DekTec DTA-124 Quad ASI/SDI Input Adapter


Overview

  • Four Independent ASI/SDI Inputs
  • 8-MB Input Buffer on each Channel
  • Support for Time Stamping
  • Comes with free:
    • Windows-2000/XP/2003 & Linux device driver and Software Development Kit fordeveloping custom applications
    • Example source code for recording
    • DtGrabber: Windows recorder program

Features

  • Four digital-video input channels, each independently configurable as a DVB/ASI transport-stream input or serial digital video (SDI) input
  • DVB/ASI compliant to EN50083
  • SDI compliant to SMPTE-259M
  • Each channel supports:
    • Adaptive cable equalisation
    • 8-Mbytes input buffer
    • DVB/ASI up to 214 Mbit/s
    • 10-bit SDI, full stream @ 270 Mbit/s
    • Time stamping
    • Synchronized and raw receive modes
    • Inverted DVB/ASI
    • Counters for bit-rate measurement
    • LED indicator to show lock and synchronization status
  • Four independent DMA controllers with scatter/gather capability
  • PCI rev 2.2, 32 bit, 33 or 66 MHz bus
  • Each channel can run the StreamXpertTM  MPEG-2 analyser or DtTV television software (license required)

Specifications

   Parameter
Value
ASI/SDI Connector
75 Ω BNC (4x)
Input Return Loss
>17 dB
Error Free Cable Length
300m max
ASI
 Physical Layer
DVB/ASI-C*
Bit Rate 0...214 Mbit/s
Packet Size in Bytes 188 or 204**
SDI Physical Layer SMPTE 259M-C*
Bit Rate 270 Mbit/s
# Bits 8 or 10 bit

*    The "-C" suffix indicates Coax as physical-transport medium
**  Arbitrary packet size in a raw mode

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