Single pair DDS. SC PAM line coding technique. Extended range to 50 kft on mixed gauge. Bridged tap tolerant. Span powering. T-carrier interface. Rates from 2.4 to 64 kbps. Secondary channel rates. Error correction. SW56 and loop quality monitoring. Transmission up to 50 dB at 13.3 kHz. Bi-directional loopback for remote end loop testing. L3 features Protected Loopback. D4 form factor. DS0 Backplane interface. For use with MJUs and GPC shelves. Digital System-6 in-band provisioning and monitoring
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Introduction
ADTRAN, Inc. is a leading global provider of networking and communications equipment with an innovative portfolio of more than 1,600 solutions for use in the last mile of today’s telecommunications networks. Widely deployed by carriers, distributed enterprises and Small- and Medium-sized Businesses (SMBs), ADTRAN solutions enable voice, data, video, and Internet communications across copper, fiber, and wireless network infrastructures. ADTRAN solutions are currently in use by every major U.S. se