DS26519

16-Port T1/E1/J1 Transceiver

Industry's Highest Port Count Transceiver with the Lowest Power Consumption and Price
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Status Explanations for product status codes

All versions are Not Recommended for New Designs. See Ordering Information for recommended replacements.

Description

The DS26519 is a single-chip 16-port framer and line interface unit (LIU) combination for T1, E1, and J1 applications. Each port is independently configurable, supporting both long-haul and short-haul lines. The DS26519 is nearly software compatible with the DS26528 and its derivatives.

Data Sheet

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Errata DS26519 26519A1.pdf
Errata DS26519 26519A2.pdf

Key Features

  • 16 Complete T1, E1, or J1 Long-Haul/Short-Haul Transceivers (LIU Plus Framer)
  • Independent T1, E1, or J1 Selections for Each Transceiver
  • Software-Selectable Transmit- and Receive-Side Termination for 100Ω T1 Twisted Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75Ω E1 Coaxial Applications
  • Hitless Protection Switching
  • Crystal-Less Jitter Attenuators Can Be Selected for Transmit or Receive Path; Jitter Attenuator Meets ETS CTR 12/13, ITU-T G.736, G.742, G.823, and AT&T Pub 62411
  • External Master Clock Can Be Multiple of 2.048MHz or 1.544MHz for T1/J1 or E1 Operation; This Clock is Internally Adapted for T1 or E1 Usage in the Host Mode
  • Receive-Signal Level Indication from -2.5dB to -36dB in T1 Mode and -2.5dB to -44dB in E1 Mode in Approximate 2.5dB Increments
  • Transmit Open- and Short-Circuit Detection
  • LIU LOS in Accordance with G.775, ETS 300 233, and T1.231
  • Transmit Synchronizer
  • Flexible Signaling Extraction and Insertion Using Either the System Interface or Microprocessor Port
  • Alarm Detection and Insertion
  • T1 Framing Formats of D4, SLC-96, and ESF
  • J1 Support
  • E1 G.704 and CRC-4 Multiframe
  • T1-to-E1 Conversion
 

Applications/Uses

  • Channel Banks
  • Channel Service Units (CSUs)
  • Data Service Units (DSUs)
  • Muxes
  • Routers
  • Switches
  • T1/E1 Test Equipment
   

Diagram

DS26519: Functional Diagram
Functional Diagram

More Information

New Product Press Release   2007-04-18 ]

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Information Index

Overview

 

Design Resources

 

Ordering Info

 

Related Products

 
Description
Key Features
Applications/Uses
Key Specifications
Diagram
Notes and Comments
  Data Sheet
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Rev 2; 2007-09-04
This page last modified: 2009-10-05