4  Operating the Power Supply Remotely 
54  Series N8700 User’s Guide 
Connecting to the Interfaces 
The Keysight N8700 power supplies support remote interface 
communication using a choice of three interfaces: GPIB, USB, and 
LAN. All three interfaces are live at power-on. 
GPIB Interface 
NOTE 
For detailed information about GPIB interface connections, refer to the Keysight 
Technologies USB/LAN/GPIB Interfaces Connectivity Guide, located on the 
Automation-Ready CD-ROM that is shipped with your product. 
The following steps will help you quickly get started connecting your 
instrument to the General Purpose Interface Bus (GPIB). The 
following figure illustrates a typical GPIB interface system. 
1  If you have not already done so, install the Keysight IO Libraries 
Suite from the Automation-Ready CD-ROM that is shipped with 
your product. 
2  If you do not have a GPIB interface card installed on your 
computer, turn off your computer and install the GPIB card. 
3  Connect your instrument to the GPIB interface card using a GPIB 
interface cable. 
4  Use the Connection Expert utility of the Keysight IO Libraries 
Suite to configure the installed GPIB interface card’s parameters. 
5  The power supply is shipped with its GPIB address set to 5. Use 
the front panel menu if you need to change the GPIB address. 
a  Press and hold the OCP/488 button for about three seconds. 
The DC VOLTS display will show the present GPIB address.  
b  To change the GPIB address, turn the voltage knob until the 
desired GPIB address appears in the display. Valid GPIB 
addresses are in the range of 0 to 30. 
6  You can now use Interactive IO within the Connection Expert to 
communicate with your instrument, or you can program your 
instrument using the various programming environments.