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Intel/Diaglogic D/480SC-2T1 ISA Network Interface 
Board (D480SC-2T1 / D/480SC2T1 / D480SC2T1)


The DualSpan™ Series of digital voice and network interface boards provide two E-1 or T-1 ISDN Primary Rate Interface lines of service termination and call processing for 30 or 60 voice channels (E-1 boards) or 24 or 48 channels (T-1 boards) in a single PC slot. Functionally, the DualSpan boards are equivalent to two single-span boards, such as the D/300SC-E1 or D/240SC-T1, combined into one single-slot ISA board. A unique multiprocessor architecture comprising digital signal processors (DSPs) and general purpose microprocessors handles all telephony signaling and performs all DTMF, MF, and audio/voice signal processing tasks. The DualSpan boards, as members of the DIALOG/HD™ High Density Voice and Switching Products Series, are based upon Signal Computing System Architecture™ (SCSA™). SCSA provides an open architecture that enables developers to use products from multiple vendors to build a unified computer telephony solution. SCSA provides features such as distributed switching, logical addressing, and location independent resource management.


  • 48 Channels Per Card
  • Dual T-1 Interface
  • On-Board DSP
  • ISA AT Form Factor


Hardware System Requirements
  • 80386, 80486, or Pentium IBM PC AT (ISA) bus or compatible computer Operating system
  • Hardware requirements vary according to the number of channels being used
  • Recommend cooling fan specifications of 6 CFM minimum per slot for D/600SC-2E1 and D/480SC-2T1 models

  • Product Content:

    • Intel/Diaglogic D/480SC-2T1 ISA Network Interface Board (D480SC-2T1 / D/480SC2T1 / D480SC2T1)

    Before you purchase this item, please ensure that you have verified compatibility with system by visiting the manufacturer's web site.
    We assume no responsibility and will not accept full refunds for items purchased that are not compatible with your system configuration



    • 30 Day

    Availability: Usually ships the same business day

    Intel/Diaglogic D/480SC-2T1 ISA Network Interface Board (D480SC-2T1 / D/480SC2T1 / D480SC2T1)
    D/480SC-2T1P.O & Phone Orders: $4,050.00ON-LINE SPECIAL: $3,999.00
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