Slm-3650 Custom Modem Defaults - Comtech EF Data SLM-3650 Installation And Operation Manual

SLM-3650 Satellite Modem
Theory of Operation
4.1.4

SLM-3650 Custom Modem Defaults

Refer to Table 4-1 for custom modem defaults.
Note: The following parameters do not revert to default settings after a hard reset:
•
•
•
Data Rate
TX Rate A
TX Rate B
TX Rate C
TX Rate D
TX Rate V
TX-IF Frequency
TX-IF Output
TX Power Level
Scrambler
Diff. Encoder
Carrier Mode
Modem Reference
RS Encoder
TX Clock Source
TX Clock Phase
EXT-CLK Freq
Buffer Clock
Buffer Size
RX Clock Phase
B-Band Loop Back
INTRFC Loop Back
Loop Timing
TX Data Fault
RX Data Fault
TX 2047 Pattern
RX 2047 Pattern
TX Coding Format
RX Coding Format
AUPC Enabled
Nominal Power
Minimum Power
Maximum Power
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Address/Parity/Baud Rate
Remote Type
EXT AGC MIN Power
Table 4-1. Custom Modem Defaults
Configuration:
Modulator
A
64 kbps, QPSK 1/2
128 kbps, QPSK 1/2
256 kbps, QPSK 1/2
512 kbps, QPSK 1/2
38.4 kbps, QPSK 1/2
70 MHz
OFF
-10 dBm
ON
ON
Normal-Modulated
Internal
OFF
Configuration: Interface
TX Terrestrial
AUTO
1544 kHz
RX (Satellite)
384 bits or 6 ms
Normal
OFF
OFF
OFF
None
None
OFF
OFF
AMI
AMI
Function Select: Local AUPC
OFF
–10.0 dBm
-30.0 dBm
-5.0 dBm
4–5
•
EXT AGC Max Power
•
Display Contrast
Demodulator
Date Rate A
RX Rate A 64 kbps, QPSK 1/2
RX Rate B 128 kbps, QPSK 1/2
RX Rate C 256 kbps, QPSK 1/2
RX Rate D 512 kbps, QPSK 1/2
RX Rate V 38.4 kbps, QPSK 1/2
RX-IF Frequency 70 MHz
Descrambler ON
Diff. Decoder ON
RF Loop Back OFF
IF Loop Back OFF
BER Threshold NONE
Sweep Center 0 Hz
Sweep Range 60000 Hz
Reacquisition 0 seconds
RS Decoder OFF
Service Channel Adj -5 dBm
Drop Format T1
Insert Format T1
Drop SAT Channel Terr, other T-Slot Terr
Insert SAT Channel Terr, other T-Slot Terr
ASYNC TX Baud 110 kbps
ASYNC RX Baud 110 kbps
ASYNC TX Length 7 bits
ASYNC RX Length 7 bits
ASYNC TX Stop 2 bits
ASYNC RX Stop 2 bits
ASYNC TX Parity Even
ASYNC RX Parity Even
Target Eb/No 6.0 dB
Tracking Rate 0.5 dB/min
Local CL Action Hold
Remote CL Action Hold
Revision 3
MN/SLM3650.IOM