Comtech EF Data SDM-300L - Manual (Page 70)

SDM-300L Satellite Modem Operation
Rev. 2 3–29
3.3 SDM-300L Custom Modem Defaults
Refer to Table 3-2 for custom modem defaults.
Note: The following parameter do not revert to default settings after a hard reset:
•
Address/Parity/Baud Rate
•
EXT AGC Max Power
•
Remote Type
•
Display Contrast
•
EXT AGC MIN Power
Table 3-2. SDM-300L Custom Modem Defaults
Modulator Demodulator
Data Rate A Date Rate A
TX Rate A 64 kbit/s, QPSK 1/2 RX Rate A 64 kbit/s, QPSK 1/2
TX Rate B 128 kbit/s, QPSK 1/2 RX Rate B 128 kbit/s, QPSK 1/2
TX Rate C 256 kbit/s, QPSK 1/2 RX Rate C 256 kbit/s, QPSK 1/2
TX Rate D 512 kbit/s, QPSK 1/2 RX Rate D 512 kbit/s, QPSK 1/2
TX Rate V 38.4 kbit/s, QPSK 1/2 RX Rate V 38.4 kbit/s, QPSK 1/2
IF Frequency (Non TX/RX) 70 MHz IF Frequency 1200 MHz
IF Frequency (TX/RX) 1200 MHz RX Terminal Frequency 4200 MHz
TX Terminal Frequency 5845 MHz Descrambler On
IF Output Off Differential Encoder On
Power Level (Non TX/RX) -10 dBm IF Loop Back Off
Power Level (TX/RX) -10 dBm BER Threshold None
Scrambler On Sweep Center 0 Hz
Differential Encoder On Sweep Range 60000 Hz
Carrier Mode Normal-Modulated Reacquisition 0 seconds
Modem Reference Internal LNB Power Off
ODU Power Off LNB Voltage 13 VDC
ODU 10 MHz REF OFF LNB 10 MHz REF Off
RS Encoder Off RS Decoder Off
Interface
TX Clock Source TX Terrestrial RX Coding Format AMI
TX Clock Phase Auto Channel, Level (TX/RX) -5 dBm
EXT-CLK Frequency 1544 kHz Drop Format T1
Buffer Clock RX (Satellite) Insert Format T1
Buffer Size 384 bit/s Drop SAT Channel Terr, others T-Slot Terr
Buffer Center Yes/No Insert SAT Channel Terr, other T-Slot Terr
RX Clock Phase Normal ASYNC TX Baud 110 kbit/s
B-Band Loopback Off ASYNC RX Baud 110 kbit/s
Interface Loopback Off ASYNC TX Length 7 bit/s
Loop Timing Off ASYNC RX Length 7 bit/s
TX Data Fault None ASYNC TX Stop 2 bits
RX Data Fault None ASYNC RX Stop 2 bits
TX 2047 Pattern Off ASYNC TX Parity Even
RX 2047 Pattern Off ASYNC RX Parity Even
TX Coding Format AMI
Configuration Local AUPC
AUPC Enabled Off Target Eb/N0 6.0 dB
Nominal Power -10.0 dB Tracking Rate 0.5 dB/min
Minimum Power -30.0 dBm Local CL Action Hold
Maximum Power -5.0 dBm Remote CL Action Hold