Operating instructions

DMD50 Universal Satellite Modem User Interfaces
TM118 – Rev. 1.1 4-11
RX 2047 BER: Reports the BER measurement of the receiver 2047
Pattern Test Mode of the remote modem. BER is
reported from the 1x10
-5
to 1x10
-7
in tenth decade steps.
if the pattern does not synchronize or is out of range,
‘NO DATA’ will be displayed.
When modems are configured for Radyne AUPC, the remote Eb/No will
be displayed in the Monitor Menus.
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.
4.3.3 Demodulator Menu Options and Parameters
NETWORK SPEC {IDR, IBS, DROP & INSERT, CLOSED NET, DVB SAT}
The Network Spec Command sets a number of
parameters within the modem to meet a specification.
The purpose is to eliminate keystrokes and potential
compatibility problems.
Data rates not covered by a given mode will not be
allowed. If the mode of operation is selected after the
data rate has been entered, then the data rate must be
compatible with the desired mode of operation or the
Network Spec will not be allowed. The following
parameters cannot be changed while the unit is in the
given mode of operation:
IDR:
(IESS-308)
For Data rates 1.544, 2.048, 6.312, 8.448 Mbps