ITech IT7900P Series User Manual page 117

⚫
Before connecting the cables, ensure that the instrument power switch is off
and the main switch of the AC power input (distribution box) is off.
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Before connecting 3 single instruments to the AC distribution box, ensure
that the distribution box capacity is sufficient. Refer to the corresponding
specifications for the AC input parameters of a single instrument.
For 3U models, the same model can be connected in parallel. Taking three 3U
single instruments (with operation panel) as an example, the steps for parallel
operation are as follows.
2. Ensure that the power switches of the three units and the main switch of the
AC power distribution box are off.
3. Refer wiring connection diagram to connect three units.
For long distance testing requirements:
For short distance test requirements:
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System-Related Functions
115