ST2883 Series Operation Manual Chapter 9 Handler interface
9-5
9.3 Jumper setup on HANDLER interface
There are two jumpers on the Handler interface board. The two jumpers are used to select the internal voltage
source for external voltage source for the output signal and input signal. Their locations are shown in figure 9-3.
Figure 9-3 Jumper position on the Handler interface board
As above figure shown, when shipped from the factory, both jumpers are set at the upper position. If you want to
apply the internal power supply, you must set both jumpers at the lower position. Likewise, when using external
power supply to substitute the internal power supply, the two jumpers should be set at the same time.
Warning: Make sure the instrument has been powered off and the plug has been removed before opening
the case to alter jumper setting.
