I was going to ask if you've tested the cable pair at all. If the pair is bad, or even a little out of balance, bad scotch loks, etc. VDSL isn't going to work properly.
We have customers that are definitely in-range for VDSL but who cannot get it because there is a 26 gauge insert between two cross-connect cabinets in the field On Thu, Jan 15, 2015 at 8:15 AM, Scott Helms <khe...@zcorum.com> wrote: > I'm going to guess you're a CLEC from your website and a common problem > I've seen in that scenario is that vectoring doesn't work between DSLAMs > because it needs all pairs to be part of the vector group so that the DSLAM > can mitigate FEXT. DSLAM vendors have been working on system level, rather > than DSLAM/binder level, vectoring for a while but cross vendor support is > questionable at best. > > Read the section on system level vectoring especially: > http://www.adtran.com/web/fileDownload/doc/32362 > > If you are sharing binders with the ILEC and potentially other CLECs then > you really need to talk to you ILEC rep and find out what they're doing for > system level vectoring to see if there is an option for your DSLAMs to be > included. That benefits everyone and will _greatly_ increase performance. > VDSL2 speeds will otherwise be unreachable unless the ILEC gives each CLEC > their own binder, not very practical. > > > > Scott Helms > Vice President of Technology > ZCorum > (678) 507-5000 > -------------------------------- > http://twitter.com/kscotthelms > -------------------------------- > > On Wed, Jan 14, 2015 at 9:29 AM, Stetson Blake < > stetson.bl...@datayardworks.com> wrote: > > > Hey All, > > > > We have been deploying Adtran 838(shdsl) and 868(dsl) units in our metro > > area with mixed results. The devices themselves are reliable and secure > > it would seem, but the speeds were are able to get are not. ie. we have > > deployed 'vdsl' and needed 3 lines to get up to 10x10 speeds. We are > > using an Adtran TA5000 on the other end to terminate our connections. > > The distance between the site and CO is not great (under 6k feet). What > > gives? Are we provisioning wrong, using the wrong equipment, or a > > combination of both? > > If we were able to get the speeds others have been reporting from VDSL, > > life would be great. > > Anyone feel free to contact me off-list or on, this has had me > > scratching my head for a while now. > > > > Thanks, > > > > -- > > Stetson Blake > > Network Technician > > DataYard > > 130 West Second St. > > Suite 250 > > Dayton, OH 45402 > > > > http://datayardworks.com > > > > > > > > > > > > >