Connector ID needed

ckeene · Post by **ckeene** » Mon Jul 10, 2006 6:12 am

I just got a used patchbay and would appreciate any help identifying the connector on back. (I'm sorry, I'm having trouble with my camera right now so I can't post pics.)

It's an ADC TT type PB and it looks like it was professionally wired. The patch points terminate to 5 blocks on the back of the unit, each of which are a grid of 60 pins in a 6x10 array. The pins are an inch long, have a square cross section and are spaced out approx 1/4" apart.

Does this sound like a familiar connector? Is there a block I can pick up to build out ends for this?

Thanks

-chris

mpedrummer · Post by **mpedrummer** » Mon Jul 10, 2006 7:18 am

Are you sure they're all 10 in the rows? If 4 rows were only 9, then it sounds like an ELCO connector.

http://www.audiogear.com/cgi-bin/shoppe ... add=action

That's an ELCO connector.

http://www.audiogear.com/cgi-bin/shoppe ... add=action

That's an EDAC.

If it's really 60 pin, then I dunno what the heck it is

MPEDrummer

ckeene · Post by **ckeene** » Mon Jul 10, 2006 7:28 am

Definitely not ELCOs. These have a perfect grid of pins, not staggered like an ELCO. definitely 10x6, too.

brianroth · Post by **brianroth** » Tue Jul 11, 2006 1:18 am

Sounds like QPC pins:

http://www.patchbays.com/MINI-QCP_punch.htm

IIRC, there are two different QPC versions, and each had a different punchdown tool.

Bri

ckeene · Post by **ckeene** » Tue Jul 11, 2006 6:14 am

brianroth wrote:Sounds like QPC pins:

http://www.patchbays.com/MINI-QCP_punch.htm

IIRC, there are two different QPC versions, and each had a different punchdown tool.

Bri

no, that's not it. They're just small bare pins sticking out. Anyway, it's dumb of me to ask this question without a photo, so I'll try and get one up tonight.

brianroth · Post by **brianroth** » Wed Jul 12, 2006 1:22 am

OK, then maybe they are wirewrap pins? Hmmm..can't say I've seen wirewraps used on patch bays.

Bri

ckeene · Post by **ckeene** » Thu Jul 13, 2006 12:15 pm

This is it right here:
https://www6.adc.com/ecom/hier?ITEM=OND ... EV=OND7314

Apparently it is wire wrap. I wonder if i should just wire wrap my connectors to the pins, or rewire the whole thing? Any suggestions anyone?

brianroth · Post by **brianroth** » Fri Jul 14, 2006 3:24 am

The "DS0" designation is a big tip-off that bay was intended for some sort of usage down in the "bowels" of Ma Bell/ATT.

DS0 is a term for a type of digital phone circuit (64K bits/second).

Wirewrap pins are designed for a very specific type of solid core wire (skinny...maybe 26 or 28 gauge?) with a special thin outer insulation. You use a special tool to "spin" the wire onto the posts. In Ye Olde Daze, I built more than a few little digital gizmos with wire wrap vs. making up a circuit board. Some early 1980's Neve consoles used wire wrap inside of the card cages which held the line amps, switching stuff, etc.

Wiki to the rescue:

http://en.wikipedia.org/wiki/Wire_wrap

You could solder ordinary (stranded) audio wire onto the pins, but geeezzz...the pins are so closely spaced.

I'd cut everything out of the bay and start over with fresh wiring onto the pins of the patch jacks.

Bri

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