Sounds like a part of a DMB32 (?) for Decnet WAN conections.

The VAX 6000 I used to admin had one as part of Shared Medical Systems
worldwide DECnet network in the early ninetys.

On Fri, 13 Jul 2001, Master of all that Sucks wrote:

>
> How about on my DS5840/VAX6000?  Doesn't have MFM.
>
> Peace...  Sridhar
>
> On Fri, 13 Jul 2001, Brian Hechinger wrote:
>
> > On Fri, Jul 13, 2001 at 07:42:27PM -0400, Master of all that Sucks wrote:
> > >
> > > Hi.  I seem to find this connector with 50 pins in three rows in a D-shell
> > > on my VAXservers and VAXstations.  I even have one or two on my DECsystem
> > > 5840.  Could someone tell me what they are?  Three rows.  17 - 16 - 17.
> >
> > it's the MFM "Extention" cable.  you can put external MFM devices on it.
> >
> > -brian
> >
>

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