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Posted by Henry Cabot Henhouse III on July 12, 2005, 5:17 am
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I put one Verilink I found in a pile of old stuff on the 200 side, and they
finally synced up.
So I guess it was the Adtran to Adtran arrangement.
>I am totally befuddled...
>
> We have 2 dry pair between 2 buildings running 3 blocks to the b box then
> a block back. Some time ago, I used 2 csu's (verilink) and sucessfully
> linked a DS1 on the 2000 to the DS1 on the 200. The tie line worked
> wonderfully.
>
> Then we added flash transfer on our channelized T1 at the 2000 and didn't
> need the tie line. So I took it down and let the 2 pair sit idle.
>
> Now that we've gone PRI and the SX2000 doesn't support 2BCT, I need to get
> the tie line back up.
>
> I toned out my pairs, hooked up Adtran csu's at leach end, looped the
> premise side, and the Adtrans seemed happy. When I loop the far end, the
> DS1 in the SX2000 goes out of alarm. But when I hook up the SX200 DS1
> side, they don't sync up.
>
> If I recall, I think we used T1 E&M immediate/immediate. But that doesnt
> seem to work. There is an option on the 2000 for T1 Loop/Tie, but I can't
> find an equivilent descriptor on the 200 to support T1 Loop/Tie. I'm using
> DSX-1 at the 2000 and T1 CSU on the 200.
>
> Even though the Adtrans look happy when looped, could they not be "robust"
> enough to handle the distance? I would have used Verilink, but I can only
> find one.
>
> Any ideas/suggestions would be greatly appreciated!
>
> Thanks
> Dave
>
>
>
>
>
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