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 Post subject: FOXBORO boards grading?
PostPosted: Mon May 15, 2017 4:37 pm 

Joined: Thu Dec 25, 2014 12:48 am
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I have a lot of FOXBORO equipment and will probably scrap it all because its really not selling on eBay for enough for me to make enough to list it all. Here are a few pictures of what I have.
My questions are,
Will the boards I removed sell for telecom grade?
Will the power modules sell for "power supplies"?

Any other advice I thank you for in advance.

dave


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PostPosted: Mon May 15, 2017 10:42 pm 
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At the moment the power brick is power supply rate. If this has the giant gold fin connectors, and enough of them, things get interesting. By removing the boards from the case and carefully processing this or that yes they bump up fast, even to peripheral for some boards. All depends on the connectors, amount of internal gold ports and what's on it. If you want to pull apart one and post the internals I could give you a better idea.

The tray is telco,
the final board is peripheral

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PostPosted: Tue May 16, 2017 1:33 am 

Joined: Thu Dec 25, 2014 12:48 am
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Awesome, thanks! I will pull a power unit apart tomorrow and post some pics. What do you think of the boards that are square?


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PostPosted: Tue May 16, 2017 1:40 am 
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The second/third photo, the tray board, is telco
The long skinny ones at peripheral

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PostPosted: Tue May 16, 2017 10:35 pm 

Joined: Thu Dec 25, 2014 12:48 am
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I pulled apart a power unit and the attached pictures are what is inside. Also I pulled one of the gold pins, cut it into and filled it somewhat flat to show you what it looks like. Looks solid gold to me. I did test a 14k acid test with the pin I cut, and did Not pass. I feel it is solid gold but probably about 9k or possible less in my opinion. I value an comment on this so please let me know what ya'll think?


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PostPosted: Wed May 17, 2017 12:54 am 
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The big board is midgrade. The smaller is peripheral, as long as nothing major on the backside.
And a transformer

The pins, assuming gold and not brass, I've got an extensive breakdown elsewhere that turned into a math lesson for all of us but aside from an xrf gun you can't place them at home. I believe ones like these these worked out somewhere around 1/10 4K by volume on the kt scale which is apx 0.6 on the: well... no jewellery shop wants them but good enough to leave on the boards and take the bump up

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PostPosted: Fri May 19, 2017 12:46 pm 

Joined: Mon May 04, 2015 11:57 pm
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lost wouldn't it be best to unload those transformers at a local yard as CBM?

Since I'm bringing it up I've been saving up CBM for awhile now. Are their classifications or grades of CBM? If so how should I sort it?


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PostPosted: Fri May 19, 2017 6:36 pm 
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CBM should go to a local yard. Boardsort doesn't really want it. What little they do wind up with tends to be classed as low grade or midgrade but it's not something they buy on it's own.
You'll get better rates for most CBM locally anyway since stuff like transformers and motors tend to have different price classes.

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