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Re: [OM] IMG: Crossroads

Subject: Re: [OM] IMG: Crossroads
From: Jez Cunningham <jez@xxxxxxxxxxxxxx>
Date: Tue, 28 Jan 2014 22:23:12 +0000
Do you consider the subsequent reed-relay-technology-based switches to
be electro-mechanical?

On 28/01/2014, Chris Trask <christrask@xxxxxxxxxxxxx> wrote:
>>
>>I wonder if that's the same as the strowger switch we had in the UK - up
>>then rotate. I worked on both the phone and the telex version, telex
>>used +80v and -80v for signalling and 160v combined  gave quite a shock
>>if you weren't careful when jumpering.
>>
>
>      Quite likely, the last gasp in electro-mechanical telecom switching.
> Ten wafers each with ten sets of contacts and an open slot.  It handled two
> digits.  The first digit advanced the rotor to the proper wafer, then the
> second digit rotated the shaft.  Took the place of eleven single-wafer
> rotary switches.  <BRRRR> <CLICK CLICK CLICK...>
>
>
> Chris
>
> When the going gets weird, the weird turn pro
>      - Hunter S. Thompson
> --
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