Telecom Technical WTD: DSL modem pair

> Hello all,
>
> I am looking for a two-wire high-speed DSL modem pair.
>
> I have learned online that I need an HTU-C on one end and
> a HTU-R on the other end.
>
> Can anyone make some suggestions about what available.
>
> This is for a closed loop video conferencing and data
> application.
>
> Thank You
>
> hamilton AT dimensional DOT com

> hamilton wrote:
>

>>Hello all,
>>
>>I am looking for a two-wire high-speed DSL modem pair.
>>
>>I have learned online that I need an HTU-C on one end and
>>a HTU-R on the other end.
>>
>>Can anyone make some suggestions about what available.
>>
>>This is for a closed loop video conferencing and data
>>application.
>>
>>Thank You
>>
>>hamilton AT dimensional DOT com

>
>
> My employer, an RBOC, uses the HDSL products of Adtran.
> http://www.adtran.com/
> The HTU-C comes in at least three form factors; 220, 3192 and DDM+ for the
> central office end. The 220 is the largest, the other two are approximately
> the same smaller size. I don't know if an equipment enclosure for one or two
> of the 3192 is available; the 19 or 23 inch relay rack holding 14 (220) or
> 28 (DDM+) HTU-Cs are installed in my CO. They expect 48 to 56 Volts DC in
> operation, and power the HTU-R over the twisted pair. Each end expects a
> DSX-1 connection in and out. You can search their site on this CLEI:
> T1L3XBZAAA. Whether you'd need a CSU/DSU at each end I couldn't say.
>
> You've probably already seen an HTU-R in a telephone equipment room on site.
> Enclosures for two Plugs are common. T1L3W7WAAA
>
> Adtran has circuit design software for download. You can readily count on
> 12,000 feet using 26 gage copper twisted pair, with no taps, using the
> two-wire models. Four-wire gets more distance.
>
> Good luck.
> John C.
>
>