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DMD2050 Universal Satellite Modem
User Interfaces
4.3.2 Modulator Menu Options and Parameters
NETWORK SPEC
{MIL 188-165A, IDR, IBS, DROP & INSERT, CLOSED
NET, DVB}
Used with IDR, or IBS Interface Only.
The Network Spec Command sets a number of
parameters within the modem to meet a set
specification. The purpose is to eliminate keystrokes
and potential compatibility problems.
Additionally, data rates not covered by the given network
specification of operation 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 mode will not
be allowed. The following parameters are set for the
given mode of operation and cannot be changed while
the unit is in the given mode of operation:
MIL-STD 188-165A:
(MILSTD-188-165A)
For Data Rates:
Framing:
Scrambler:
Spectrum
9.6 K – 51.848 Mbps
None
OM73
MIL 188 165A
IDR:
(IESS-308)
For Data rates 1.544, 2.048, 6.312, 8.448 Mbps
Framing Type:
96 Kbps (IDR)
Scrambler Type:
V.35
Spectrum Mask:
Intelsat
For Data Rates < 1.544
Framing Type:
1/15 (IBS)
Scrambler Type:
IESS-309
Spectrum Mask:
Intelsat
IBS:
(IESS-309)
For Data Rates < 2048
Framing Type:
1/15 (IBS)
Scrambler Type:
IESS-309
Spectrum Mask:
Intelsat
Drop & Insert:
Data Rates:
Framing Type:
Scrambler Type:
Spectrum Mask:
TM110 – Rev. 1.3
n x 64 n = 1, 2, 3, 4, 5, 6, 8,
10,12, 15, 16, 20, 24, 30
1/15 (IBS)
IESS-309
Intelsat
4-5