Comtech EF Data DMD1050TS, Installation And Operation Manual

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DMD1050TS Satellite Modem Board
Revision 1
Web Browser 7–17 MN-DMD1050TS
Transmit / General / IF Page
Spread Factor
•
DISABLED
•
FACTOR x2
•
FACTOR, x4
•
FACTOR x8
•
FACTOR x16
Use to select the Tx spreading factor. This is only selectable
if the modem is set to output BPSK+LDPC.
Spread Poly
•
TYPE 0
•
TYPE 1
Use one of the two built-in Pseudo PN patterns, 0 or 1.
Spread Chip Rate Use to see the spreader chip rate.
Spread Gsn
•
0000 - 9999 Use to set the spreader’s gold sequence number.
Table 7-5. Network Specifications
Network Specs Data Rates Framing Scrambler Spectrum
MIL 188 165A 9.6 K – 20.0 Mbps None OM73 MIL 188 165A
IDR (IESS-308)
(optional)
1.544, 2.048, 6.312, 8.448
Mbps
96 Kbps (IDR) V.35 Intelsat
IBS (IESS-309)
(optional)
< 1.544
< 2048
1/15 (IBS) IESS-309 Intelsat
Drop & Insert
(optional)
n x 64 n = 1, 2, 3, 4, 5, 6, 8,
10,12, 15, 16, 20, 24, 30
1/15 (IBS) IESS-309 Intelsat
EBEM (EBEM)
(optional)
64 K – 37.026 Mbps EBEM EBEM MIL 188 165A
DVB SAT
(EN301-201 and
EN300-421)
All Rates DVB DVB DVB 0.25, 0.35
Closed Net
All possible combinations allowed.
NOTE: The DVB settings require the DVB NETWORK SPEC and the EBEM settings
require the EBEM NETWORK SPEC.