Ubee DDM3513 Cable Modem User Guide, v10_30_10
Ubee Interactive
19
Item
Description
Differential Encoding
Displays the current differential encoding state (ON/OFF).
Preamble Length
Displays the current preamble length, 0-1536 (bits) used for
synchronization.
Preamble Value Offset
Displays the current preamble value offset, 0-1534 (bits).
FEC Error Correction (T)
Displays the FEC (forward error correction): 0 to 16 (0 implies
no FEC. The number of codeword parity bytes is 2*T).
FEC Codeword Information
Bytes (k)
Displays the current FEC codeword information bytes.
Fixed: 16 to 253 (assuming FEC on). Shortened: 16 to 253
(assuming FEC on).
Maximum Burst Size
Displays the maximum burst size, 0-255 (mini-slots) for data
transmission
Guard Time Size
Displays the guard time size, 4-255 (symbols).
Last Codeword Length
Displays the last codeword length, FIX/SHORT.
Scrambler on/off
Displays the state of the scrambler, ON/OFF.
Refresh
Click to re-display the current state of information in this screen.