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Nevion Products

ASI-CHO-2×1-PB 2x1 intelligent DVB-ASI change-over with passive input bypass

Order no: 21243

Categories: Product Family: Flashlink Functionality: Redundancy switching

The Flashlink ASI-CHO-2×1-PB is an ASI changeover switch that ensures the availability of ASI signals in the transmission chain. The ASI-CHO-2×1-PB continuously monitors the incoming signals for sync loss errors and sync byte errors and switches to the spare signal in case of failure on the main. In addition to detecting the absence of signals, the ASI-CHO-2×1-PB detects empty ASI signals (carrying only stuffing bits) and prevents the signal coming from the failing source to be transmitted.

The inputs are protected with bypass relays that ensure passive loop-thru of both input signals to their respective outputs in case of mains or card failure.

Input and switch monitoring is available through LEDs, GPI and Web interface or SNMP through Multicon GYDA element management system. With its minimal setup requirements, space saving design and best-in class low power consumption, the ASI-CHO-2×1-PB is ideally suited for both fixed installations and field-deployed units.

Benefits

  • Cost efficient intelligent ASI change-over
  • Always signal thru-put

Applications

  • Head-end input protection
  • Broadcast contribution network
  • ASI protection switching
  • Studio interconnection

Key Features

  • Full redundancy on power failure thru passive input bypass on the backplane
  • Less than 25m drop in cable length in loop-thru mode (Belden 8281/1694A)
  • Intelligent change-over function based on error detection according to ETR290 1.1 and 1.2
  • GPI set and reset lines for the change-over logic
  • Manual/ stand alone operation thru onboard DIP switches and GPI
  • Web based user interface and SNMP support with Multicon GYDA
  • Control panel support with Multicon GYDA
  • Less than 5W total power consumption

  asi-cho_ds

  asi-cho-2x1-pb user manual Rev.K

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