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pinout (распиновка) |
Apple LaserWriter Serial connector
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25 pin D-SUB connector |
| Pin |
Name |
Dir |
Description |
| 1 |
GND |
 |
Ground |
| 2 |
TXD- |
 |
Transmit Data |
| 3 |
RXD- |
 |
Receive Data |
| 4 |
RTS |
|
Request To Send |
| 5 |
CTS |
|
Clear To Send |
| 6 |
DSR |
|
Data Set Ready |
| 7 |
GND |
|
Ground |
| 8 |
DCD |
|
Data Carrier Detect |
| 20 |
DTR- |
|
Data Terminal Ready |
| 22 |
RING |
|
? |
| |
Note: Direction is Printer relative Computer.
Источник: Technote HW19: Pinouts at Apple Technical Notes
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