24 Jul
2007
24 Jul
'07
1:43 p.m.
Dave McGuire wrote:
I use one on a daily basis at work.
What do you want to know?
Protocol specs! :-)
I may or may not be able to get protocol specs. I'll have to look.
What I know I can get is AIX API docs for it.
Peace... Sridhar
>>> I have the power adapter now and the
correct cabling. This device
>>> communicates over the serial port, but I have no idea how to talk to
>>> it, and I haven't even been able to get it to transmit noise on the
>>> serial port to the host PC. (I've tried a variety of bps rates.)
>>>
>>> Does anybody have IBM book SA23-2646-01 "Hardware Technical
>>> Reference: Options and Devices" ? The protocol for speaking to this
>>> thing might be in there ...
I'm pretty sure I can get that book.
If anybody
else has one connected to a PC RT or an old AIX box, it
would be possible to reverse engineer the protocol by tapping the
serial cable and watching what comes across.
It's a neat looking piece of hardware - 32 buttons, each having a
controllable indicator light. But I'm getting grumpy because I have
no idea how to feed it. :-(
I have a few of those. Really, really neat little
boxes. I've
been similarly unable to find out anything about them. :-(