DekTec logo
DTA-2178-ASI - Octal ASI Ports for PCIe  


Octal ASI Ports for PCIe

Eight bi-directional ASI ports on a low-profile PCIe card at a price of about €100 per channel. Each port is configurable from software as input or output.


Key Characteristics

Ports 8x ASI in/out
Features Arrival timestamping
Inverted ASI
Flexible receive modes


Connectors 8x 75-Ω micro BNC
Cable length 350m
PCI Express Low-profile PCIe gen3 x8

Can operate in a PCIe gen2 slot


DVB-ASI EN50083-9 (coax)
0 to 214 Mbps

PC Support

Linux ≥2.6.31, 3.x, 4.x, 5.x
Windows 10, 11
Server 16, 19, 22
Processor Core i5 minimum
Core i7 recommended

Or equivalent AMD CPUs


StreamXpress Playout transport-stream files
SpRcApi StreamXpress remote-control API for automated playout
StreamXpert Our industry-standard transport-stream analyzer
VF-REC SDI/TS recorder with looping, scheduling and more
DekTec SDKs Create your own application


DTA-2178-ASI1.014Stock: 25+
Octal ASI ports for PCIe.
DTA-2178-ASI-SLP1.254Stock: 25+
Octal ASI ports for PCIe with StreamXpert Lite and StreamXpress player software.
DTA-2178-ASI-SXP2.380Stock: 25+
Octal ASI ports for PCIe with StreamXpert analyzer and StreamXpress player software.

Prices exclude applicable sales tax, shipping charges and customs duties. Quantity discounts may be available, please request a quotation.


  • All eight ASI ports operate independently.
  • Ideal for applications with a high port count, like multiplexers, multi-channel playout etc.
  • DekTec's SDKs, including DTAPI and DTAPI-TS, help you create real-time applications that receive and or transmit ASI transport streams.


  • Applications with many ASI I/Os, e.g.:
    • Transport-stream multiplexer;
    • Compliance recording;
    • Multi-channel receiver, monitor, playout;
    • Gateway to or from IP.
  • Your custom PC application or product that requires a high ASI port count.
  • Block Diagram

    The DTA-2178-ASI features eight independent transmit/receive channels, each consisting of a cable equalizer, ASI receiver, ASI encoder/transmitter, channel logic, a FIFO, a DMA controller and a PCIe interface.

    Related Products

    DTA-2178-ASI Bird's Eye View