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SLM-7650 Satellite Modem
Operation
3.5.2
7650-02 Operation
The 7650-02 mode of operation is compatible with the 8650-02 operating mode of the
SLM-8650 modem up to the 9.3 Mbps data rate limit of the SLM-8650. Operation in this
mode requires the ASYNC framing option to be activated.
Data Rate
TX-A
TX IF Frequency
TX-IF Output
TX Power Level
Scrambler Type
Scrambler
Diff. Encoder
Carrier Mode
RS Decoder
TX Clock Source
TX Clock Phase
SCT PLL REF
EXT REF Frequency
Buffer Clock
RX Clock Phase
B-Band Loopback
Buffer Size
AUPC Enable
Nominal Power
Minimum Power
Maximum Power
AUPC Enable
B-Band Loopback
TX-A
TX-B
TX-C
TX-D
TX-V
Modulator Power Offset
Modulator Type
TX BPSK Ordering
MOD Spectrum
TX IESS-310 Mode
Encoder Type
TX Overhead Type
RX Overhead Type
RTS TX-IF CNTRL
Buffer Program
Modem Reference
Operation Mode
Table 3-5. 7650-02 Default Parameters
Function Configuration
Modulator
A
64 kbps QPSK 1/2
70 MHz
Off
-20 dBm
OM73
On
On
Normal-Modulated
Off
TX Terrestrial
Normal
Modem Reference
1544 kHz
RX (Satellite)
Normal
Off
384 bits
Off
–10 dBm
–30 dBm
–5 dBm
Function Select Remote AUPC
Off
Off
Modulator
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
0.0 dB
EFD Closed
Standard
Normal
Off
Viterbi
ASYNC
ASYNC
Off
Bits
Internal
Duplex
3-36
Data Rate
RX-A
RX-IF Frequency
Descrambler Type
Descrambler
Diff Decoder
IF Loopback
BER Threshold
Sweep Center
Sweep Range
Reacquisition
RS Decoder
Interface
Loop Timing
TX Data Fault
RX Data Fault
TX 2047 Pattern
RX 2047 Pattern
ASYNC TX
ASYNC RX
ASYNC COMM TYPE
Local AUPC
Target E b /N 0
Tracking Rate
Local CL Action
Remote CL Action
TX 2047 Pattern
Utility
RX-A
RX-B
RX-C
RX-D
RX-V
Demodulator Type
RX BPSK Ordering
DEMOD Spectrum
RX IESS-310 Mode
Decoder Type
Interface
TX Data Phase
RX Data Phase
FRAMING
System
USB Re-Flash
Revision 4
MN/SLM7650.IOM
Demodulator
A
64 kbps QPSK 1/2
70 MHz
OM73
On
On
Off
None
0 Hz
60000 Hz
0 seconds
Off
Off
None
None
Off
Off
Baud=1200
Format=7E2
Baud=1200
Format=7E2
EIA-232
6.0 dB
1.0 dB/min
Hold
Hold
Off
Demodulator
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
EFD Closed
Standard
Normal
Off
Viterbi
Normal
Normal
See 3.2.7.3
Disabled
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