Loop Compensation

[Matrix0319]

I'm not sure on when to use loop compensation. I think the default value is short loop.

I believe the loop compensation should not be enabled if you have a "long loop" and should be enabled if you have a short loop. However, what is long and short? Is the "network tuning feature" the same as "loop compensation"?

Thanks for your help.

 

[johnpoole]

not quite the same, loop loss is measured in db, but most of us use a ohm limit to decide on loop treatment. for digital phones, don't bother. if they are past the limit it becomes a timing factor. for analog doubling the cable pair helps. unless the user suffers from loss of volumne, or ring is way down, i don't get out a meter. nortel does make an analog line card for phones in excess of 5000 feet

john poole
bellsouth business
columbia,sc