Att (Attenuation); Cld (Cold Start); Mut (Rf Mute) - Comtech EF Data UT-4579 Installation And Operation Manual

DT-4579 X-Band Up Converter
Serial Interface Operation
8.7.3.3

ATT (Attenuation)

Use ATT to set or return the attenuation value. The default value is 10.00 dB.
Description
Set Attenuation:
Confirmation:
Return Attenuation:
Confirmation:
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
Set Cold Start:
Confirmation:
Return Status:
Confirmation:
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
Mute Output:
Confirmation:
Return Mute Status:
Confirmation:
Details
<DEV/ATT_ yy.yy{cr} where:
yy.yy = 00.00 to 25.00 dB in 0.25 dB steps (0.1 dB step size optional)
>DEV/ATT_yy.yy{cr}{lf}]
<DEV/ATT_{cr}
>DEV/ATT_ yy.yy{cr}{lf}]
Details
<DEV/CLD_xxx{cr} where:
xxx = ON or OFF
>DEV/CLD_xxx{cr}{lf}]
<DEV/CLD_{cr}
>DEV/CLD_xxx{cr}{lf}]
Details
<DEV/MUT_xxx{cr} where:
xxx = ON or OFF
>DEV/MUT_xxx{cr}{lf}]
<DEV/MUT_{cr}
>DEV/MUT_yyy{cr}{lf}]
yyy = ON/OFF/COLD
8–21
MN/DT4579.IOM
Revision 1