C.11 rf on/off command (upconverter only) (all) – Comtech EF Data SFC1800A User Manual
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SFC1800A Synthesized Frequency Upconverter
Appendix B
TM111 – Rev. 1.0
B-
13
C.11 RF On/Off Command (Upconverter Only) (All)
These commands control the converter’s output. The commands are as follows:
@01/RFON
@01/RFOFF
Performance specifications guaranteed at nominal levels only.
Note: If the converter is faulted, any attempt to turn on the RF without first clearing the
fault will fail.
If successful, the converter will return the following string:
For backup converter:
Backup RF: {Off/On}
Stored Faults:
{None/Signal Fault/LO Fault/LO Fault, Signal Fault}
{End of transmission}
For Single or Primary Converter:
RF: {Off/On}
Stored Faults:
{None/Signal Fault/LO Fault/LO Fault, Signal Fault}
{End of transmission}
C.12 Change Input Attenuation Command (Upconverter Only)(S, P1: 1, P1:
8)
This command alters the converter-input attenuation. The commands are as follows:
@01/SETATTNaa
Where aa is the input attenuation (00 - 30)