Firmware version:
Please use 3.04.02 or newer.
Card configuration:
Keep default settings, only change the following:
START -> SETTINGS -> CONTROL PANEL -> SMART CONTROL
Click on the "Boards" tap
"Select Board" will display "0", this is analog.
Check that "Board type" is displaying your Recording Card Model.
"TDM Encoding" must be set to "A-LAW".
Connection cable:
SEE: How do I connect the Analog card to record the extension/line/radio