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Joined: Feb 2006
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This client is an old, loyal client and they have a large Mitel PBX. I knew my fiber solution would work so, I kind of hedged my bet. The other reason the fiber price was low was so I could charge them each time I added another circuit. The initial job was for 2 PRI circuits which I could have done with a 6 fiber cable. Instead, I installed a 12 fiber cable which allowed me, using the Transition Networks MUX to have a total of 11 PRI/TI circuits.

I have since installed a 24 fiber cable to feed other businesses in that end of the building.

Rcaman


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Smart work & good business!

Sam


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Getting back to the possible open pairs, my opinion is that basic wiring installation seems to be a lost art.

You need to understand the metallic characteristics of twisted copper pairs. Has anyone ever taught you these things? You would not be expected to know them unless you were taught.

Do you own an open meter? A Dynatel loop tester of any type? Even a kick meter? Any of them would have allowed you to find suitable pairs. Did you have a helper with you? I would say that trying to find two good pairs would be much less of a fool's errand were you to have had help doing so.

Here's how to do it alone:

Test all pairs for battery, ground, shorts, unbalance, and opens.

Strap (short circuit) and cross to ground all available spares that look like they make it all the way to the other end.

Go to the other end and start looking for good conductors (half-pairs, to be precise).

Your meter will indicate a ground on all good conductors.

Select two good pairs that are as far away from each other in the cable lay-up as possible.

Go back and make all the other pairs normal.

End of lesson.





Arthur P. Bloom
"30 years of faithful service...15 years on hold"

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Arthur, you're the greatest! And Ralph (Rcaman), you just separated the men from the boys! aok

Last edited by MnDave; 03/21/15 12:04 PM. Reason: To give kudos to two awsome guys!

- Dave S. -

You can never appease your ideologue opponents.

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