Comtech EF Data CDM-600/600L - Manual (Page 110)

CDM-600/600L Open Network Satellite Modem Revision 3
Front Panel Operation MN/CDM600L.IOM
5–34
5.6.4 INFO: TX
CDM-600L:
TX:ON 1200.0000MHz PWR=-10.0 TSI=N
VIT+RS:220/220 00604.000 QPSK 1/2 SCRM
CDM-600:
TX:ON 070.00000MHz Z=50 PWR=-20.0 TSI=N
VIT+RS:220/200 00604.000 QPSK 7/8 SCRM
An example of the TX Information screen is shown above for the CDM-600L and CDM-600.
The information displayed is as follows:
TOP LINE
TX CARRIER ON, OFF, or RTI
TX FREQUENCY xxxxx.xxx MHz
IMPEDANCE
(CDM-600 ONLY)
50 or 75 Ω
POWER Power Level (dB)
TSI TSI = TX Spectral Inversion, I=Inverted (on), N=Not inverted (off)
BOTTOM
LINE
ENCODER
FEC type: VITERBI, SEQ, TCM, VIT+RS, SEQ+RS, TCM+RS,
TPC, LDPC
NONE: x (x = Differential Encoder setting, shown as DE-OFF or
DE-ON)
DATA RATE
xxxxx.xxx kbps (an asterix * indicates that the data sense is
inverted)
MODULATION BPSK, QPSK, OQPSK, 8-PSK, 8-QAM, 16-QAM
FEC RATE 1/2, 2/3, 3/4, 7/8, 0.95, 5/16, 21/44 or 1/1
SCRAMBLER SCRM, NONE, or IESS (Turbo Only)