R428 Series
28-Slot OC3/DS3 Broadband Multiplexer



The R428 enclosure is a 28-slot multiplexer that provides a compact, single enclosure solution to the problem of interfacing a variety of customer signals to OC3, STM-1, DS3, E3, T1 and E1. Hot-pluggable cards interface directly to voice, serial, packet, frame relay, and ATM. Includes dual load sharing power supplies, redundant controllers and 1:N protection. Protection for E1 and T1 is user selectable from 1:1 to 1:7. Considered both a DACS and a channel bank. Provides conversion between E1 and T1 with built in A-law to mu law. User interfaces include V.35, EIA530, RS232, X.21, FXS/O, E&M, MDSL, G.SHDSL, OCUDP, Router, T1/E1-ATM-FR, and terminal server with router. NEBS 3 compliant.

For more detailed information on the R428 Series, please read the R428 data sheet


R428 Series Front View



R428 Series Back View





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