Comtech EF Data CDM-625 - Info: Mode; Info: Tx; Info: Rx

CDM-625 Advanced Satellite Modem Revision 13
Front Panel Operation MN-CDM625
5–77
5.2.4.3 Info: Mode
Info: Mode: Tx= G.703B:D&I (B8ZS)
Rx= G.703B:IBS (B8ZS)
An example of a Mode Info screen is shown here.
5.2.4.4 Info: Tx
Tx:On 0070.0000MHz PWR=-20.0 TSI=N
Vit+RS:220/200 00064.000 QPSK 7/8 Scrm
An example of the Tx Info screen is shown here. It displays the following information:
Item Configuration Setting
Top line
Tx Carrier On, Off, or RTI.
Tx Frequency xxxx.xxxx MHz.
Power Power Level (dBm).
TSI TSI = Tx Spectral Inversion, I=Inverted (on), N=Not inverted (off).
Bottom
line
Encoder
FEC type: Viterbi, TCM, Vit+RS, TCM+RS, TPC, LDPC, VFEC, or
None:DE-xxx (DE is the Differential Encoder setting, shown as DE-Off or DE-
On).
Data Rate xxxxx.xxx kbps (an asterisk * 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).
5.2.4.5 Info: Rx
Rx:0070.0000MHz 02.0dB +-30 RSI=N
Vit+RS:126/112 01544.000 QPSK 1/2 Scrm
An example of the Rx Info screen is shown here. It displays the following information:
Item Configuration Setting
Top line
Rx Frequency xxxx.xxxx MHz.
Eb/No 12.3 dB (Alarm Point).
Sweep Range
Up to ± 32 kHz.
RSI RSI = Rx Spectral Inversion, I=Inverted (on), N=Not inverted (off).