Author Topic: Advice on a 122-key Model M  (Read 2739 times)

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Offline Winrar

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Advice on a 122-key Model M
« on: Wed, 06 March 2019, 19:50:43 »
Hi.

Every now and then I get the Model M bug and buy whatever keyboards I get my hands on.

I suffered at least 2 episodes of it and I'm now getting through the third.

So I paid a visit to the place I store my Model Ms and was surprised by this:




It has an attached cable:



With this connector:





Which, according to this DT page is an "RJ11" connector.

According to the label in the rear, it is a 1390587 P/N built in UK in February 1989. The keyboard is in pristine condition. I haven't opened it yet, but it doesn't sound like it has any broken rivets.

Assuming that this is a terminal keyboard, I seem to understand that a mere RJ11-PS/2 adaptor (if such thing actually exists) won't make it work. This reddit page says the cable is AT protocol and that I should purchase one of those cables with an integrated Soarer's converter from the eBay user orihalcon, but links to a cable whose plugs have no resemblance to this.

I think that what I need is this cable, but the listing talks only about the Model F, so I would like any of the knowledgeable individuals in here to confirm.

TIA.
« Last Edit: Wed, 06 March 2019, 19:54:20 by Winrar »

Offline SilenceGoo

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Re: Advice on a 122-key Model M
« Reply #1 on: Wed, 06 March 2019, 19:53:43 »
Caps are very rare, I also have 2 m122s but the caps are quite different.

Offline Winrar

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Re: Advice on a 122-key Model M
« Reply #2 on: Wed, 06 March 2019, 19:55:57 »
Caps are very rare, I also have 2 m122s but the caps are quite different.

It's a spanish layout keyboard. The blank keys do actually have keycaps on, so I think they are meant to be blank.

Offline fohat.digs

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Re: Advice on a 122-key Model M
« Reply #3 on: Wed, 06 March 2019, 20:25:49 »
That is not an RJ-11, it is a 240-degree DIN plug.

Orihalcon makes one that works great.

PS - your orihalcon picture shows an "AT" socket which is a 180-degree DIN
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Offline Winrar

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Re: Advice on a 122-key Model M
« Reply #4 on: Thu, 07 March 2019, 07:35:21 »
That is not an RJ-11, it is a 240-degree DIN plug.

I see. Thanks. It seems that the GH wiki entry is mistaken about this 1390587. It should read "Coiled & attached cable ending in a 90°-angled 240° 5-pin DIN connector" instead of "RJ11, coiled & attached cable".

Orihalcon makes one that works great.

PS - your orihalcon picture shows an "AT" socket which is a 180-degree DIN

Thanks again. I guess that what I need is this orihalcon cable.

Offline fohat.digs

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Re: Advice on a 122-key Model M
« Reply #5 on: Thu, 07 March 2019, 12:21:47 »

I guess that what I need is this orihalcon cable.


That's the one. It will also work with the 122-key Model F when you decide to upgrade to the Emperor.

Contact Orihalcon directly through the forum and save a couple of bucks off the ebay price.
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Offline Sintpinty

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Re: Advice on a 122-key Model M
« Reply #6 on: Thu, 07 March 2019, 14:10:53 »
Those arrow keys are cool? I love these guys!
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