Serial (SUN)
From HwB
Available on SUN computers since the SUN3 series (1988) to the current UltraSparc systems
(RS423/RS232)
Pinout
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).
Contributions
Sources
- SUN SPARCengine Ultra 20 OEM Manual