Comtech EF Data CDM-570A Installation And Operation Manual page 579

Multicarrier Transponder Lease
Number of Links: 2
Modulation
Information Rate (kbit/s)
FEC Code Rate
R-S Code Rate
Clear Sky Eb/No Available (dB)
Number of Assigned Carriers
Transmit ES Code
Transmit ES Size (m)
Receive ES Code
Receive ES Size (m)
Receive ES G/T (dB/K)
LST Calculated
(MultiCarrier Transponder Lease)
Total EIRP Utilized
Total EIRP Available
Margin (available-utilized)
The link budget summary for the different ModCod combinations is as follows:
S.No. Modulation & FEC (CnC Carrier)
1 QPSK, VersaFEC 0.533, 10% ROF
2 QPSK, VersaFEC 0.631, 15% ROF
3 QPSK, VersaFEC 0.706, 25% ROF
DoubleTalk Carrier-in-Carrier Option
CDM-570A/570AL Satellite Modem with Optional Packet Processor
Link Analysis Description
Link 1
QPSK
1000.0
.5330
N/A
4.3
1
HUB
4.5
REMOTE
3.0
21.5
Total Leased Resource Usage
12.8 dBw
13.3 dBw
.5 dBw
Allocated
PEB
BW
(MHz)
(MHz)
1.0319 0.9755
0.9113 1.1069
0.8859 1.3223
G–13
REMOTE
Total BW Allocated
TotalBW PEB*
Total BW Utilized
Total BW Available
Margin (available-utilized)
*PEB = Power Equivalent Bandwidth
CnC Allocated BW = 1.0319 MHz
CnC PEB = 0.9755 MHz
CnC Leased BW = 1.03196 MHz
CnC
Leased
Leased
BW
BW
(MHz)
Savings
1.0319 36%
1.1069 31%
1.3223 17%
Revision 5
Link 2
QPSK
1000.0
.5330
N/A
4.1
1
3.0
HUB
4.5
25.3
1.0319 MHz
.9755 MHz
1.0319 MHz
1.1000 MHz
0.681 MHz
PSD Ratio
(dB)
2.2
2.2
2.2
MN-CDM570A