Communication Converter Products

Modem Manager 1 Intelligent Modem Buffer


  • Solves All Modem Communication Problems
  • Eliminates Modem Programming
  • Converts RS485 to RS232 and Back
  • Protects Against Spikes and Surges to 2500 Volts
  • Works Perfectly with All Remote Communicating Devices
  • Optimizes the Speed of Communications


This intelligent modem buffer is the ultimate, affordable way to communicate with remote devices. It has all the capabilities of our Unicom 2500 (without the fiber-optic option), and then some. With Modem Manager 1, you’ll never again program a modem or worry about poor phone lines. Its buffer is 32 times the size of the most advanced single-line modems. It handles bidirectional RS485-to-RS232 conversion and it can even be reprogrammed in person or over the phone. Modem Manager 1 is simply the most useful communication accessory ever.

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