Firefox has its own pdf view, but it apparently doesn't like the UGC-6 pdf. 

As john said, downloading the pdf first, then opening it with Adobe works.  Looks like a good schematic

Thanks,

Duncan

On 08-Apr-23 01:09, Paul Heller wrote:
Hi Duncan,

The link for UGC-6 does not give me a blank page. I see a wiring diagram. 

Paul
W2TTY
On Apr 8, 2023, at 3:09 AM, Duncan Brown <[email protected]> wrote:

 Nick,

I found that "m28-13" drawing on RTTY.COM.  It is relatively easy to read, especially the way they separate the AC & DC circuits.  There are notes referenced on that drawing, but not on the drawing.  Is there another page that goes with it?

The link for the UGC-6 you sent me https://www.navy-radio.com/tty/asr/ugc6-schem-01.pdf just gives a blank pdf page.

Thanks,

Duncan
K2OEQ


On 07-Apr-23 18:04, Nick England wrote:
I generally like the ones that say something like:
28ASR with LESU13
115vac circuits at top. Loop circuits at bottom. 
The terminals at rear are Cxx. This is not a very good scan but I am on my phone and searching is hard. More later. 

It depends on the LESU of course, but loop terminals are almost always the same C

On Fri, Apr 7, 2023 at 2:59 PM Duncan Brown <[email protected]> wrote:
Jeffery,

Thanks, but I l have that document and it is very hard to follow.

I did find some schematics at http://rtty.com/development/teletype/model28ASR/index.html which look more helpful. (although there are rfreferences to "Notes" which are not there.)

Duncan
K2OEQ



On 07-Apr-23 14:50, Jeffrey Golas wrote:
I got you fam!

Jeff KC3GJX


On Apr 7, 2023, at 2:24 PM, Duncan Brown <[email protected]> wrote:

 I'm trying to set up a M28ASR and I need to find the rear terminal strip connections for the printer, keyboard, tape reader and aux reperf. The unit was from a civilian installation, but is referred to as a "UGC-6" on the patch panel.

I've tried to find a basic connection diagram from the documentation on Nick's site, but as Nick once said:
"Sometimes I think the Teletype publications group was run like a super-secret govt project - each group wrote about its own little piece, but no one knew how it all got connected together.......except for the document package shipped with each machine which was always discarded within two weeks."

Can someone just give me the rear panel terminal strip connections for the i/o's to/from the cabinet?

I will be wiring everything on separate loops.  When I switch from "LINE" to "TEST", does everything get put into the one local loop?

Thanks,

Duncan
K2OEQ

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