User Manual
2-2 Connections 2400 Series SourceMeter
®
 User’s Manual 
Connection overview
WARNING To prevent electric shock, test connections must be configured 
such that the user cannot come in contact with conductors or 
any DUT that is in contact with the conductors. Safe installa
-
tion requires proper shields, barriers, and grounding to pre-
vent contact with conductors. Operator protection and safety 
are the responsibility of the person installing the product.
During power-up, voltage spikes may appear on the terminals 
of the SourceMeter. These voltage spikes could be at hazard
-
ous levels (42.4V peak) and could damage sensitive DUTs. 
Never touch external circuitry or the test leads when powering 
up the SourceMeter. It is good practice to always disconnect 
DUTs from the SourceMeter before powering up the SourceMe
-
ter.
Hazardous voltages may be present on the output and guard 
terminals. To prevent electrical shock that could cause injury 
or death. NEVER make or break connections to the SourceMe
-
ter while the unit is on. Power off the equipment from the front 
panel or disconnect the main power cord from the rear of the 
SourceMeter before handling cables connected to the outputs. 
Putting the equipment into standby mode does not guarantee 
the outputs are not powered if a hardware or software fault 
occurs.
Front/rear terminals selection
The OUTPUT (HI and LO) and SENSE (HI and LO) terminals are accessible from 
both the front and rear panels. The GUARD, GUARD SENSE, and EARTH (chas-
sis ground) terminals are only accessible from the rear panel.
Front panel terminals selection
The FRONT/REAR TERMINALS key is used to control which set of terminals is 
connected to the SourceMeter. Pressing this key toggles the SourceMeter con-
nections between the front and rear terminals. When the REAR annunciator is on, 
the rear terminals are connected to the SourceMeter. When REAR is off, the front 
terminals are selected.
NOTE When the FRONT/REAR TERMINALS key is pressed, the OUTPUT will 
turn OFF.










