Also, what do your stats look like? 6kft is getting beyond the sweet spot for VDSL2, particularly if you're trying to push 10Mbps on the upstream.
Sent from my iPhone > On Jan 15, 2015, at 5:36, Shawn L <sha...@up.net> wrote: > > 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 >>
