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M28335

12-Port DS3/E3/STS-1 LIU


Overview

Description

The M28335 is a 12-port DS3/E3/STS-1 line interface unit (LIU) that includes integrated receivers and transmitters for use in implementing digital loop carriers (DLCs), digital subscriber line access multiplexers (DSLAMs), multi-service access concentrators, and packet and ATM cell switches. The device is ideal for use in time division multiplex (TDM) switches and add/drop multiplexers (ADMs) that are used to aggregate lower-speed electrical network connections into higher-speed optical connections.

Features

  • 12 separate DS3/E3/STS-1 line interfaces in a single 35 mm TBGA package
  • Parallel and serial microprocessor interfaces
  • Integrated B8ZS (T3) or HDB3 (E3) encoders/decoders with line code violation (LCV) indication
  • Low power
  • Programmable loss of signal threshold
  • Per channel transmit monitor with external monitor points and test function
  • Full diagnostic loopback capability
  • Single 3.3 V power supply

Ordering Information

Part Description Package Pin Count Status
CX28335-11P x12 T3/E3/STS-1 LIU TBGA n/a
M28335-11P x12 T3/E3/STS-1 LIU IC TBGA 580
M28335-12 x12 T3/E3/STS-1 LIU TBGA 580
M28335-12P x12 T3/E3/STS-1 LIU TBGA 580
M28335-13 12-Channel DS3/E3/STS-1 LIU IC TBGA 580
M28335-13P x12 T3/E3/STS-1 LIU TBGA 580
M28335-13R M28335-13R Finish Goods Device TBGA 580
M28335-14 12X T3/E3/STS-1 LIU IC TBGA 580
M28335-14P 12X T3/E3/STS-1 LIU IC TBGA 580
M28335-15 12X T3/E3/STS-1 LIU IC TBGA 580
M28335G-13P 12-Channel DS3/E3/STS-1 LIU IC TBGA 580
M28335G-15 12X T3/E3/STS-1 LIU IC TBGA 580
Documentation
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