Serial (SUN)

From HwB

Available on SUN computers since the SUN3 series (1988) to the current UltraSparc systems
(RS423/RS232)

[edit] Pinout

Image:dsub25f.png

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).

[edit] Contributions

[edit] Sources

  • SUN SPARCengine Ultra 20 OEM Manual