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Comtech EF Data SFC1800A User Manual

Page 118

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Appendix C

SFC1800A Synthesized Frequency Upconverter

C-8

TM111 – Rev. 1.0

For Upconverter:


cc = channel (01 to 30)
gg.g = gain (-20.0 to +30.0) depending on Input Attenuation
ffff = frequency MHz (ffff.0 to ffff.0)

{ffff.0 = frequency in MHz, low end to high end}

t = Kilohertz step ( 0 to 7 for 000 - 875 in 125 kHz increments)

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A backup converter in a 1:8 Switch Configuration will return the following string of information:



abcdefgh = Priority settings for converters 1 - 8 respectively

0 = None. Backup will ignore converter

1 = Highest priority

8 = Lowest Priority


n = Used with manual backup command MANBACK as follows:

0 = Places the Backup in Standby mode, all Primes
online

1 - 8 Specifies the Prime to be taken offline and replaced
by the Backup


{End of transmission}


A backup converter in a 1:1 Switch Configuration will return the following string of information:



There are no data specific commands for the backup converter in the one for one switch
configuration

{End of transmission}

C.4 Show Received Signal Strength Command (Upconverter Only)(S, P1:1,

P1:8)

This command will cause the converter to output the Received Signal Strength.

@01/SHOWRSS

The converter will return the following:



RSS: vv

{vv = value for Received Signal Strength}


{End of transmission}

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