M470039-01 REV-F  Page  39 
 
input of the unit. Once RI is activated, it will  turn off the dc output. In order to re-activate the unit, the 
connection between common and RI pin needs to be open again, and it will  have 3 seconds delay. 
4.  External programming port. 
5.  Connector, GPIB/IEEE-488.2. 
6.  Connector, DB9 for RS232. 
7.  Connector, RJ45 for Ethernet interface (LAN). 
8.  Connector, USB. 
9.  Chassis / Line ground lug screw. 
10.  AC power inlet with external fuse holder.