The Soneplex HDSL DDM Plus (HLXPLUS) module operates
with ADC's Soneplex HDSL Remote Module to provide full
duplex DS1 transport over two unconditioned, non-loaded
copper loops up to 12,000 ft. Designed for plug-in compatibil-
ity with the central office-based AT&T DDM Plus shelf, the
HLXPLUS provides fast, simple and economical HDSL trans-
mission in new or existing installations.