31 Cooling fans (Two places)

To prevent instrument damage due to overheating, do not block airflow through the ventilation holes.

If the fan stops, the LCD panel displays alarm message.

Turn the instrument power off immediately, then contact your local Leader agent in this case.

32 ETHER connector

Control connector for 10BASE-T or 100BASE-TX.

33 USB connector

Factory use only. Leave this connector open.

34 REMOTE CONTROL connector CAUTION

Used to up/down and return operations for the preset value. Refer to Chapter 7 "REMOTE CONTROL."

35GPIB connector

GPIB interface connector.

36AC INPUT

AC power inlet. The accessory power coed should be used. The AC voltage range is 90 to 250 V.

Refer to Section 1.2.1, "Line Voltage and Fuse" for detail.

37FUSE CAUTION

The mains fuse is installed. Use only the fuse of correct type and rating for replacement. Refer to Section 1.2.1, "Line Voltage and Fuse" for detail.

38GND terminal

Grounding terminal connected to the chassis of this instrument

39Serial number plate

Instrument serial number. Provide this number when contacting us.

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