Parallele Centronics Parallele Centronics
Connecteur de l'imprimante: 36 broches CENTRONICS femelle.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | /STROBE | IN | Strobe |
| 2 | D0 | IN/OUT | Data Bit 0 |
| 3 | D1 | IN/OUT | Data Bit 1 |
| 4 | D2 | IN/OUT | Data Bit 2 |
| 5 | D3 | IN/OUT | Data Bit 3 |
| 6 | D4 | IN/OUT | Data Bit 4 |
| 7 | D5 | IN/OUT | Data Bit 5 |
| 8 | D6 | IN/OUT | Data Bit 6 |
| 9 | D7 | IN/OUT | Data Bit 7 |
| 10 | /ACK | OUT | Acknowledge |
| 11 | BUSY | OUT | Busy |
| 12 | POUT | OUT | Paper Out |
| 13 | SEL | OUT | Select |
| 14 | /AUTOFEED | IN | Autofeed |
| 15 | n/c | - | Not used |
| 16 | 0 V | ------ | Logic Ground |
| 17 | CHASSIS GND | ------ | Shield Ground |
| 18 | +5 V PULLUP | OUT | +5 V DC (50 mA max) |
| 19 | GND | ------ | Signal Ground (Strobe Ground) |
| 20 | GND | ------ | Signal Ground (Data 0 Ground) |
| 21 | GND | ------ | Signal Ground (Data 1 Ground) |
| 22 | GND | ------ | Signal Ground (Data 2 Ground) |
| 23 | GND | ------ | Signal Ground (Data 3 Ground) |
| 24 | GND | ------ | Signal Ground (Data 4 Ground) |
| 25 | GND | ------ | Signal Ground (Data 5 Ground) |
| 26 | GND | ------ | Signal Ground (Data 6 Ground) |
| 27 | GND | ------ | Signal Ground (Data 7 Ground) |
| 28 | GND | ------ | Signal Ground (Acknowledge Ground) |
| 29 | GND | ------ | Signal Ground (Busy Ground) |
| 30 | /GNDRESET | ------ | Reset Ground |
| 31 | /RESET | IN | Reset |
| 32 | /FAULT | OUT | Fault (Low when offline) |
| 33 | 0 V | ------ | Signal Ground |
| 34 | n/c | - | Not used |
| 35 | +5 V | OUT | +5 V DC |
| 36 | /SLCT IN | IN | Select In (Taking low or high sets printer on line or off line respectively) |
STROBE (Strobe) active low output
Notify the printer that data available on D0 o D7 are valid.
D0 - D7 (Data Bus) outputs Data byte send to the printer, output only in
"compatible" mode and bi-directionnal in newer modes.
ACK (Acknoledge) active low input
Notify the computer that the printer is
ready to receive the next data.
BUSY (Busy) active low input
Printer buffer full or printer busy, the computer must wait for this
signal to get high again to continue sending data.
PE (Paper End) active high input
Printer out of paper.
SLCT (Select Out) active high input
Printer ready (On-line).
AUTO-FEED (Auto-Feed) active high output
Printer Line feed.
ERROR (Error) active low input
Error detected by the printer.
INIT (Reset) active low output
Initialize the printer (reset).
SLCT IN (Select In) active low output
Send a on-line request to the printer.