Lnb 10 Mhz Ref; Rs Decoder - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Front Panel Operation
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:

LNB 10 MHZ REF

Programs the LNB 10 MHz REF to On or OFF. The LNB 10 MHz reference is transmitted out the
center conductor of the RF-IF connector.
Upon entry, the current status of the descrambler is displayed. Press [↑] or [↓] to make the
selection. Press <ENTER> to execute the change.
FUNCTION SELECT: CONFIGURATION: DEMODULATOR:

RS DECODER

Programs the Reed-Solomon decoder On, Off, or Correction_Off.
Upon entry, the current status of the Reed-Solomon decoder is displayed. Use [↑] or [↓] to select
one of the following modes:
ON
CORRECTION_OFF
OFF
Press [ENTER] to execute the change.
IMPORTANT
LNB 10 MHz REF
RS DECODER
Enables the Reed-Solomon decoder to provide data error corrections.
This is the Normal operating Mode.
Turns off the Reed-Solomon decoder data error correction circuitry. Data
flow is then routed through normal data paths without error corrections.
This is a Test Mode.
The RS decoder is normally disabled (off position). To execute any of the
Reed-Solomon decoder modes, enter the desired Reed-Solomon decoder
and select the desired mode. This is a Test Mode.
If none of the proper overhead types or data rates apply, the Reed-
Solomon decoder in the On state will be rejected (double beep). With
the Reed-Solomon decoder turned On (not off or Correction_ Off), the
corrected BER will be reported from the outer decoder (Reed-Solomon
decoder).
OFF
OFF
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Revision 1
MN/SNM1001L.IOM