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16
3.3.1
UNIT n: Unit n
Input unit indication, light on indicates that the current unit of the host is working. An erected row of
output ports is the scan terminal of the same port.
3.3.2
CH n: scan channel n
Scan channel connection indication, the red light indicates that this channel is connected to the high
voltage input of the unit input; the green light indicates this channel is connected to the current
feedback input of the unit input.
Note:
One output of the controller is a double-wire output.
If you need to implement the CK (Contact Check) function, you need to connect the two ends to two
different contact points on the same pin of the DUT, or can be connected to different pins connected
via small impedance.
If you do not need to implement the CK (Contact Check) function, the withstanding voltage
between the two wires of the same channel does not exceed 100V, please do not apply a high
voltage signal here to avoid danger.
Rear panel picture:
