Demodulator Main Menu And Parameters; Network Spec (Menu) - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
8PSK 2/3 {NOT SELECTED, SELECTED}
8PSK 3/4 {NOT SELECTED, SELECTED}
8PSK 7/8 {NOT SELECTED, SELECTED}
8PSK 19/20 {NOT SELECTED, SELECTED}
16APSK 1/2 {NOT SELECTED, SELECTED}
16APSK 2/3 {NOT SELECTED, SELECTED}
16APSK 3/4 {NOT SELECTED, SELECTED}
16APSK 7/8 {NOT SELECTED, SELECTED}
16APSK 19/20 {NOT SELECTED, SELECTED}

4.4.2 DEMODULATOR Main Menu and Parameters

4.4.2.1

NETWORK SPEC (menu)

The NETWORK SPEC command activates a group of preset parameters. These preset
parameters help reduce keystrokes and potential compatibility problems.
NETWORK SPEC
NETWORK SPECS and data rates must be compatible. If you set data rates first, the system
allows only the applicable NETWORK SPEC. If you set the NETWORK SPEC first, the system
allows only the applicable data rates.
The following parameters are set for each NETWORK SPEC. You cannot change these
parameters while the unit is operating in the selected NETWORK SPEC mode:
NETWORK SPEC DATA RATES
MIL-STD 188-165A 9.6 K – 51.848 Mbps
(MILSTD-188-165A)
EBEM (EBEM) 64 K – 51.848 Mbps
IDR (IESS-308) 1.544, 2.048, 6.312, 8.448 Mbps
< 1.544
IBS (IESS-309) < 2048
DROP & INSERT n x 64 n = 1, 2, 3, 4, 5, 6, 8, 10,12, 15, 16,
20, 24, 30
DVB EN301-201 and All Rates
EN300-421
MN-DMD2050E Revision 2
{MIL 188-165A, EBEM, IDR, IBS, DROP & INSERT, CLOSED NET, DVB}
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
Used to select the mod/code rate
FRAMING SCRAMBLER
None OM73
EBEM EBEM
96 Kbps V.35
(IDR)
1/15 (IBS) IESS-309
1/15 (IBS) IESS-309
1/15 (IBS) IESS-309
DVB DVB
User Interfaces
SPECTRUM
MIL 188 165ª
MIL 188 165ª
Intelsat
Intelsat
Intelsat
Intelsat
DVB 0.25, 0.35
4–14