Radyne DMDVB20 LBST, Installation And Operation Manual

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DMDVB20 LBST Satellite Modem User Interfaces
TM138 – Rev. 1.0 4-7
Allows the user to select the Tx Code Rate and Type
DIFF CODING {ENABLED, DISABLE}
Allows the user to enable or disable the Differential
Encoder. Having the encoder enabled ensures proper
phase lock. May not be adjustable in some modes.
SCRAMBLER SEL {NONE, V.35-IESS, V.35 CITT, V.35 EF, IBS
w/Optional Framing and optional Reed-Solomon,
Reed-Solomon Scrambler w/Optional Framing,
CCITT, V.35FC, V.35EF_RS, TPC SCRAMBLER
(Turbo Codec), DVB}
Allows the user to select the descrambler type.
SCRAMBLER CTRL {ENABLED, DISABLE}
Allows the user to enable or disable scrambler operation.
SAT FRAMING {1/15 (IBS), DVB, None}
Allows the user to select the framing type.
TERR FRAMING {NONE, 188, 204}, when using DVB Network
Specifications
DATA POLARITY {INV. TERR & BASE, INV. BASEBAND, INV.TERR
DATA, 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.