DESQA Manual?

[Robert Jarratt]

Still, there is no DESQA manual online, if anyone has one scanned it would still be nice to have it.

Regards

Rob

> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Robert
> Jarratt
> Sent: 14 March 2015 17:50
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> Subject: RE: DESQA Manual?
> 
> Oh dear! My wife keeps telling me I don't look properly, now I can see the
> jumper block as plain as day. Sorry about that!
> 
> Regards
> 
> Rob
> 
> > -----Original Message-----
> > From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Glen
> > Slick
> > Sent: 14 March 2015 16:08
> > To: General Discussion: On-Topic and Off-Topic Posts
> > Subject: Re: DESQA Manual?
> >
> > On Sat, Mar 14, 2015 at 8:17 AM, Robert Jarratt
> > <robert.jarratt at ntlworld.com> wrote:
> > > I picked up a DESQA recently which seems to be configured for
> > > thinwire rather than AUI. There is no external switch for it and I
> > > can't find a manual to tell me how to swap it to AUI.
> >
> > The M3127 DESQA boards that I have all have an obvious push button
> > externally accessible next to the BNC connector and there are
> > externally visible LED indicators adjacent to the BNC and AUI
> > connectors to indicate which connector is active.
> >
> > Those M3127 DESQA boards look like the version shown in the pictures
> > for this eBay listing:
> > http://www.ebay.com/itm/141321641194
> >
> > It appears that there is an earlier version of the M3127 DESQA which
> > does not have that externally accessible push button.
> >
> > Does the M3127 DESQA board you have look like the version show in the
> > pictures for this eBay listing?
> > http://www.ebay.com/itm/221696083936
> >
> > On that version it looks like there is a 10-way jumper block in the
> > middle of the board and THINWIRE / THICKWIRE legends screened on the
> > board next to the jumper block to indicate how it should be positioned
> > to select the connector type. It looks like there are externally
> > visible LED indicators adjacent to the BNC and AUI connectors to indicate
> which connector is active.