phone systems, old and less-old

[Jon Elson]

On 09/18/2019 08:27 PM, Fred Cisin via cctalk wrote:
> On Wed, 18 Sep 2019, Jon Elson via cctalk wrote:
>> Oh, my Gosh!  the first 3 pics are of a KTU phone 
>> system.  If you are OLD enough, remember the phones with 
>> 5 line select buttons and a red hold button below the 
>> rotary dial?  That is what that unit supports, the 565 
>> phone.
>
> Please don't let anybody call the 25 pair 50-pin miniature 
> ribbon connector (RJ21),  "Centronics"!
>
Nope, AMP mini-blue ribbon.

Jon