Sun Serial 25 pin

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Image:connector_dsub25f.png 25 pin D-SUB female connector at the computer.

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

Pin Name Dir Description
1 n/c -
2 TXD OUT Transmit Data
3 RXD IN Receive Data
4 RTS OUT Request to Send
5 CTS IN Clear to Send
6 DSR IN Data Set Ready
7 GND - System Ground
8 DCD IN Data Carrier Detect
9 n/c - BUTTON_POR (Power-on reset) for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
10 n/c - BUTTON_XIR_L (Transmit internal reset) for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
11 n/c - +5 Vdc for Sun Ultra 80 / Sun Blade 1000 / Sun Blade 2000 / Sun Fire 280R / Enterprise 420R
12 n/c -
13 n/c -
14 n/c -
15 TRxC IN Transmit Clock
16 n/c -
17 RTxC IN Receive Clock
18 n/c -
19 n/c -
20 DTR OUT Data Terminal Ready
21 n/c -
22 n/c -
23 n/c -
24 TxC OUT Transmit Clock
25 n/c -

References

Category:Serial Connectors

 

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