DS3150
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DS3150

3.3V, DS3/E3/STS-1 Line Interface Unit

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Industry's First Single-Port T3/E3 LIU with Fully Integrated Jitter Attenuator

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Part Details
Features
  • Integrated Transmitter, Receiver, and Jitter Attenuator for DS3, E3, and STS-1
  • Performs Receive Clock/Data Recovery and Transmit Waveshaping
  • Jitter Attenuator Can Be Placed in the Receive Path or the Transmit Path
  • AGC/Equalizer Block Handles from 0dB to 15dB of Cable Loss
  • Interfaces to 75Ω Coaxial Cable at Lengths Up to 380m (DS3), 440m (E3), or 360m (STS-1)
  • Interfaces Directly to a DSX Monitor Signal (20dB Flat Loss) Using Built-In Preamp
  • Built-In B3ZS and HDB3 Encoder/Decoder
  • Bipolar and NRZ Interfaces
  • Local and Remote Loopbacks
  • On-Board 215 - 1 and 223 - 1 Pseudorandom Bit Sequence (PRBS) Generator and Detector
  • Line Build-Out (LBO) Control
  • Transmit Line-Driver Monitor Checks for a Faulty Transmitter or a Shorted Output
  • Complete DS3 AIS Generator (ANSI T1.107)
  • Unframed All-Ones Generator (E3 AIS)
  • Clock Inversion for Glueless Interfacing
  • Tri-State Line Driver for Low-Power Mode and Protection Switching Applications
  • Loss-of-Signal (LOS) Detector (ANSI T1.231 and ITU G.775)
  • Automatic Data Squelching During LOS
  • Requires Minimal External Components
  • Drop-In Replacement for TDK 78P2241/B and 78P7200L (Refer to Application Note 362)
  • Pin Compatible with TDK 78P7200
  • 3.3V Operation (5V Tolerant I/O), 110mA (max)
  • Industrial Temperature Range: -40°C to +85°C
  • Small Packaging: 28-Pin PLCC and 48-Pin TQFP
Additional Details
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The DS3150 performs all the functions necessary for interfacing at the physical layer to DS3, E3, and STS-1 lines. The receiver performs clock and data recovery, B3ZS/HDB3 decoding, and loss-of-signal monitoring. The transmitter encodes outgoing data and drives standards-compliant waveforms onto 75Ω coaxial cable. The jitter attenuator can be mapped into the receive path or the transmit path.

Applications

  • Access Concentrators
  • ATM and Frame Relay Equipment
  • CSUs/DSUs
  • Digital Cross-Connects
  • DSLAMs
  • PBXs
  • Routers
  • SONET/SDH and PDH Multiplexers

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Documentation
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 3

DK2000

High-Performance Demo Kit Motherboard

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DK2000

High-Performance Demo Kit Motherboard

High-Performance Demo Kit Motherboard

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 Detail

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

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DK101

Low-Cost Demo Kit Motherboard

Low-Cost Demo Kit Motherboard

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 Detail

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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DS3112RD

DS3/E3 Multiplexer Reference Design

DS3/E3 Multiplexer Reference Design

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 Detail

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.

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