How far can i send my E3, T3 DS3

Unanswered Question
May 18th, 2008

Just how far can i reliably transmit my E3 / T3 / DS3 circuit from my Cisco 10008?

I see varying reports of 450 feet or 450 + 450 feet via a DSX frame?

Is it possible to reach greater distance with lower loss co-ax?

Is there a spec for such a co-ax?



I have this problem too.
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andrew.burns Mon, 05/19/2008 - 06:21


The 900' distance limitation is end-to-end. (It's actually something like 12dB end-to-end loss rather than an actual distance.) Don't forget, because you have equal level point at the DSX you only need to consider the distance from the 10008 to the DSX. (Assuming that you're connecting to a DSX)

I've haven't heard about any "low-loss" co-ax cable that allows the distance to be extended but it's been a long time since I worked in this kind of environment, so you never know. Typically, the best you can do is 450' using 728A co-ax (735A co-ax will only go 225') so if you need to extend you're really looking at line-extenders or repeaters.




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