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Legacy Data Module - Serial adapter - expansion slot - SDLC, Frame Relay, RS-232, PPP - serial RS-232 - 4 ports
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, independent domestic telcos, 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. ATLAS 550 Legacy Data Module provides four EIA-232 or V.35 interfaces (or any combination up to four) for sync or async packet data applications. Protocols supported include SNA/SDLC, HDLC, transparent async, transparent bit-oriented (TBOP). It includes an adapter cable which provides four EIA-232 DB-25 interfaces.
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