Info: Mode; Info: Tx; Info: Rx - Comtech EF Data CDM-625A Installation And Operation Manual

CDM-625A Advanced Satellite Modem
Front Panel Operation
6.2.4.3

Info: Mode

Info:
An example of a Mode Info screen is shown here.
6.2.4.4

Info: Tx

Tx:On
Vit+RS:220/200 00064.000 QPSK
An example of the Tx Info screen is shown here. It displays the following information:
Item
Tx Carrier
Tx Frequency
Top line
Power
TSI
Encoder
Data Rate
Bottom
line
Modulation
FEC Rate
Scrambler
6.2.4.5

Info: Rx

Rx:0070.0000MHz
Vit+RS:126/112 01544.000 QPSK
An example of the Rx Info screen is shown here. It displays the following information:
Item
Rx Frequency
Eb/No
Top line
Sweep Range
RSI
Mode: Tx= G.703B:D&I
Rx= G.703B:IBS
0070.0000MHz
Configuration Setting
On, Off, or RTI.
xxxx.xxxx MHz.
Power Level (dBm).
TSI = Tx Spectral Inversion, I=Inverted (on), N=Not inverted (off).
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).
xxxxx.xxx kbps (an asterisk * 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).
Configuration Setting
xxxx.xxxx MHz.
12.3 dB (Alarm Point).
Up to ± 32 kHz.
RSI = Rx Spectral Inversion, I=Inverted (on), N=Not inverted (off).
6–79
(B8ZS)
(B8ZS)
PWR=-20.0 TSI=N
7/8 Scrm
02.0dB +-30 RSI=N
1/2 Scrm
Revision 0
MN-CDM625A