On Thu, Aug 26, 2004 at 01:43:38 +1000, Peter Rundle wrote:

> Correct. 2, 3 & 7 are wired as per normal rs232. The second and third 
> serial ports are wired to other pins (sorry don't know which ones) and the 
> splitter just wires them back to 2, 3 & 7.

The pinout varies:

    http://www.stokely.com/unix.serial.port.resources/A-B-Ycablepinout.html

although it says that a 220R has two separate DB25 ports.  This
document:

    http://docs.sun.com/db/doc/806-1081-10/6jad2hnsg?a=view

also says that there are two DB25 connectors with standard RS-232
pinout.


Cheers,

John
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