[GreenKeys] SB-1203A Patch Panel (Manual wanted)

[Sheldon Daitch]

Greg,

What we used to use with DC patch panels were T-R-S plugs, similar
to a stereo 1/4-inch phone plug, except that there is an extra
insulated portion between the tip and the ring.  This is to
prevent a short in a circuit while the plug is being installed.

I believe that Switchcraft 480-485 series plugs will be
in the neighborhood.  A start will be the Newark Electronics
web site  http://www.newark.com/  and look (search for) at
their stock number 22F391.

I've not looked at the Switchcraft site, tho, for other URLs.

73
Sheldon
WA4MZZ




"Gregory W. Moore" wrote:
> 
> Would any of you fellow Greenkeyers know what patch cord is used with the
> SB-1203A patch panel? This is NOT the polarized double cord used on the
> SB-2244/UG.  While checking the thing out, I discovered that while a
> regular 1/4" phone plug will fit, work the switch, and conduct all the
> proper stuff, the length is a hair too short to lock in the tip securely.
> 
> Any info would be greatly appreciated, or if some were "floating around" I
> would be interested in purchasing several. It isn't like I couldn't make
> them up, but for originality's sake, the "official" manufactured ones
> would be preferred. If they are unobtainium, I will simply make them up
> locally.
> 
> In addition, if someone wishes to part with a Distortion test set, I would
> be happy to give it a good home and plenty of use.
> 
> Also, if someone has a typing reperf for a 28ASR (chadless preferred), and
> the modified front panel  for the reperf cover(the one which includes the
> tape exit hole), I would also be interested in purchasing same, along with
> the gearset. Since I have not recieved the 28 yet, it is being shipped, I
> may be trolling for gearsets for that as well.
> 73 es tnx de WA3IVX (Greg
> 
> "Gregory W. Moore" wrote:
> 
> > If anyone has a manual for the SB-1203A patch panel (6 loops), I would
> > like to buy same, or will trade for a copy of a manual for SB-2244/UG
> > patch panel (3 loops/3 stepping loops). I recently obtained a SB-1203
> > for my shack, but the manual was for the other unit.
> > For info, the SB-1203A was used as a "black" panel (unclassified or
> > encrypted data) while the SB-2244 was used as a "red" panel (secure,
> > input to crypto devices or output).
> > 73 es tnx
> > de Greg WA3IVX
> >
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