Remote Operation 
 
5-24  M370430-01  Rev B 
Selecting the Appropriate Communication Port 
Five ports are available for remote digital programming and readback: 
  RS-232 
  RS-485 
  USB 
  GPIB (optional) 
  ENET (optional) 
To select a communication port: 
1.  Turn the 9-position mode control to PGM.  
 is displayed in the output voltage display. 
2.  Turn the rotary Adjust/Enter control to select one of the 
communication ports: 232, 485, gPI b, USb, LAn. 
LOCL LOC is also an available option which lets you lock the front 
panel to prevent the settings from being changed. 
Important: The remote interface that was previously configured when the 
local lock setting was activated will still be available for remote control while 
the front panel is locked. 
 
Data Rate Setting (Kbps) 
The data rate setting is available for RS-232 and RS-485 protocols only. 
Five optional rates are possible: 1.2, 2.4, 4.8, 9.6 (default), 19.2, 38.4, 
and 57.6 kilo bits per second (Kbps). 
To select the desired rate: 
1.  Turn the 9-position mode control to PGM.  
 is displayed in the output voltage display. 
2.  Turn the rotary Adjust/Enter control to select  (RS-232) 
or  (RS-485) communication ports. 
3.  Press the rotary Adjust/Enter control. 
 is displayed on the output voltage display and the currently 
set data rate is displayed on the output current display. 
4.  Turn the rotary Adjust/Enter control to select the desired data 
rate. 
5.  Press enter to commit the new data rate. 
The multichannel address setting will now be configured.