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pinout (распиновка) |
Serial (SUN) connector
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Available on SUN computers since the SUN3 series (1988) to the current UltraSparc systems (RS423/RS232)
25 pin D-SUB FEMALE connector at the computer |
| Pin |
Name |
Dir |
Description |
| 1 |
n/c |
- |
|
| 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 |
- |
System Ground |
| 8 |
DCD |
|
Data Carrier Detect |
| 9 |
n/c |
- |
|
| 10 |
n/c |
- |
|
| 11 |
n/c |
- |
|
| 12 |
n/c |
- |
|
| 13 |
n/c |
- |
|
| 14 |
n/c |
- |
|
| 15 |
TRxC |
|
Transmit Clock |
| 16 |
n/c |
- |
|
| 17 |
RTxC |
|
Receive Clock |
| 18 |
n/c |
- |
|
| 19 |
n/c |
- |
|
| 20 |
DTR |
|
Data Terminal Ready |
| 21 |
n/c |
- |
|
| 22 |
n/c |
- |
|
| 23 |
n/c |
- |
|
| 24 |
TxC |
|
Transmit Clock |
| 25 |
n/c |
- |
|
| |
Note: Direction is DTE (Computer) relative DCE (Modem)
Источник: SUN SPARCengine Ultra 20 OEM Manual
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