Current Manuals

For manuals on models not currently shipping, view the Archived MultiModem® ISI manuals.

User Guides

• Intelligent Serial Interface™ User Guide for ISI4604/8, ISI5634, and ISI9234PCIE
  PN: S0000442 Rev. C, Intelligent Serial Interface™ User Guide for ISI5634UPCI-4/8 and ISI9234PCIE-4/8 Published 2008-06-06

Reference Guides

• AT Commands for the MT5634 Series and ISI5634UPCI Series
  PN: S0000272 Rev. H, AT Commands for the MT5634ZBA Series, MT5634IND, MT5634ZPX Series, ISI5634UPCI Series Published 2007-12-28
• AT Commands for the MT9234 Series
  PN: S0000434 Rev. D Published 2008-03-25

Quick Start Guides

• Intelligent Serial Interface™ Quick Start Guide for ISI4604/8, ISI5634, and ISI9234PCIE
  PN: 82010753L Rev. D, Intelligent Serial Interface™ Quick Start Guide for ISI5634UPCI-4/8 and ISI9234PCIE-4/8 Published 2008-06-06

Developer's Guides

• Fax Developer's Guide (Classes 2 and 2.0/2.1)
  PN: S0000239 Rev. D, AT Commands for Fax Classes 2 and 2.1 Developer's Guide Published 2007-12-13