Available on SUN computers since the SUN3 series (1988) to the current UltraSparc systems
(RS423/RS232)
(at the computer)
25 PIN D-SUB FEMALE 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).
| Contributor: | Joakim Ögren |
| Source: | SUN SPARCengine Ultra 20 OEM Manual |
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13