a known issue with using NetModem with some Acceleport 4/8
RAS cards that are using an early version of the firmware.
Symptom: The modem will fail to respond
to any AT commands sent from a NetModem Client.
Solution: Update the Digi firmware (FEP)
on the Acceleport RAS product.
the latest FEP file from the Digi web site.
the existing FEP file.
the existing file to x.old. EG: fepdense.bin to fepdense.old.
the new FEP file to the correct directory depending on the
Operating System, and rename.
and restart the system for the new FEP to take effect.
The location and name of firmware binary for Windows is:
Download the current firmware from here: