PEB4266T-V1.2 IC Chips Dual Channel Subscriber Line Interface Concept

Dual Channel Subscriber Line Interface Concept

DuSLIC

Features

• Fully programmable dual-channel codec

• Programmable AC and DC characteristics

• Integrated Test and Diagnostic Functions (ITDF)

• Programmable integrated ringing : Balanced (85 Vrms)

  and/or Unbalanced (50 Vrms)

• Programmable Teletax (TTX) generation

• Programmable battery feeding with capability for driving

  longer loops

• Ground start/loop start signaling supported

• Polarity reversal (hard or soft)

• On-hook transmission

• Integrated DTMF generator

• Integrated DTMF decoder

• Integrated Caller ID generator (FSK or DTMF)

• Universal Tone Detection (UTD) - fax/modem detection

• Integrated Line Echo Cancellation (LEC) up to 8 ms

• Optimized filter structure for modem transmission

• Three-party conferencing (in PCM/µC mode)

• Message waiting lamp support (PBX)

• Power optimized architecture

• Power management capability (integrated battery switches)

• 8 kHz and 16 kHz PCM Transmission

• IOM-2 or PCM/µC Interface selectable

• G.711 A-law / µ-law companding

• Specifications: ITU-T G.712, Q.552, LSSGR, TR57

Typical Applications

DuSLIC offers an optimized solution for various applications. The following main applications can be highlighted:

• Access Networks

  – Central Office (CO)

  – Next-Generation Digital Subscriber Line Access Module (NG-DSLAM)

  – Digital Loop Carrier (DLC)

  – Wireless Local Loop (WLL)

  – Fiber in the Loop (FITL)

  – Digital Added Main Line (DAML) / PCM-x

  – Multi-dwelling / Multi-tennant units (MDU / MTU)

• Customer Premises Equipment

  – Private Branch Exchange (PBX)

  – Integrated Access Device (IAD)

  – Voice over Packet (VoDSL, VoIP, VoATM, etc.)

  – ISDN Intelligent Network Termination (iNT)

  – ISDN Terminal Adapter (TA)

  – Cable Modem

  – xDSL NT

  – Router

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