Twinax Tester

I recently took on new customer.. He wants to use twinax for his
local devices(approx 20)sooooo I said fine, we will use twinax but
he has insisted on making up his own cables(I was against this) but
here we are.. While at an older customer site this weekend, I ran
across a twinax tester made by IBM that was shipped with his old
9406-D35... It was still in the box and to my knowledge, never been
used... We couldn't find the manual that goes with the tester... 
Does anybody know what the correct manual is for this device or maybe
a short telephone course on how this puppy works..... It looks like
it can test either twinax or twisted pair so it could come in handy
for other site problems....
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