On Sat, 17 Jan 2009 17:57:10 PST Kamlesh Patel <[email protected]> wrote:
> Hi All,
>
> I am trying remote kernel debugging in FreeBSD using serial communication. I
> got the following link.
>
> http://www.ibm.com/developerworks/aix/library/au-debugfreebsd.html#list1
>
> My problem is my developing and target system does not have DS25 female port.
>
> Anyone have any idea about Remote kernel debugging in FreeBSD using DS9 F/F S
> erial cable or any other remote debugging idea?
Get one or more modular kits like the one below:
http://www.cablesnmor.com/modular-kit-db9f-rj45.aspx
Now wire it according to the pinouts here:
http://yost.com/computers/RJ45-serial/index.html
If (in the unlikely event) you have any more RS-232 devices,
you can attach a similar db{9,25}{f,m}-rj45 adapter to each
-- just make sure that on the RJ-45 side signals come out as
specified in the web page above (also reproduced below).
Now you can use a "half-twist" 8 conductor cable to connect
*any* two such devices. You can even use a 4 or 6 conductor
half-twist cable with the same RJ-45 jacks since the layout
is such that the more important signals are towards the
middle.
1 2 3 4 5 6 7 8
CTS DCD RD SG SG TD DTR RTS
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