[Boatanchors] [GreenKeys] USS Midway notes

[Nick England]

Just because my fingers got carried away, let me point out that
encrypted stuff went to one set of patch panels (BLACK) while the
unencrypted stuff went to another set (RED) - and never the twain
shall meet, except at a secure keyswitch, I assume for test or
monitoring -
Nick



On Tue, Mar 1, 2011 at 4:42 PM, Nick England <navy.radio at gmail.com> wrote:
> Great report Larry -
> The TTY lines all went through patch panels like the ones shown at
> http://www.navy-radio.com/rtty-patch.htm
> There would be banks of the 6-line panels like this -
> http://www.navy-radio.com/ships/sherman-01.jpg
> or on larger ships banks of the 24-line panels like this one
> http://www.navy-radio.com/ships/bb62/p1010047.jpg
>
> They'd be wired up so that with few patch cords were needed for normal
> operation, something like this -
> Line 1 - RTTY converter output to a Crypto unit input
> Line 2 - Crypto unit output to TTY reperf
> Line 3 - TTY TD to Crypto unit input
> Line 4 - Crypto unit output to RTTY keyer
> etc.
>
> But if a unit needed to be replaced for maintenance or patched to some
> other destination, you could easily do that with one or two cords.
>
> A small ship system diagram is shown here -
> http://www.navy-radio.com/ships/ship-75a.JPG
> SB-1203 and SB-1210 are the TTY patch panels. You can also see how the
> rcvr audio and xntr control/audio were run through switchboards so
> that anything could be connected to anything.
>
> cheers,
> Nick K4NYW
> www.navy-radio.com
>
>
> On Tue, Mar 1, 2011 at 3:17 PM, LARRY D GODEK <telegrapher at q.com> wrote:
>>
> ......  Did all machines in the main receiver room terminate at one
> patch panel bay or were they wired direct to another machine somewhere
> else on the ship?  Lots a questions on this.  Come on you Navy ET's.
>>
>> Larry
>> W0OGH
>>
>