Comtech EF Data DMDVR20 LBST Rev 1.1 - Manual (Page 44)

DMDVR20 LBST Satellite Modem User Interfaces
TM136 – Rev. 1.1 4-7
SCRAMBLER CTRL {ENABLED, DISABLE}
Allows the user to enable or disable scrambler operation.
SAT FRAMING {1/15 (IBS), None}
Allows the user to select the framing type.
TERR FRAMING {NONE}
DATA POLARITY {INV. TERR & BASE, INV. BASEBAND, INV.TERR
DATA, INVERT NONE}
Allows the user to invert the Tx Data polarity.
REED-SOLOMON (menu)
These selections are visible only when the Reed-
Solomon Option is installed.
ENABLE/DISABLE {ENABLED, DISABLE}
Allows the user to Enable/Disable the Reed-Solomon
Encoder.
RS RATE {Refer to Table 3-1 for standard n/k values}
Displays the currently used n, k Reed-Solomon Codes.
In Closed Net Mode and using the appropriate hardware,
the user may select custom R-S Codes.
INTERLVR DEPTH {4, 8, 12}
Allows the user to select the Reed-Solomon interleaver
depth. In Closed Net Mode, a depth of 4 or 8 may be
selected.
ODU-BUC (menu)
FSK COMMS {NONE/CODAN/TERRASAT/AMPLUS}
(Only available when the FSK Comm is Enabled)
OFF/NONE:
Will disable the FSK Communication link. User must
select this option if the BUC does not support FSK or if
the customer does not want to utilize the FSK option.
CODAN:
Enables the FSK Communication link for CODAN BUCs
only. This feature enables the DMD20LBST to retrieve
and display certain BUC parameters on the front panel
of the modem.
TERRASAT:
Enables the FSK communication link for Terrasat BUCs
only. This feature enables the DMD20LBST to retrieve
and display certain BUC parameters on the front panel
of the modem.
AMPLUS:
Enables the FSK communication link for AMPLUS
BUCs only. This feature enables the DMD20LBST to
retrieve and display certain BUC parameters on the front
panel of the modem.