Adtran (1200863L1) Expansion Module

ADTRAN supplies innovative network access products that enable today's widespread digital telecommunications applications, including Internet access, telecommuting, corporate connectivity, distance learning, video-conferencing, and teleradiology. Used extensively in the networks of incumbent local exchange carriers, competitive local exchange carriers, interexchange carriers, Internet service providers, and private and public enterprises worldwide, ADTRAN products consistently reduce operating costs and improve network performance.??T1/FT1 with DSX-1 NIM not only supports Frame Relay on either a full T1 or fractional T1 interface, but it also supports an additional DSX-1 interface. This DSX-1 interface is to drop-off digital voice traffic to a PBX.