Comtech EF Data SFC1800A - Manual (Page 123)

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<cr>
@01/RFOFF<cr>
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}
<cr><lf>
<cr><lf>
{End of transmission}
For Single or Primary Converter:
RF: {Off/On}
Stored Faults:
{None/Signal Fault/LO Fault/LO Fault, Signal Fault}
<cr><lf>
<cr><lf>
{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<cr>
Where aa is the input attenuation (00 - 30)