Re: Null Modem: DB9 Male or Female ?
From: Goran Larsson (hoh_at_invalid.invalid)
Date: 12/20/04
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Date: Mon, 20 Dec 2004 18:04:47 GMT
In article <1103558546.322196.56410@f14g2000cwb.googlegroups.com>,
dotyet <dotyet@yahoo.com> wrote:
> On the PC end, I have a DB9 male serial port (One with Pins).
The DB9 is a nice car manufactured by Aston Martin. What you have
on the PC is a DE9P (D shell, size E, 9 pins).
> Any idea, What could be the serial port type on the Sun machine - a DB9
> male or female?
The U5 serial port A is a DB25S (D shell, size B, 25 sockets).
The U5 serial port B is a DE9P (D shell, size E, 9 pins).
Serial port A:
< http://docs.sun.com/app/docs/doc/805-7763-12/6j7a690v7?a=view >
Serial port B:
< http://docs.sun.com/app/docs/doc/805-7763-12/6j7a690v8?a=view >
If you want to use the PC as a serial console then you need to use
serial port A.
More information about the U5 can be found here:
< http://sunsolve.sun.com/handbook_pub/Systems/U5/U5.html >
> One more question, is there anyway I could use a Standard PC based PS/2
> Keyboard and mouse with this Sun machine?
The U5 keyboard/mouse connector is standard RS232 protocol using TTL
standard signalling levels. The PC PS/2 keyboard and mouse connectors
are a proprietary protocol. They are not compatible. There are
converter boxes on the market that sits between the Sun machine and the
PS/2 keyboard and PS/2 mouse. Examples is the APSSUN on
< http://www.raritan.com/products/access_periph/conv_emul_adpt/prd_line.aspx?currpg=prd_line >
and this one < http://www.compuplus.com/insidepage.php3?id=1001066 >.
-- Göran Larsson http://www.mitt-eget.com/
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