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CDM-600L Satellite Modem
Front Panel Operation
6.3.3.4
INFO: TX
TX:ON 1200.0000MHz PWR=-10.0 TSI=N
VIT+RS:220/220 00604.000 QPSK
A sample display of TX Info is shown. The information displayed here is as follows:
Top Line:
TX carrier
TX Frequency
Power
TSI
Bottom line:
Encoder
Data Rate
Modulation
FEC rate
Scrambler
6.3.3.5
INFO: RX
RX:1200.0000MHz 00.1dB +-10
VIT+RS:126/112 00604.000 QPSK
A sample display of RX Info is shown. The information displayed here is as follows:
Top line:
RX Frequency
Eb/No
Sweep Range
RSI
Bottom line:
Decoder
Data Rate
Demodulation
FEC rate
Descrambler
ON, OFF, or RTI
xxxx.xxxx MHz
Power Level (dB)
TSI = Tx Spectral Inversion, I=Inverted (on), N=Not inverted (off)
FEC type: VITERBI, SEQ, TCM, VIT+RS, SEQ+RS, TCM+RS, TPC, LDPC,
NONE:x (x = Differential Encoder setting, indicated as DE–ON or DE–OFF).
xxxxx.xxx kbps (an asterix * indicates that the data sense is inverted)
BPSK, QPSK, OQPSK, 8-PSK, 8-QAM, 16-QAM
1/2, 2/3, 3/4, 7/8, 0.95, 5/16, 21/44 or 1/1
SCRM, NONE, or IESS (Turbo only)
xxxx.xxxx MHz
12 dB (Alarm Point)
up to ± 32 kHz
RSI = Rx Spectral Inversion, I=Inverted (on), N=Not inverted (off)
FEC type: VITERBI, SEQ, TCM, VIT+RS, SEQ+RS, TCM+RS, TPC, LDPC,
NONE:x (x = Differential Encoder setting, indicated as DE-ON or DE-OFF)
xxxxx.xxx kbps (an asterix * indicates that the data sense is inverted)
BPSK, QPSK, OQPSK, 8-PSK, 8-QAM, 16-QAM
1/2, 2/3, 3/4, 7/8, 0.95, 5/16, 21/44 or 1/1
SCRM, NONE, or IESS (Turbo only)
6–31
1/2 SCRM
RSI=N
1/2 SCRM
Revision 2
MN/CDM600L.IOM
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