PSU Series Programming Manual 
126 
:SYSTem:COMMunicate:SERial:MULTidrop 
:CONTrol 
 
Queries the Multi-Drop Control state. 
:SYSTem:COMMunicate:USB:FRONt:STATe 
 
Queries the front panel USB-A port state. 
:SYSTem:COMMunicate:USB:FRONt:STATe? 
:SYSTem:COMMunicate:USB:REAR:MODE 
 
Sets or queries the speed of the rear panel USB B 
port.  
The setting will only be valid after the power has been 
cycled. 
:SYSTem:COMMunicate:USB:REAR:MODE 
{<NR1>|DISable|AUTO|FULL} 
:SYSTem:COMMunicate:USB:REAR:MODE?