Settings for the USRobotics 5686 series for use with a DMS panel.

Issue

Settings for the USRobotics 5686 series for use with a DMS panel.

Product Line

TAC I/A Series

Environment

  • USRobotics 5686 series
  • DMS panel

Cause

For the modems to communicate, V.92 protocol needs to be disabled.

Resolution

The V.92 protocol must be disabled when using these modems with older modems. To disable the V.92 protocol on a USRobotics 5686 series modems, enter the following setup string (without the quotation marks), in addition to any string specified in the referenced bulletin, before saving the settings: " AT +PIG=1 +PMH=1 +PQC=3 ".

Refer to Bulletin 00-19