14 Mar
2015
14 Mar
'15
11:37 a.m.
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:
which
connector is active. 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