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Re: Serial console on second port?

On Monday 30 March 2009, Johnny Billquist wrote:
> One nice property of MMJ is also that for a null-modem cable, you
> should connect 1-6, 2-5, 3-4. So it's symmetrical. So the easy way to
> see if a cable is a null-modem cable is just to inspect the
> connectors. If they are turned the same way at both ends, it's a
> null-modem cable, and if they are the opposite ways, it's a straight
> cable.

By design, also, all MMJ cables should be null-modem.  If you have to 
convert to DE9 or DB25 serial connectors, there's different adapters 
for DCE and DTE so that you always use a roll-over MMJ cable instead of 
a stright through one.

Purdue University Research Computing ---  http://www.rcac.purdue.edu/
The Computer Refuge                  ---  http://computer-refuge.org

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