Specifications

SDM-300L3 Satellite Modem Revision 0
Front Panel Operation MN/SDM300L3.IOM
4–118
4.7 SDM-300L Custom Modem Defaults
Refer to Table 4-2 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 4-2. SDM-300L Custom Modem Defaults
Modulator Demodulator
Data Rate A Date Rate A
TX Rate A 64 kbps, QPSK 1/2 RX Rate A 64 kbps, QPSK 1/2
TX Rate B 128 kbps, QPSK 1/2 RX Rate B 128 kbps, QPSK 1/2
TX Rate C 256 kbps, QPSK 1/2 RX Rate C 256 kbps, QPSK 1/2
TX Rate D 512 kbps, QPSK 1/2 RX Rate D 512 kbps, QPSK 1/2
TX Rate V 38.4 kbps, QPSK 1/2 RX Rate V 38.4 kbps, QPSK 1/2
TX-IF Frequency 1200.0000 MHz RX-IF Frequency 1200 .0000MHz
TX Terminal Frequency 5845.0000 MHz RX Terminal Frequency 4200.0000 MHz
TX-IF Output Off Descrambler On
Power Output -10 dBm Differential Encoder On
Scrambler On RF Loop Back Off
Differential Encoder On IF Loop Back Off
Carrier Mode Normal-Modulated BER Threshold None
Modem Reference Internal Sweep Center 0 Hz
FSK Output Off Sweep Range 60000 Hz
ODU Power Supply Off Reacquisition 0 seconds
ODU Output Delay 00.00 Min Sec LNB Power Off
ODU 10 MHz REF Off LNB Voltage 13 VDC
RS Encoder Off LNB 10 MHz REF Off
RS Decoder Off
Interface
TX Clock Source TX Terrestrial TX Coding Format AMI
TX Clock Phase Auto RX Coding Format AMI
EXT-CLK Frequency 1544 kHz Channel, Level (TX/RX) -5 dBm
Buffer Clock RX (Satellite) Drop Format T1
RX Clock Phase Normal Insert Format T1
Buffer Size 384 bit/s Drop SAT Channel Terr, others T-Slot Terr
B-Band Loopback Off Insert SAT Channel Terr, other T-Slot Terr
INTRFC Loop Back Off ASYNC TX Baud 110 kbps
Buffer Size 384 Bits
6 Milliseconds
ASYNC RX Baud 110 kbps
Loop Timing Off ASYNC TX Length 7 bps
TX Data Fault None ASYNC RX Length 7 bps
RX Data Fault None ASYNC TX Stop 2 bps
TX 2047 Pattern Off ASYNC RX Stop 2 bps
RX 2047 Pattern Off ASYNC TX Parity Even
ASYNC RX Parity Even
Configuration Local AUPC
AUPC Enabled Off Target E
b
/N
0
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