Config: Tx - Comtech EF Data SLM-5650B Installation And Operation Manual

5.2.3.1

CONFIG: Tx

Tx: Mod DataRate Overhead Frequency
Power Clocking Misc Spreading (E)
Use the  arrow keys to select a Tx configuration submenu, and then press [ENT]:
Submenu
Mod
DataRate
Overhead
Frequency
Power
Clocking
Misc
Spreading
CONFIG: Tx  Mod
Mod: FEC:VIT
RS:Off
Use the  arrow keys to select FEC, Type, Rate, RS, Diff, or Scram, and then press
[ENT].
Use the arrow keys to scroll through the available settings. Press [ENT] once again
when done.
Option
FEC
Front Panel Operation
Option
Select: FEC, Type, Rate, RS, Diff, and Scrambler.
Enter a selected data rate and view the symbol rate (see Appendix B. OPERATIONS GUIDE).
Select the overhead type, view the overhead rate, select the Reed-Solomon Code Word,
and depth.
Select the desired frequency and spectral inversion.
Select desired output power level and state of the output.
Select the transmit clock source and SCT reference.
Select CLK/DataPhase and BPSK Bit Ordering.
Select the Tx spreading factor, polynomial, and GSN. View the Tx Chip Rate. This menu
is selectable only if the modem type has been set to LDPC.
Type:QPSK
Diff:On Scram:OM-73
Setting
VIT, NONE, and TURBO are standard; the remainder are optional. Note the following:
• VIT (Viterbi) – K=7 convolutional encoder.
• NONE – Uncoded.
• TURBO – Turbo Product Code, which is a block code.
• SEQ – Sequential Encoder/Decoder.
• ULL – Ultra Low Latency LDPC
• LL – Low Latency LDPC
• HP – High Performance LDPC
Rate:1/2
(E)
5–10
SLM-5650B Satellite Modem
Revision 2
MN-SLM-5650B