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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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