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SDM-300L3 Satellite Modem
Open Network Operations
10.4.3
D&I Modem Defaults
Data Rate
TX Rate A
TX Rate B
TX Rate C
TX Rate D
TX Rate V
IF Frequency
IF Output
Mod Power Offset
Power Output
Differential Encoder
Modulator Type
Encoder Type
CW Mode
Mod Power Fixed
Mod Spectrum
TX Clock Source
Buffer Clock Source
TX Clock Phase
RX Clock Phase
External Reference Freq.
Baseband Loopback
Interface Loopback
TX Coding Format
RX Coding Format
TX 2047
RX 2047
IBS Scrambler
Drop Data Format
TX Data/AIS Fault
RX Data/AIS Fault
Buffer Programming
Note: When selecting E1_CAS or E1_CCS D&I data format, the defaults in the D&I data
channels are offset by 1 from 16 and up. When programming from E1_CAS or E1_CCS to any
other format, the D&I channels are defaulted to straight through.
Table 10-3
Modulator
A
64 kbps, QPSK 1/2
256 kbps, QPSK 1/2
768 kbps, QPSK 1/2
2048 kbps, QPSK 1/2
128 kbps, QPSK 1/2
70 MHz
OFF
0 dB
-10 dBm
ON
INTELSAT Open Net
Viterbi
Normal (OFF)
0 dB
Normal
TX Terrestrial
Insert
Auto
Normal
1544 kHz
OFF
OFF
AMI
AMI
OFF
OFF
ON
T1
NONE
NONE
MS
. D&I Modem Faults
Demodulator
Data Rate
RX Rate A
RX Rate B
RX Rate C
RX Rate D
RX Rate V
IF Frequency
Decoder Type
Differential Decoder
Demodulator Type
IF Loopback
RF Loopback
Sweep Center Freq.
Sweep Range
Sweep Reacquisition
BER Threshold
Demod Spectrum
Interface
Buffer Size
Frame Structure T1 Data
Frame Structure E1 Data
Frame Structure T2 Data
Frame Structure E2 Data
Loop Timing
TX Overhead Type
RX Overhead Type
TX Terr Interface
RX Terr Interface
IBS Descrambler
Insert Data Format
TX Data Phase
RX Data Phase
10–17
Revision 1
MN/SDM300L3.IOM
A
64 kbps, QPSK 1/2
256 kbps, QPSK 1/2
768 kbps, QPSK 1/2
2048 kbps, QPSK 1/2
128 kbps, QPSK 1/2
70 MHz
Viterbi
ON
Open Net
OFF
OFF
0 Hz
60000 Hz
0 seconds
NONE
Normal
1 mS
G.704
G.704
G.743
G.742
OFF
D&I
D&I
G.703
G.703
ON
T
Normal
Normal
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