
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| Select | 13 |
| N/A |
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| N/A |
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J18: Serial Ports
Pin # | Signal Name |
1 | DCD, Data carrier detect |
2 | RXD, Receive data |
3 | TXD, Transmit data |
4 | DTR, Data terminal ready |
5 | Ground |
6 | DSR, Data set ready |
7 | RTS, Request to send |
8 | CTS, Clear to send |
9 | RI, Ring indicator |
10 | No Connect. |
23 |
