Table of Contents
Advertisement
DMD50 Universal Satellite Modem
RX 2047 BER:
When modems are configured for Radyne AUPC, the remote Eb/No will be displayed in
the Monitor Menus.
REED-SOLOMON (menu)
ENABLE/DISABLE
RS RATE
INTERLVR DEPTH
4.4.3 Demodulator Menu Options and Parameters
NETWORK SPEC
MN-DMD50 Revision 4
Reports the BER measurement of the receiver 2047 Pattern Test
Mode of the remote modem. BER is reported from the 1x10
-7
1x10
in tenth decade steps.
if the pattern does not synchronize or is out of range, 'NO
DATA' will be displayed.
These selections are visible only when the Reed-Solomon Option
is installed.
{ENABLED, DISABLE}
Allows the user to Enable/Disable the Reed-Solomon Encoder.
{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.
{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.
{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
Framing Type:
Descrambler type:
Spectrum Mask:
For Data Rates < 1.544 Mbps
Framing Type:
Descrambler Type:
Spectrum Mask:
96 Kbps (IDR)
V.35
Intelsat
1/15 (IBS)
IESS-309
Intelsat
User Interfaces
-5
to
4–11
Advertisement
Table of Contents
