Comtech EF Data SDM-100A - Manual (Page 105)

SDM-100A Satellite Modem Operation
Rev. 0 3–71
3.2.2.5.2 Utility Demodulator Functions: Type 1 Operation
Assign Receive Filters Receive filter display/assignment utility. Used to view and
change current filter rate assignments.
Refer to the previous text under assign transmit filters. The
receive filters assignments are basically identical.
Demodulator Type Receive filter type select.
Allows the operator to select CSC Closed, FDC Closed, or
EFD Closed network receive filtering.
BER Threshold This function is used to set the BER threshold.
If the BER threshold set is exceeded, a receive fault will be
indicated by the modem status indicators. BER threshold may
be set from 1E
-3 to 1E -8 . BER threshold may be disabled by
specifying None.