Comtech EF Data DMD-2050E - Manual (Page 117)

DMD2050E Universal Satellite Modem User Interfaces
MN-DMD2050E Revision 2 4–5
4.4.1 MODULATOR Main Menu and Parameters
4.4.1.1 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 {MIL 188-165A, EBEM, IDR, IBS, DROP & INSERT, CLOSED NET, DVB}
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 FRAMING SCRAMBLER SPECTRUM
MIL-STD 188-165A
(MILSTD-188-165A) 9.6 K – 51.848 Mbps None OM73 MIL 188 165ª
EBEM (EBEM) 64 K – 51.848 Mbps EBEM EBEM MIL 188 165ª
IDR (IESS-308) 1.544, 2.048, 6.312, 8.448 Mbps 96 Kbps
(IDR) V.35 Intelsat
< 1.544 1/15 (IBS) IESS-309 Intelsat
IBS (IESS-309) < 2048 1/15 (IBS) IESS-309 Intelsat
DROP & INSERT n x 64 n = 1, 2, 3, 4, 5, 6, 8, 10,12, 15, 16,
20, 24, 30 1/15 (IBS) IESS-309 Intelsat
DVB EN301-201 and
EN300-421 All Rates DVB DVB DVB 0.25, 0.35
Closed Net All possible combinations are allowed.
NOTE: DVB settings require the DVB NETWORK SPEC and EBEM settings require the
EBEM NETWORK SPEC.