IBM 5394

IBM workstations/servers/mainframes and operating systems (AIX, OS/2, etc.)
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Re: IBM 5394

Unread postby pentium » Fri Aug 09, 2013 12:21 am

I've only know of Apple's in-house built twinax card. I've only seen it ONCE and apparently they DID sell them but they were obviously not a hot seller.
I'm pretty sure one of IBM's twinax cables for their own cards and terminals will work fine with that card but if it isn't the Apple card I have no idea where you could find extensions.
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Re: IBM 5394

Unread postby hamei » Fri Aug 09, 2013 2:04 am

robespierre wrote:The wiring is different, but the modulation is very similar (although the protocol is different).

That sounds like a description I once read of the difference between RS-232 and current loop. "They are very similar but totally different" :D
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Re: IBM 5394

Unread postby robespierre » Fri Aug 09, 2013 9:39 am

yeah that sounds about right. you can convert rs232 <-> 20mA with a simple circuit that uses optoisolators and emitter followers.
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