DT-4500 Series C- and Ku-Band Down Converters
MN/DT4500.IOM
Serial Interface Operation
Revision 2
8–21
8.7.3.3
ATT (Attenuation)
Use ATT to set or return the attenuation value. The default value is 10.00 dB.
Description
Details
Set Attenuation:
<DEV/ATT_ yy.yy{cr} where:
yy.yy = 00.00 to 25.00 dB in 0.25 dB steps (0.1 dB steps optional)
Confirmation:
>DEV/ATT_yy.yy{cr}{lf}]
Return Attenuation:
<DEV/ATT_{cr}
Confirmation:
>DEV/ATT_ yy.yy{cr}{lf}]
8.7.3.4
CLD (Cold Start)
This command is NOT AVAILABLE in redundant systems.
Use CLD to mute the output signal for a predetermined time – 15 minutes –
following Power-Up to ensure a stable reference oscillator. The default is OFF.
Description
Details
Set Cold Start:
<DEV/CLD_xxx{cr} where:
xxx = ON or OFF
Confirmation:
>DEV/CLD_xxx{cr}{lf}]
Return Status:
<DEV/CLD_{cr}
Confirmation:
>DEV/CLD_xxx{cr}{lf}]
8.7.3.5
MUT (RF Mute)
Use MUT to set or return the RF mute state. The default is ON (output is muted).
Description
Details
Mute Output:
<DEV/MUT_xxx{cr} where:
xxx = ON or OFF
Confirmation:
>DEV/MUT_xxx{cr}{lf}]
Return Mute Status:
<DEV/MUT_{cr}
Confirmation:
>DEV/MUT_yyy{cr}{lf}]
yyy = ON/OFF/COLD
