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Hayes Optima Business Modems

Hayes Optima AutoSync Modem Hayes Optima modems are uniquely suited for host connectivity applications. Through the use of AutoSync technology, these modems eliminate the need for installing separate synchronous adapters required by most synchronous modems. The Hayes Optima modems provide synchronous host connectivity while connected to a standard serial port.


  • V.34 or V.90 modem standard (Optima 336 and 56K models respectively)
  • V.42 error correction
  • V.32bis data compression
  • Plug and Play installation
  • Industry standard AT Command Set
  • Auto-dial
  • Auto-answer
  • AutoSync 2 support
  • Synchronous and asynchronous operation
  • Flash ROM update capability for field upgrades
  • Includes AC adapter and modem cable
  • 5-year warranty when registered with the manufacturer
Hayes Optima modems are the modem of choice for use with Serengeti BSCLIB, 3780Link and 3770Link host connectivity applications.

Hayes Optima Modems

   Manufactured by Zoom Telephonics Inc.

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  Hayes Optima

  What is AutoSync?

  What is Bisync?

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