DS3112

TEMPE T3 E3 Multiplexer, 3.3V T3/E3 Framer and M13/E13/G.747 MUX

Data Sheet (Rev. 4)
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Overview

  • Five Operating Modes
    • M13 multiplexing (28 T1s to DS3)
    • E13 multiplexing (16 E1s to E3)
    • G.747 multiplexing (21 E1s to DS3)
    • Unchannelized DS3 framing
    • Unchannelized E3 framing
  • M13 or C-Bit Parity DS3 framing
  • G.751 E3 framing
  • Alarm generation and detection
  • HDLC controller with 256-byte FIFOs
  • FEAC controller
  • BERT (Bit Error Rate Tester)
  • Two T1/E1 add/drop ports
  • 27mm x 27mm 256-lead BGA package

The DS3112 T3/E3 Multiplex-Framer contains all the digital logic required to communicate over T3 and E3 transmission lines. Supporting both channelized and unchannelized operation, the DS3112 enables low-cost T3/E3 linecards that can be deployed in a variety of voice and data applications worldwide.

Applications

  • Access Concentrators
  • ATM and Frame Relay Equipment
  • Digital Cross-Connects
  • PBXs
  • Routers/Switches
  • SONET/SDH and PDH Multiplexers
  • Test Equipment
DS3112
TEMPE T3 E3 Multiplexer, 3.3V T3/E3 Framer and M13/E13/G.747 MUX
DS3112: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 4

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 9
DS3141
Single/Dual/Triple/Quad DS3/E3 Framers
DS3142
Single/Dual/Triple/Quad DS3/E3 Framers
DS3143
Single/Dual/Triple/Quad DS3/E3 Framers
DS3144
Single/Dual/Triple/Quad DS3/E3 Framers
DS3150
LAST TIME BUY 3.3V, DS3/E3/STS-1 Line Interface Unit
DS3151
Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
DS3152
Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
DS3153
Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
DS3154
Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
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Tools & Simulations

BSDL Model File 1

IBIS Model 1

Evaluation Kits

DK101

Low-Cost Demo Kit Motherboard

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Features and Benefits

  • Connects PC-Based Demo Software to the Telecom IC(s) Under Evaluation
  • Provides Point-and-Click Access to All Telecom IC Registers and Features
  • 128kB of Flash Memory, 264kB of SRAM
  • Demo Software User Interface can be Customized with Simple Text Edits
  • Allows Download and Execution of Custom Firmware for Advanced Applications
  • Supports 3.3V and 5V Telecom ICs
  • On-Board Oscillators: 3.088MHz (2 x DS1), 16.384MHz (8 x E1), and 44.736MHz (DS3)
  • Four General-Purpose Switches Available for Use with Custom Firmware
  • Motorola ONCE/BDM Connector for Code Development and Debug

Product Details

The DK101 is a general-purpose demo kit platform for evaluating Dallas Semiconductor Telecom ICs. The ICs are mounted on daughter cards specifically designed to plug into the DK101's connector. The DK101 provides a microprocessor, flash- and SRAM-based program memory, various oscillators and support logic, and an RS-232 interface to a host PC. As shipped from the factory, the processor runs general-purpose firmware that executes reads and writes to the daughter card on behalf of PC-based demo software. Custom firmware can be downloaded and executed by the processor for advanced applications.

DS3112RD

DS3/E3 Multiplexer Reference Design

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Features and Benefits

  • Soldered DS3150 and DS3112
  • BNC Connectors, Transformers, and Termination Passives for LIU
  • Careful Layout for Analog Signal Paths
  • DK2000 Interface Provides External Data Path
  • Memory-Mapped PLD for Control of DS3150
  • BNC Connectors for External Clock and Line-Side Interface
  • DK101/DK2000 Interface and Included Software Provide Point-and-Click Access the DS3112 Register Set
  • LEDs for Loss-of-Signal, Transmit Driver Monitor, and PRBS Sync

Product Details

The DS3112RD is a reference design for the DS3112 DS3/E3 framer/mux and the DS3150 DS3/E3 LIU. Both devices are surface-mounted to minimize board size and to provide signal integrity. Interface to the DK101/DK2000 and included software give point-and-click access to configuration and status registers from a personal computer. LEDs on the board indicate loss-of-signal, transmit driver monitor, and PRBS sync status of the LIU. The board provides BNC connectors for an external clock, the line-side transmit and receive differential pairs, and a connector for data path interface. A PLD provides registered access to the LIU control pins along with control of clock and data paths.

DK2000

High-Performance Demo Kit Motherboard

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Features and Benefits

  • Interfaces with Up to Four Daughter Cards Simultaneously
  • Connects PC-Based Demo Software to the Telecom ICs Under Evaluation
  • Provides Point-and-Click Access to All Telecom IC Registers and Features
  • Demo Software User Interface can be Customized with Simple Text Edits
  • Supports Development of Telecom Firmware Before Target Board Design is Complete
  • 64MB of DRAM, 4MB of Flash Memory
  • Supports 5V, 3.3V, and 2.5V Telecom ICs
  • Hardware Support for Daughter Card-to-Daughter Card and Daughter Card-to-Processor TDM Data Streams
  • Hardware Support for UTOPIA II Interface
  • Side TIM Connector Provides Access to the PowerPC 60x Bus for High-Performance Applications
  • Provides Several Connectors for In-System Programming of Board Components

Product Details

The DK2000 is a powerful, flexible platform for evaluating Dallas Semiconductor Telecom ICs and developing related firmware. The ICs are mounted on daughter cards specifically designed to plug into the DK2000's four connectors. The DK2000 provides a Motorola MPC8260 PowerQUICC II communications processor, L2 cache, DRAM, flash memory, various clocks and support logic, and an RS-232 interface to a host PC. As shipped from the factory, the processor runs general-purpose firmware that executes reads and writes to the daughter cards on behalf of PC-based demo software.
DK101
Low-Cost Demo Kit Motherboard
DS3112RD
DS3/E3 Multiplexer Reference Design
DK2000
High-Performance Demo Kit Motherboard

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